Forma vs Set Theory for Computing
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Forma
Master modern Rust programming on your mobile device with interactive lessons and instant feedback quizzes. Practice coding directly within the app using a built-in Rust Playground. Track your learning progress and achievements as you delve into key Rust concepts.
- Curated Rust lessons
- Instant-feedback quizzes
- Built-in Rust Playground
- Progress tracking (streak, XP, level)
- Guided learning path
- Forge-inspired UI with animations
- Dark theme for reading
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Forma is the fastest way to learn modern Rust on mobile. Work through curated lessons, test yourself with instant‑feedback quizzes, and try code in a built‑in Rust Playground without leaving the app. Track your streak, XP, and level as you master ownership, borrowing, lifetimes, pattern matching, and error handling. • Guided learning path: Foundations → Ownership & Moves → Borrowing & Lifetimes → Enums & Pattern Matching → Error Handling • Hands‑on coding: open the Rust Playground sheet to edit and run code samples from any lesson • Quizzes with explanations: prove understanding, see why answers are right or wrong • Progress tracker: streak counter, XP, rank‑up moments, and “continue where you left off” shortcuts • Beautiful forge‑inspired UI with Ferris mascot animations and dark theme tuned for long reading sessions • Privacy‑first: Firebase Auth + Firestore; no ads or tracking beyond analytics to improve the experience
Set Theory for Computing
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Set Theory for Computing is an independent study app for learners who want focused practice in the mathematical foundations behind programming, databases, algorithms, logic, and discrete math. Work through 160 questions across Fundamentals, Practical Skills, Common Pitfalls, and Advanced Concepts. Every question includes an explanation, so you can review why an answer is right and where your reasoning went off track. Features: - FSRS spaced-repetition intervals for efficient review - Weak-point heatmap to show topics that need attention - Daily challenge for consistent practice - Mock exams for timed review sessions - Offline practice for studying anywhere - No login required Use it for class review, interview prep, self-study, or brushing up on proofs, relations, functions, logic, and notation. Independent study app for Set Theory for Computing practice. Not affiliated with, endorsed by, or sponsored by any company, certification body, exam operator, or vendor. All trademarks belong to their respective owners. Practice offline, no login required.
Screenshots
Verdict
The clearest difference is iOS requirement: Forma at 13.0 against Set Theory for Computing's 15.1. 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Forma | Set Theory for Computing |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 55 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Oleksandr Chepkov | AFTW LLC |
In-app purchases
Forma
No in-app purchases
Set Theory for Computing
No in-app purchases





