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Emerge Tools Profile picture
@emergetools
Mar 12, 2024 • 3 tweets • 2 min read • Read on X
The more apps we look at, the more common this problem seems

Many apps are putting file paths for images & icons, which VoiceOver will pronounce as "slash" or "underscore"

Here's an example we found in the @AlaskaAir app (sound on) + more examples 👇
Here's the annotated Preview for the video above + a handful of other Previews w/ the same issue

We used our accessibility screenshots and an AI to surface problems. For Alaska, there are 20+ Previews that use file paths in VOPreview with 'spotsaver_logo' & 'modal_close_button' as VO
Preview with 'alert_schedulechange_icon' as VO
Preview with 'auro/interface/chevron-right' as VO
🧵 w/ more detail on how this works

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More from @emergetools

Emerge Tools Profile picture
May 2
Ok, time for a bit of a rabbit hole

...or should we say... Deere hole 🤦

🧵 Looking through the @JohnDeere apps. (Pepe Silvia warning...iykyk)

p.s. l10n = localization
Some context - we were poking around our localization data and John Deere's "TractorPlus" & "Ops Center" jumped out

🚜 TractorPlus is 412 MB - 115 MB (32%) is l10n

⚙️ Ops Center is 276 MB - 114 MB (42%) is l10n

So why did this jump out?
Firstly, apps like FedEx (160 MB l10n) or Garmin Connect (90 MB) inefficiently use localizations

@Tinder recently wrote how they used Emerge to reduce size of l10n by 95%


@Airbnb did a similar optimization - we'll link to a few 🧵s at the bottommedium.com/tinder/how-the…
Read 13 tweets
Emerge Tools Profile picture
Apr 14
ask and you shall receive 🫡

🧵 figuring out why @telepass is almost half a GB Image
For those who are unfamiliar with it, Telepass is an electronic toll collection system used primarily in Italy and other parts of Europe. Here's the general breakdown

It's a flutter app 🪽
Total install size - 457 MB
Frameworks - 417 MB 🫨
Main app target - 25 MB Image
91% of install size is due to frameworks, 293 of them to be exact

There are a number of reasons that apps would have so many frameworks, but usually it's to support complex functionality in the app, or to make the app more modular and independent for teams working in parallel
Read 9 tweets
Emerge Tools Profile picture
Mar 25
What app has added the most number of dynamic frameworks in the last 3 months?

Hint: it's an old friend of ours 🤖
It's @EufyOfficial, who we wrote about a few months ago

They've added a bunch of new frameworks, but its not just that they've added a lot that's interesting, its *what* they've been adding 👀 Image
Of the new frameworks, they've added~20 RN frameworks and a handful of Flutter frameworks

Not ideal to keep adding both RN & Flutter 🤔 Image
Image
Read 7 tweets
Emerge Tools Profile picture
Mar 24
When we tweet about RN apps that have room for improvement, we often used the General Motor apps as an example

WELL NO MORE 👏👏👏

🧵 How General Motors shrunk app size by ~70% Image
We wrote a deep dive on the four GM apps roughly a year ago

In it, we detailed how they could reduce EACH app by ~200 MB
The apps went above that, reducing app size by ~300 MB

The main optimization came from renivubg TardisHybridContainer, which is where the vast majority of bloat came from in each app. Basically this was a mess of a dynamic framework w/ inefficient assets + a large jsbundle
Read 7 tweets
Emerge Tools Profile picture
Mar 18
What's truly wild here is that at the beginning of 2024, the T-Life app was 37.3 MB

It's now at 475 MB

🧵 How to 10x your app size Image
Image
General breakdown

Dynamic Frameworks: 195 MB
Main app binary: 159 MB
Asset catalog: 69 MB

fwiw, each of those are bigger than the entire app was ~14 months ago 🕵 Image
basically this is what T-Life did over the last year

The app used to have a few UI & Games bundles + a slim binary and that was it

Now it's largest dynamic framework (AzureCommunicationCalling) is bigger than the entire app used to be at 65 MB
Read 9 tweets
Emerge Tools Profile picture
Feb 6
Got a few requests for this!

Let's break down the @binance crypto app 💰 Image
So there's two versions of the app we're looking at, the US version and another version shipped under "Binance Switzerland"

From what we saw, the US app is only for the US, and every other country gets the app from Binance Switzerland, probably due to different regulations Image
Image
🇺🇸 US version weighs in at 303 MB
Main app target - 98 MB
Plugins - 94 MB 👀 we'll come back to this one
Frameworks - 55 MB Image
Read 16 tweets

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