阅燃 vs Delta
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
阅燃
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阅燃将纸质教材中静止的知识升级为生动有趣的数字内容，采用AR（增强现实）技术将平面教材改造成为神奇的魔法书。 阅燃集成了精心解读后制作成的3D模型、视频、动画、图片等教学素材，你只需要在图书馆中打开阅燃，通过缩放、旋转、平移操作就能够掌握书本上乏味、难懂的专业原理。 阅燃，让专业学科的教与学变得更简单。
Delta
This app helps users solve math problems by creating and executing algorithms. It offers tools for homework checking, test preparation, and creating custom quizzes. Users can save, share, and download algorithms via the cloud.
- Create algorithms with natural language
- Execute algorithms to solve math problems
- Create and download custom quizzes
- Save and share algorithms
- Cloud synchronization for algorithms
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With Delta: Algorithms, quickly solve any math problem with an algorithm. Save time checking your homework or studying for a test, it’s free! AVAILABLE FEATURES - Create algorithms with an easy and natural language in the editor - Quickly execute algorithms to solve any math problem - Create (or download) a quiz to train yourself - Save your algorithms on your device, share then on the Cloud, or download ready-to-use algorithms shared by other people EXAMPLE OF USAGE - Create an automated calculator for well known theorems or equations - Create a quiz to train solving equations CLOUD SUBSCRIPTION A Cloud subscription is available; It allows you to synchronize your algorithms across your devices and share them with other people on the Cloud. Application developed by Nathan Fallet © 2020 Groupe MINASTE
Screenshots
Verdict
The clearest difference is in-app purchases: 阅燃 at none against Delta's 3. 阅燃 also leads on iOS requirement (11.0 vs 13.0). 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
Both are free to download. Delta sells 3 one-off in-app purchases. 阅燃 asks for nothing beyond the download.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 17, 2026 and August 19, 2026 respectively.
| Parameter | 阅燃 | Delta |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.1 (7 ratings) — better |
| Positive reviews | — | 66.7% of reviews |
| Number of ratings | — | 7 — better |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 101 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Chengdu Zhixin Technology Co,.Ltd. | Groupe MINASTE |
In-app purchases
阅燃
No in-app purchases
Delta
- Donation 1$0.99
- Donation 2$2.99
- Donation 3$4.99
