i vs THU
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
i
This app is an interpreted programming language designed for educational purposes, focusing on functional programming capabilities. It allows users to test calculations, recursion, and array usage, serving as a teaching tool rather than for developing full applications.
- Functional programming
- Global and local variables
- Polish notation calculations
- Recursive testing
- Array usage
- Interpreted language
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LOGO was created in 1967 for educational use, is a computer programming language with functional programming capability. This version of LOGO is an interpreted language, but isn't a lite version. Functional programming with global and local variables is implemented. You can test calculations with polish notation, test recursively, and use arrays. LOGO is not a language for programming a real application, instead it is a teaching language.
THU
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Unlock Your German Potential with THU-Deutsch! Discover the smart way to learn German with THU-Deutsch. While our app is specifically designed for Tunghai University (THU) students in Taiwan, it also caters to German learners globally. Whether you're starting from scratch or aiming to enhance your proficiency, THU-Deutsch provides a rich array of resources tailored for levels A1.1 through A2.1. Why Choose THU-Deutsch? * Tailored Learning: Specifically designed for THU students, providing direct access to course information, teacher contacts, and more. * Rich Study Resources for anyone who wants to master German: Dive into a wealth of materials including audio/video content, literature, and essential German learning links. * Practical Vocabulary Training: Master German with bilingual vocabulary cards featuring conversational examples and text-to-speech capabilities for perfect pronunciation. * Dynamic Quizzes: Test your skills with customizable 5-minute quizzes in both text and audio formats to enhance reading and listening comprehension. * Progress Tracking: Review your learning achievements, see where you can improve, and share your progress with friends or teachers. Privacy Focused: THU-Deutsch respects your privacy. We do not collect personal data, ensuring your learning experience remains private and safe.
Screenshots
Verdict
The clearest difference is price: THU at Free against i's $4.99. THU also leads on update cadence (every 3 weeks vs every 7 months). i's advantage is iOS requirement (13.0 vs 16.0). On 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
THU is free to download; i costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
i ships an update every 7 months, THU every 3 weeks. The most recent releases landed on October 21, 2026 and October 3, 2026 respectively.
| Parameter | i | THU |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 81.3% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 7 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPad, Mac | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 6 MB | 6 MB |
| Age rating | 4+ | 12+ |
| Developer | CROMBEZ Emmanuel | Manfred Sablotny |
In-app purchases
i
No in-app purchases
THU
No in-app purchases









