Salah Steps vs Doomsday Trainer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Salah Steps
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Salah Steps is designed to help you learn how to pray Salah correctly and build confidence in your daily prayers. Salah is the daily Islamic prayer performed five times a day, forming a core part of a Muslim’s faith and practice. Whether you’re starting from the basics or looking to improve your understanding, the app guides you through the essential steps of prayer in a clear and simple way. Features: • Step-by-step guidance for Salah • Clear and easy-to-follow structure • Designed for focus and learning • Helpful for beginners and those improving their practice The app is free to use. Learn your prayer with clarity and confidence, one step at a time.
Doomsday Trainer
Master the Doomsday Algorithm to instantly calculate the day of the week for any historical date. Engage in timed challenges, compete against others, and practice various calculation methods to improve your speed and accuracy.
- Doomsday Algorithm calculation
- Timed streak challenges
- 1-on-1 live battles
- Multiple training methods
- Targeted component drills
- Step-by-step tutorial
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Master the Doomsday Algorithm — calculate the day of the week for any date in history in seconds. PLAY Build your streak and beat the clock. Every correct answer adds to your streak; one wrong answer ends it. Compete on the global leaderboard for Longest Streak and Fastest Average Speed. BATTLE Challenge a real opponent to a live 1-on-1 race. Five dates, fastest and most accurate player wins. Elo-based ranking tracks your competitive record. TRAIN Six methods to choose from: • Doomsday — the classic anchor-day approach • Odd + 11 — the Fong-Walters mental shortcut • The Wollin Shortcut — a memory-based system using vectorized doomsdays, the Square Knot Rule, and the Wollin Calamity Table (by u/Nillows) • Conway's Method — the original algorithm by John Conway • Mod 28 — reduce any year to under 28 before calculating • Custom Mode — pick your own date range, century, or decade DRILL Targeted practice for each component: months, centuries, years, mod 7 arithmetic, and the full Wollin Shortcut drill suite. TUTORIAL New to the algorithm? The built-in tutorial walks you through everything step by step.
Screenshots
Verdict
The clearest difference is rating: Salah Steps at 5.0 against Doomsday Trainer's 4.0. Doomsday Trainer's advantage is update cadence (every 5 days vs every 5 weeks). On price, ratings volume, 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. Neither carries in-app purchases, so what you see is what you pay.
Salah Steps holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
Salah Steps ships an update every 5 weeks, Doomsday Trainer every 5 days. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.
| Parameter | Salah Steps | Doomsday Trainer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.0 (2 ratings) |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 5 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 58 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | ISLAM STEPS LTD | Maarten Claessen |
In-app purchases
Salah Steps
No in-app purchases
Doomsday Trainer
No in-app purchases
Questions
Is Salah Steps free?
Is Doomsday Trainer free?
Which has better reviews, Salah Steps or Doomsday Trainer?
Do Salah Steps or Doomsday Trainer have ads?
Which is updated more often, Salah Steps or Doomsday Trainer?
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