龙绘编程 vs The Wrong Formula
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
龙绘编程
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龙绘编程为青少儿学习编程提供一体化的内容。
The Wrong Formula
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A chalk-drawn physics game where wrong formulas break the universe. You get a pile of algebraic fragments. Drag them into the formula slot. Get it right — the stickman slides down the ramp cleanly, gravity behaves, springs bounce. Get it wrong — the universe collapses. Literally. The screen tears, particles scatter, and the stickman gets ripped in half by his own broken formula. The Wrong Formula doesn't teach you what the right answer is. It teaches you what the wrong answer looks like. When F = m × a becomes F = m + a, the units stop matching and the whole scene falls apart. You won't have to memorize why. You'll watch it happen. WHAT'S INSIDE • 60+ levels across four chapters • Sandbox mode — build your own scene, drop in any formula, see if it holds up • Workshop — save what you built and share it with a short text code (no server, no upload) • Cosmetic shop — earn points from levels, unlock skins, backgrounds, and death effects • Two-tier hints: a nudge, or the full derivation • Bilingual English / 简体中文, adjustable font size WHAT'S NOT INSIDE • No in-app purchases • No ads • No network requests (put it in airplane mode from the install screen) • No accounts, no leaderboards, no notifications, no social features • No data collection of any kind — we cannot see your progress, and neither can anyone else DESIGNED FOR CLASSROOMS Rated 4+. COPPA-compliant by design (we collect nothing). The share-code system means a whole classroom can exchange sandbox puzzles without any of them signing in anywhere. A NOTE ON THE LOOK Chalk font. Dark blackboard. Hand-drawn tokens. This app is meant to look like your physics teacher's whiteboard, not a Silicon Valley product. If that appeals to you, you're the audience. https://dr-16.github.io/wrongformula-legal/ https://dr-16.github.io/wrongformula-legal/ Made by YAO Design Lab. Contact: danielrong16@gmail.com
Screenshots
Verdict
The clearest difference is in-app purchases: The Wrong Formula at none against 龙绘编程's 3. 龙绘编程's advantage is iOS requirement (9.0 vs 17.0). On price, 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. 龙绘编程 sells 3 one-off in-app purchases. The Wrong Formula asks for nothing beyond the download.
| Parameter | 龙绘编程 | The Wrong Formula |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (10 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Every 32 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 327 MB | 50 MB |
| Age rating | 9+ | 4+ |
| Developer | Beijing Reado Technology Co., Ltd. | MIN GU |
In-app purchases
龙绘编程
- 启蒙系列课程$59.99
- 高级系列课程$89.99
- 平台全部课程和素材$129.99
The Wrong Formula
No in-app purchases









