Comparison

Developer vs ArtPDF

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

Head to head
About

Developer

Features
Read full description

A professional film developing timer designed for analog photography lovers. With a community-driven database of film recipes and development parameters, hand-developing film has never been easier. Whether you’re a beginner or a darkroom expert, Developer Timer helps you find the perfect process for your film. 1. Hundreds of film development recipes included 2. Fully customizable process steps, temperature, and chemistry 3. Precise timing and multi-step reminders 4. Supports Apple Watch – check your process at a glance 5. Supports Apple Vision Pro – immersive darkroom experience 6. Share and explore film recipes with a global community Developer Timer — making every development precise and elegant.

About

ArtPDF

Features
Read full description

ArtPDF 精选呈现艺术家作品集,是一个专为藏家设计的艺术家作品搜索平台。通过ArtPDF,用户可以轻松浏览和发现来自世界各地的优秀艺术家及其作品。平台不仅提供了高质量的图像和详细的艺术家信息,还为用户提供了便捷的收藏和分享功能。

Screenshots

Developer4 screens
ArtPDF4 screens

Verdict

The call

The clearest difference is in-app purchases: ArtPDF at none against Developer's 1. ArtPDF also leads on iOS requirement (12.0 vs 15.6). On price, update cadence, ads 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

Both are free to download. Developer sells 1 one-off in-app purchase. ArtPDF asks for nothing beyond the download.

UpkeepUpdate frequency

Developer ships an update every 3 weeks, ArtPDF every 2 weeks. The most recent releases landed on September 18, 2026 and September 28, 2026 respectively.

Scorecard2 real differences · 4 level
Developer versus ArtPDF: the parameters behind the verdict, then further details
ParameterDeveloperArtPDF
PriceFreeFree
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.612.0 — better
Further details — not scored
Size16 MB39 MB
Age rating4+12+
Developer雯曦 梁Shanghai Xijing Art Co., Ltd.

In-app purchases

1 purchases

Developer

One-time1
  • 专业版$5.99
None

ArtPDF

No in-app purchases

Questions

Is Developer free?
Developer is free to download, with in-app purchases available.
Is ArtPDF free?
ArtPDF is free to download, with no in-app purchases.
Do Developer or ArtPDF have ads?
Neither Developer nor ArtPDF shows ads.
Which is updated more often, Developer or ArtPDF?
Developer ships an update every 3 weeks, and ArtPDF every 2 weeks. Most recently, Developer was updated on September 18, 2026 and ArtPDF on September 28, 2026.

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