progressive web apps ios

progressive web apps ios

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What is a PWA?

PWA stands for a progressive web app. this is often an app built from the online technologies we all know and love, like HTML, CSS, and JavaScript. Still, with a feel and functionality that rivals an actual native app. because of a few smart additions, you’ll turn almost any website into a progressive web app. this suggests that you can build a PWA rather quickly about a native app that’s pretty difficult to develop. Plus, you’ll offer all the features of native apps, like push notifications, offline support, and far more.

Many sites you discover online are progressive web app. Take as an example. If you visit that site on your smartphone, you’ll install it on your home screen. Now, on opening the saved Twitter site, you’ll notice that it’s and performs a bit like a native app. There’s no browser window or anything. There’s no difference in running it from an iPhone or an Android smartphone. Log in, and you’re good to travel. That’s a serious advantage of building your web app with a PWA in mind.

PWAs are gaining popularity. Many big sites are PWAs, like,,, and are installable on your home screen and offer a comparable experience to their native apps.

Does Apple Even Want Progressive Web Apps?

Many wonders if Apple wants PWAs to succeed or maybe work on iOS and MacOS. the rationale is progressive web apps compete with the AppStore.

The reality is Apple is quite willing to ascertain apps leave the shop and migrate to the online. They’re doing an excellent job themselves of running off many brands from the AppStore because it is.

Recently they denied’s app update because they weren’t using Apple’s in-app payment services. Instead, BaseCamp chose to use traditional merchant card services that charge 1-3% or 10% of Apple’s 30% fee.

Spotify has filed a lawsuit against Apple’s app store practices.

And then there’s the Epic battle with Apple over Fortnite.

If you do not believe me, you ought to see app owners contacting me to make a PWA for them. Some because their apps were removed. Others because they fear removal or rejection.

By removing apps and making others’ uncomfortable,’ they’re recommending using the online.

Seriously, they even use that language:

“if the App Store model and guidelines aren’t best for your app or business idea that’s okay, we offer Safari for an excellent web experience too.”

Clients have confirmed these Apple notices suggesting they move online.

So does Apple care about AppStore success? Yes, they do, but it’s not their priority; selling hardware at massive margins is the goal.

Sure the AppStore generates billions in sales annually, and yes, Apple takes a 30% cut. But as I highlighted within the Spotify vs. Apple article, much of that revenue is from a couple of apps.

I have created a litmus test to determine if your app should be native or a progressive web app: Does your app sell iPhones?

If the solution is not any, don’t waste some time and money on a native app. Apple doesn’t want you anyway.

But if you would like to take a position of $5000-50000 on an iOS app to ascertain if they’re going to accept, it’s my guest. I’m still here to form it available to everyone for fewer .

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Current PWA Implementations Have More Success on iOS than Before

When you take the time and make a correct progressive web app, you’re taking the time to make a far better user experience. This better UX ultimately means your customers are happier together with your online experience and, in fact, engage at higher rates.

Even with platform limitations, a consistent message from brands using PWA is their iOS engagement numbers increase.

It is a kind of real-world application of the ‘a flood tide raises all ships’ saying.

There are many PWA examples out there reporting across-the-board improvements to key performance indicators.

AliExpress saw an 82% increase in iOS conversions; the Washington Post saw nearly a 5x increase in user engagement, and MyNet saw a 19% page view increase on iOS to call a couple of sites and stats.

Even with the present limitations making a far better web user experience means you’ll reap the rewards on iOS. And eventually, Apple will catch up to the competition. A minimum of to where Chrome, Edge, and other browsers are today. When those missing features illuminate, your customers will experience them.

Best Examples of Progressive Web Apps (PWAs) in 2021

1. Starbucks

Aiming to provide accessible, user-friendly online ordering to all or any of their customers, Starbucks built a PWA of the ordering system online, delivering a similar experience to their existing native app. In other words, with its capability to run in offline mode, Starbucks PWA allows its customers to browse the menu, customize their orders, and add items to their carts – all without consistent access to the web. In addition, once online, they will view location-specific pricing and place their food and drinks order.

