Developer Laboratory vs Gradient+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- APP icon creation
- Imitation of WeChat Moments
- Web page loading
- Custom UI components
- QR code scanning
- Facial tracking
- Database operations
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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.
Gradient+
Easily generate beautiful linear, radial, angular, and elliptical gradients with 2 or 3 colors. These custom gradients are perfect for integration into your SwiftUI projects.
- Create linear gradients
- Create radial gradients
- Create angular gradients
- Create elliptical gradients
- Use 2 or 3 colors
- Integrate into SwiftUI projects
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A tool to quickly create stunning linear, radial, angular and elliptical gradients using 2 or 3 colors, which can then be used in your own SwiftUI projects.
Screenshots
Verdict
The clearest difference is price: Gradient+ at Free against Developer Laboratory's $0.99. Gradient+ also leads on review sentiment (100% vs 60%) and in-app purchases (none vs 8). Developer Laboratory's advantage is update cadence (monthly vs every 37 months) and device support (3 vs 1). On ratings volume, ads and monetization model 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
Gradient+ is free to download; Developer Laboratory costs $0.99 up front. Developer Laboratory sells 8 one-off in-app purchases. Gradient+ asks for nothing beyond the download.
Gradient+ holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 6 and 6 respectively. Written reviews point the same way: 60% of Developer Laboratory's written reviews are positive against 100% of Gradient+'s.
Developer Laboratory ships an update monthly, Gradient+ every 37 months. The most recent releases landed on September 28, 2026 and September 29, 2026 respectively.
| Parameter | Developer Laboratory | Gradient+ |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.7 (6 ratings) | 5.0 (6 ratings) — better |
| Positive reviews | 60.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 6 | 6 |
| Update frequency | Monthly — better | Every 37 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 9 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | 恒盛 程 | Ankit Kumar |
Customer experience
Developer Laboratory
Gradient+
In-app purchases
Developer Laboratory
- 0 ice cola$0.99
- 1 ice cola$0.99
- A sip of iced cola$0.99
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- 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
Gradient+
No in-app purchases
Questions
Is Developer Laboratory free?
Is Gradient+ free?
Which has better reviews, Developer Laboratory or Gradient+?
Do Developer Laboratory or Gradient+ have ads?
Which is updated more often, Developer Laboratory or Gradient+?
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