Comparison

Developer Laboratory vs Gradient+

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

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.

Highlights
  • Create linear gradients
  • Create radial gradients
  • Create angular gradients
  • Create elliptical gradients
  • Use 2 or 3 colors
  • Integrate into SwiftUI projects
Features
Read full description

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

Developer Laboratory3 screens
Gradient+4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Developer Laboratory ships an update monthly, Gradient+ every 37 months. The most recent releases landed on September 28, 2026 and September 29, 2026 respectively.

Scorecard7 real differences · 3 level
Developer Laboratory versus Gradient+: the parameters behind the verdict, then further details
ParameterDeveloper LaboratoryGradient+
Price$0.99Free — better
Rating4.7 (6 ratings)5.0 (6 ratings) — better
Positive reviews60.0% of reviews100.0% of reviews — better
Number of ratings66
Update frequencyMonthly — betterEvery 37 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better16.6
Further details — not scored
Size9 MB2 MB
Age rating4+4+
Developer恒盛 程Ankit Kumar

Customer experience

Developer Laboratory

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

Gradient+

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 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

Gradient+

No in-app purchases

Questions

Is Developer Laboratory free?
Developer Laboratory costs $0.99, and also offers in-app purchases.
Is Gradient+ free?
Gradient+ is free to download, with no in-app purchases.
Which has better reviews, Developer Laboratory or Gradient+?
Gradient+ is rated higher. Developer Laboratory averages 4.7 out of 5 from 6 ratings, while Gradient+ averages 5.0 from 6 ratings.
Do Developer Laboratory or Gradient+ have ads?
Neither Developer Laboratory nor Gradient+ shows ads.
Which is updated more often, Developer Laboratory or Gradient+?
Developer Laboratory ships an update monthly, and Gradient+ every 37 months. Most recently, Developer Laboratory was updated on September 28, 2026 and Gradient+ on September 29, 2026.

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