Tiny Worlds vs RepBook
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tiny Worlds
This app transforms your daily walks into a growing virtual world. Earn new stages and unique keepsakes by reaching step goals, with no pressure or guilt for missed days. Explore diverse environments powered by your movement.
- Walk to power world growth
- Reach step goals to advance stages
- Collect unique finished worlds
- Explore diverse environments
- Sync collection across devices (subscription)
- Gentle, pressure-free design
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Every step grows a world. Tiny Worlds turns your daily walk into a living, little diorama. Your steps are the only fuel — walk, and a tiny world grows, one stage at a time, until it becomes something you keep forever. No streaks. No guilt. Nothing withers if you miss a day. Your worlds wait patiently for you. HOW IT WORKS • Walk — your steps power the world you're growing. That's the whole engine. • Grow — reach your daily step goal and your world climbs to its next stage. Six stages, from a bare seed to a thriving little world. • Keep — finished worlds become keepsakes in your collection, each saved with the steps you walked and the days you tended it. A CALM COLLECTION Every world you plant rolls its own unique look, so no two you grow are ever quite the same. Fill a quiet little museum of the places your walking has made — grouped and waiting, never demanding. WORLDS TO GROW Start with everyday worlds — rainforest, grassland, savanna — then discover exotic ones like coral reefs, wetlands, and volcanic lands. POWERED BY YOUR STEPS Tiny Worlds reads your step count from Apple Health (iPhone and Apple Watch) to grow your worlds — that's all it needs. Your health data stays on your device. GENTLE BY DESIGN Optional, quiet reminders when a world is ready to grow — and nothing more. No badges to chase, no leaderboards, no pressure. A calm companion, not a taskmaster. WORLD KEEPER An optional subscription for when you want more to discover: unlock the exotic worlds and keep your whole collection safe and synced across your devices. Every step grows a world. Start with the one you'll take next. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
RepBook
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RepBook Training is a straightforward workout tracker built for people who want to record their training without unnecessary social features or distractions. QUICKLY LOG WORKOUTS Track: • Exercises • Sets and repetitions • Weight • Bodyweight movements • Timed exercises • Cardio • Rest periods • Workout notes Start an empty workout, repeat a previous session, or use a premade template. TRACK YOUR PROGRESS Review your complete workout history and monitor: • Personal records • Maximum weight • Estimated one-repetition maximum • Training volume • Strength progress Compare your performance using Beginner, Intermediate, Advanced, Elite, and Legendary strength levels. (Subscription required) MUSCLE HEAT MAP (Subscription required) See which muscle groups you have trained with a color-coded muscle heat map. Quickly identify heavily trained areas, balanced training, and muscle groups that may need more attention. PREMADE TEMPLATES Start quickly with built-in workouts for: • Chest and Triceps • Back and Biceps • Legs • Full Body • At-Home Training SIMPLE WORKOUT TRACKING RepBook Training has no social feed, followers, messaging, or public profiles. It is built to keep the focus on your workouts, your records, and your progress. standard Apple EULA https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: RepBook at every 5 days against Tiny Worlds's every 2 weeks. RepBook also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, 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. Tiny Worlds sells 2 in-app purchases, starting at $3.99 per month and RepBook sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
Tiny Worlds ships an update every 2 weeks, RepBook every 5 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.
| Parameter | Tiny Worlds | RepBook |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 87 MB | 52 MB |
| Age rating | 4+ | 9+ |
| Developer | Mariano Wadi Jacobo | Jimmy Brooks |
In-app purchases
Tiny Worlds
- World Keeper Monthly7 Days trial$3.991 Month
- World Keeper Annual7 Days trial$29.991 Year
RepBook
- RepBook Pro Monthly$4.991 Month
- RepBook Pro Annual$49.991 Year
- RepBook Pro Lifetime$150.00