As most of the PWA is out there without a network connection, it’s great for on-the-go customers who may enter and out of connectivity throughout the day or emerging markets like rural communities where the link is a smaller amount reliable. By launching the new ordering PWA, Starbucks has already seen significant results. The PWA is 99.84% smaller than Starbucks’ existing iOS app, making the online app a favorite amongst its users. As a result, they doubled the number of web users who place orders every day, with desktop users now ordering at about an equivalent rate as mobile users.

2. BMW

As a pioneering brand within the car industry, BMW proves that they aren’t recoiling from new technologies with their cars or their website. To enhance the customer experience, the brand sought to supply quality and interesting content, which reflects their values.

The new BMW’s PWA delivers users a ‘wow’ experience. the primary thing that anyone would notice is the high-resolution images and videos, and therefore the web loads just about instantly with all of those features (4X times faster than the old site). Their reports also showed other impressive numbers following the establishment of the PWA: 4X increase in people clicking from the homepage to a BMW sales site; 50% growth in mobile users and 49% more site visits compared to the old site.


As the world’s hottest social magazine, Flipboard allows readers to stay up with all topics, news, and events they care about from one single place. Supported the user’s interest, the platform brings news and stories from around the world together during a magazine format. In addition, Flipboard users can follow their favorite sources and save stories, images, and videos into their Flipboard magazines to read later or share with others.

Flipboard is one of the simplest samples of PWA for online news. The PWA minimizes data usage to deliver a smooth and fast browsing experience during a beautiful interface. Until the launch of their PWA, Flipboard was a mobile app, which only presents on mobile devices. Hence, the PWA allows Flipboard to deliver a similar experience to their fully-featured native app online, making it available for desktop users.

4.2048 Game

The puzzle game 2048 was originally released as a free app for Android & iOs in 2014. It immediately became a viral hit with quite 4 million users in but every week after launch. the sport is straightforward and addictive. Described as “Candy Crush for math geeks,” its goal is to mix blocks with an equivalent number to ultimately total 2048. a politician PWA version is formed available at so players can get instant access from any browser. With smooth transitions and a full-screen view, it’s hard to inform the PWA aside from its native app counterpart. Plus, the 2048 PWA are often fully played in offline mode.


As the company expands to new markets, its Uber web was rebuilt from scratch as a PWA to supply a comparable booking experience to the native mobile app. The Uber PWA is meant to form car booking viable on low-speed, 2G networks. Built around the concept of an app-like experience accessible on all modern browsers, The PWA is great for riders on low-end devices, which can not be compatible with the native Uber app.

By bringing the native experience during a super-lightweight web app, Uber has enabled quick ride requests no matter location, network speed, and device. The core app of the only 50kB allows it to load within 3 seconds on 2G networks.

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With attention to international growth, Pinterest started its new mobile web experience from the bottom up as a PWA. The social network found that just one of their mobile users convert into sign-ups, logins, or app installs, thanks to poor performance on mobile.

Onto realizing that the chance to enhance the conversion was huge so that they rebuilt the mobile web using PWA technology, which led to many positive results: Time spent is up by 40% compared to the previous mobile web, user-generated ad revenue is up 44%, and core engagements are up 60%


Your favorite music player is now PWA-powered. Thanks to some disagreement between Spotify and Apple regarding Apple’s 30% app store commission, Spotify found it a timely opportunity to start out developing a PWA version of their app—as many other big brands have. Compared to its native-app counterpart, the PWA version is considerably faster with its own unique and adaptive UI that changes its background because the user progresses through the app. Like many other PWAs, users also are prompted to feature Spotify PWA to their home screen, making Spotify PWA more accessible and on-par with its different versions.


The site may be a great example of PWA. India’s leading travel company has about eight million visitors to its location every month, with mobile traffic accounting for two-thirds. As a result, mobile became the foremost preferred channel for booking among MakeMyTrip customers; they developed a PWA that led to a quick, reliable, and polished mobile web experience.

