ChemPlay vs Project Iris
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ChemPlay
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· ChemPlay是一款有趣的化学溶解性测试应用，旨在帮助用户巩固化学知识。它包括了一系列化合物的溶解性测试题目，让用户测试自己的酸碱盐知识。 · 功能特色： · 20题挑战：挑战自己在20个化合物的溶解性测试中获得高分！ · 学习化学：通过游戏学习化学知识，提高溶解性表的掌握程度。 · 简单易用：直观的界面设计，适合所有年龄段的用户使用。
Project Iris
This utility app offers a streamlined browsing experience with advanced engine capabilities. It allows for private browsing, history management, and customizable search engines, all optimized for accessibility and supporting multiple languages.
- State-of-the-art browsing engine
- Keyword and URL distinction
- Bookmark management
- Private browsing mode
- History recording
- Customizable search engine
- History and bookmark locking
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Thank you for choosing Iris. If you cannot find Iris, please search it on your Apple Watch. Iris can... - Use state-of-the-art browsing engine - Distinguish keywords & URL - Manage bookmarks - Browse with Private Mode - Record history - Sync data with iCloud - Customize search engine - Use a secondary search engine - Customize home and theme color - Lock history and bookmarks - Check images and videos - Handle multiple tabs - Customize long press search button action - Use archives and extensions - Download medias - Send feedback with Carina attaching datas - Optimizes for accessibility - Type with Cepheus or FlickType
Screenshots
Verdict
The clearest difference is update cadence: Project Iris at weekly against ChemPlay's every 12 months. On price, ads, in-app purchases 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
Both are free to download. ChemPlay sells 1 one-off in-app purchase and Project Iris sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
ChemPlay ships an update every 12 months, Project Iris weekly. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.
| Parameter | ChemPlay | Project Iris |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (14 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 14 — better |
| Update frequency | Every 12 months | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPad, Vision Pro — better | iPhone, Apple Watch |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 2 MB | 58 MB |
| Age rating | 4+ | 17+ |
| Developer | 亚军 胡 | 力 雷 |
In-app purchases
ChemPlay
- 请作者买本教辅书$0.99
Project Iris
- Iris Vision$3.99
