Delta vs 务实
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
务实
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务实APP包括在线直播（直播预告、直播预约）、互动交流（在线提问、在线答疑、在线辅导、在线评论等）、公告信息发布、精品推荐（新课程推介、培训专家推介、新书推介、优秀课程/课件）、历史课堂（视频回放、音频回播）、培训计划（培训课程表、在线选课）、课程管理、听书管理、电子商城、电子支付、个人中心等模块。务实服务端包括：系统管理、用户管理、视频管理、课程管理、听书管理、电子商城管理、电子支付管理、个人中心管理、数据统计分析等模块。
Screenshots
Verdict
The clearest difference is device support: Delta at 4 against 务实's 2. 务实's advantage is iOS requirement (9.0 vs 13.0). On price, update cadence, ads and in-app purchases 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 and 务实 sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on August 19, 2026 and September 15, 2026 respectively.
| Parameter | Delta | 务实 |
|---|---|---|
| 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 | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPod |
| Requires iOS | 13.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Groupe MINASTE | 程欣 朱 |
In-app purchases
Delta
- Donation 1$0.99
- Donation 2$2.99
- Donation 3$4.99
务实
- 12务实币$1.99
- 25务实币$3.99
- 40务实币$5.99
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- 50务实币$7.99