The new PWA experience has tripled its conversion rate by reducing page-load times by 38%. Compared with their previous mobile site, MakeMyTrip drove a 160% increase in user sessions and lowered the bounce rate by 20%.

iOS Progressive Web App Cache Capacity

The most important progressive web application limitation on iOS is the small cache capacity quota Apple imposes, ~50MB.

Again this is often not a deal-breaker for many internet sites. However, if you would like 50MB to cache your site’s assets, you should revisit your application’s code and caching logic.

I am performing on a couple of projects immediately that get to cache quite 50MB, but they have to cache audio and video files. For these applications, the media files are often checked out more as data than an addressable network resource, which service worker cache is designed.

In these cases, the audio and video files are often cached using blob storage in IndexedDB, a browser database with far more available capacity. The IndexedDB ability on iOS seems almost unlimited within the tests I have run, up to 1GB.

Let me put this in perspective; I have built several large internet sites with 100s of unique places and support assets and cached everything (excluding images) in localStorage. localStorage is usually limited to 5MB, so you get the thought.

IndexedDB access is out there within your service worker, where localStorage isn’t. This means you’ll intercept the network request to the more ‘binary’ responses and cache them in IDB within the service worker, and type build a special caching abstraction layer to manage their caching easier across different browsers.

Of course, even with Android and other mobile devices, disc space may be a premium. This is often why Apple chose to limit service worker cache to 50MB. A 32GB phone doesn’t have much storage once you think about the OS and other mandatory platform apps.

So, don’t expect to be ready to cache a high definition, large screen formatted movie. But audiobooks, podcasts, and properly formatted videos should haven’t any problem being cached on iOS.

So don’t let the shortage of service worker cache capacity stop you from employing a Progressive Web App.

Does iOS Support Push Notifications?

At now in time, Apple’s iPhone and iPads don’t support native push notifications. Instead, you’ll find gracefully fallback to SMS notifications. Both provide high engagement levels with minimal costs.

I am asked about the other web platform feature; a minimum of it feels that way.

Even though I buy frustrated with Safari’s limitations, it does support the latest web APIs needed to form great user experiences.

This doesn’t mean clients and potential clients do not ask me if they will do some pretty crazy stuff. Most of the requests are often not even possible with a native app. Others violate Apple, Google, and Microsoft’s terms, which suggests native apps are rejected, and therefore the stakeholders hope they will use the online to realize their goals.

Background Sync on iOS

As for background sync, this is often a bummer. However, this is often not supported by browsers outside the Chromium ecosystem at the instant.

You can create your synchronization support by leveraging offline detection and IndexedDB. the biggest drawback here is that the user will get to open your web app to figure out your fallback. You can’t trigger the service worker to only execute within the background when the network returns, which is the main feature of the service worker background sync API.

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User Questions:

1.Does iOS support progressive Web Apps?

With iOS 11.3, Apple has silently added support for the basic set of latest technologies behind the thought of “Progressive Web Apps” (PWAs). … This App may be a PWA, and it appears full screen -offline-capable- on an iPad. It also appears within the iPad dock as the other native app from the App Store.

2.Is Progressive Web Apps the Future?

The quick answer is: Yes, we expect PWAs are the longer term. PWAs could and will eventually replace most native apps. … to find out more about PWAs, their benefits, and the way to create one, download our Guide to Progressive Web Apps or reach our team.

3.How do I install a progressive web app on iOS?

Installing a PWA on iOS

Navigate to the website you would like to feature as a PWA in Safari. Then tap the ‘Share’ button, scroll down and tap ‘Add to Home Screen. ‘Enter the name for the app, then tap add. The PWA will show abreast of your home screen sort of a native iOS app

4.Progressive Web Apps on iOS– Safari now supports Service Workers on new iOS 11.3

Progressive Web Apps on iOS 🚀 – Safari now supports Service Workers on new iOS 11.3 from PWA

5.Any thoughts about the progressive web apps?

Any thoughts about the progressive web apps? from androiddev