Comparison

Developer Laboratory vs Mottie

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Developer Laboratory

This app provides a collection of example code and UI components for iOS developers. It demonstrates various functionalities like app icon creation, image viewing, web page loading, and custom controls. Access the source code to learn implementation details.

Highlights
  • APP icon creation
  • Imitation of WeChat Moments
  • Web page loading
  • Custom UI components
  • QR code scanning
  • Facial tracking
  • Database operations
Features
Read full description

iOS Technical Sharing (APP icon creation, imitation of WeChat Moments, imitation of WeChat image viewer, preventing @mentions on Sina Weibo, imitation of Alipay password prompt, imitation of Post Circle, tags, JS interaction + WK, loading web pages, adaptive cell height, embedding video player in TableView to prevent lag, custom beautiful popups, address selection, time selection, color selection, custom navigation control, carousel, QR code scanning, facial tracking, custom camera, ID card photo capture, iOS media player, AVPlayer encapsulation, dropdown selection popup, Snake game, marquee, adaptive height for TableView, native image download caching, folder operations, database operations, third-party login, sharing, payment, Apple installation agreement, data transfer between apps, acknowledgments for support) https://github.com/HansenCCC/YPLaboratory YPLaboratory is the source code for this project. If you want to see how it's implemented, you can click to view the source code. https://github.com/HansenCCC/YPUIKit-ObjC YPUIKit-ObjC is the framework for this project, providing many out-of-the-box functionalities. It includes in-app purchases, subscriptions, prompt dialogs, app info, user agent retrieval, device info, unique identifiers (persistent even after deletion), badges, useful buttons, common categories, MD5, hooks, regular expressions, hashed colors, image matrices, black-and-white images, base64 images, navigation settings, handy input fields, file management, floating draggable buttons, single-line input, multi-line input, loading dialogs, custom dialogs, local logs, marquee, waterfall flow, carousel, image preview, and more.

About

Mottie

Easily play, preview, and inspect Lottie animations on your iPhone and iPad. Supports various Lottie file formats and offers playback controls, background customization, and bounding box overlays for precise viewing. Includes a demo gallery to explore animation possibilities.

Highlights
  • Play dotLottie, Lottie JSON, and .lot files
  • Control playback speed
  • Choose looping modes
  • Change canvas background color
  • Toggle bounding box overlay
  • Built-in demo animation gallery
  • Quick Look support for Files app
Features
Read full description

Play, preview, and inspect Lottie animations on your iPhone and iPad with Mottie — the clean, fast viewer built for dotLottie and JSON. Open and enjoy dotLottie (.lottie), Lottie JSON, and .lot files with ease. Mottie gives you a distraction-free interface to watch your animations exactly how they'll look in your app, website, or product. New to Lottie? Explore the built-in gallery of demo animations to see what Lottie can do before you open your own files. KEY FEATURES: • Play dotLottie (.lottie), Lottie JSON, and .lot (JSON) files • Control playback speed to slow down or speed up any animation • Choose looping modes to watch animations repeat seamlessly • Change the canvas background color to preview animations against any backdrop • Toggle a bounding box overlay to check an animation's dimensions, framing, and alignment • Browse a gallery of demo animations to discover what Lottie animations are • Preview Lottie files directly from the Files app with Quick Look support • Thumbnails for .lottie and .lot files, so you can find the right animation at a glance Mottie is designed for simple, fast, and reliable Lottie playback. Download it and bring your animations to life.

Screenshots

Developer Laboratory3 screens
Mottie3 screens

Verdict

The call

The clearest difference is price: Mottie at Free against Developer Laboratory's $0.99. Mottie also leads on review sentiment (100% vs 60%) and in-app purchases (none vs 8). Developer Laboratory's advantage is iOS requirement (12.0 vs 17.6). On update cadence, ads, monetization model and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Mottie is free to download; Developer Laboratory costs $0.99 up front. Developer Laboratory sells 8 one-off in-app purchases. Mottie asks for nothing beyond the download.

UpkeepUpdate frequency

Developer Laboratory ships an update monthly, Mottie every 2 months. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

Scorecard4 real differences · 6 level
Developer Laboratory versus Mottie: the parameters behind the verdict, then further details
ParameterDeveloper LaboratoryMottie
Price$0.99Free — better
Rating4.7 (6 ratings) — better—
Positive reviews60.0% of reviews100.0% of reviews — better
Number of ratings6 — better—
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS12.0 — better17.6
Further details — not scored
Size9 MB5 MB
Age rating4+4+
Developer恒盛 程Firdavs Khaydarov

Customer experience

Developer Laboratory

All ratings6 ratings
Positive83.3%
Neutral16.7%
Negative0.0%
Written reviews5 reviews
Positive60.0%
Neutral40.0%
Negative0.0%

Mottie

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

8 purchases

Developer Laboratory

One-time8
  • 0 ice cola$0.99
  • 1 ice cola$0.99
  • A sip of iced cola$0.99
Show 5 more
  • 一元商品$0.99
  • 2 ice cola$1.99
  • 3 ice cola$2.99
  • 4.16 ice cola$3.99
  • 16.5 ice cola$14.99
None

Mottie

No in-app purchases

Questions

Is Developer Laboratory free?
Developer Laboratory costs $0.99, and also offers in-app purchases.
Is Mottie free?
Mottie is free to download, with no in-app purchases.
Do Developer Laboratory or Mottie have ads?
Neither Developer Laboratory nor Mottie shows ads.
Which is updated more often, Developer Laboratory or Mottie?
Developer Laboratory ships an update monthly, and Mottie every 2 months. Most recently, Developer Laboratory was updated on October 14, 2026 and Mottie on October 11, 2026.

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