Sleepy Planets vs Not That One!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sleepy Planets
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Your goal is to create a perfect eclipse so the sleepy planets can finally rest in the shade. But it’s not that simple — moving one planet can disturb the others. Solve 50 carefully crafted levels, each more challenging than the last. For true players, there's also an intense Time Mode with its own global leaderboard!
Not That One!
Test your reflexes and decision-making in this fast-paced game by quickly identifying the odd one out from a mix of numbers, letters, and special characters. Compete globally on leaderboards and unlock achievements as you master the simple yet challenging gameplay.
- Identify odd numbers, letters, and symbols
- Global leaderboard competition
- Unlockable achievements
- Immersive background music
- Language-free gameplay
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Welcome to Not That One!, a fast-paced and addictive game where every second counts! Test your reflexes and decision-making as you spot the odd one out from a mix of numbers, letters, and special characters. Features: 1. Global Leaderboard: Compete with players worldwide and rise to the top! 2. Simple Gameplay: Easy to learn but challenging to master. 3. Achievements: Unlock exciting achievements as you progress. 4. Immersive Music: Enjoy captivating music that enhances your gameplay experience. 5. Language-Free Experience: Play seamlessly across languages with universally understandable gameplay. Can you stay sharp under pressure and make the right call before time runs out? Play now and prove you’ve got what it takes to spot the odd one!
Screenshots
Verdict
The clearest difference is update cadence: Not That One! at every 2 days against Sleepy Planets's every 27 months. 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. Sleepy Planets sells 1 one-off in-app purchase and Not That One! sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Sleepy Planets ships an update every 27 months, Not That One! every 2 days. The most recent releases landed on October 20, 2026 and October 26, 2026 respectively.
| Parameter | Sleepy Planets | Not That One! |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (102 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | — | 102 — better |
| Update frequency | Every 27 months | Every 2 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 96 MB | 105 MB |
| Age rating | 4+ | 4+ |
| Developer | Nikola Jovanovic | Vikas Pawar |
In-app purchases
Sleepy Planets
- Remove Ads$0.99
Not That One!
- Remove Ads$2.99
