Atomas vs Pi
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Atomas
Combine atoms to create new elements in this addictive puzzle game. Strategize to prevent your universe from overflowing and unlock special charms to aid your progress. Compete with friends for the highest score.
- Atom fusion mechanics
- Element creation
- Chain reactions
- Lucky charms
- Multiple game modes
- Score comparison
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Atomas is a fascinating puzzle game, which you can learn in seconds but will entertain you for weeks. The perfect game for your spare time! Your little universe starts with hydrogen atoms only but with the help of the energy rich plus atoms you are able to fusion two hydrogen atoms into one helium atom, 2 helium atoms into one lithium atom and so on. Your primary goal is to create the valuable elements like Gold, Platinum and Silver. But watch out, if your universe is overfilled with too many atoms it will cause a big crunch and the game is over. One way to prevent this is to build up long symmetries in your atoms and start big chain reactions. From time to time minus atoms appear, use them for absorbing and replacing atoms within your universe or sacrifice them for a plus atom. You see Atomas is not hard to play, but if you want to get to the top you'll need a good strategy, which keeps your atoms organized. By creating new elements like oxygen or copper you unlock lucky charms, which effect the game in various ways and adjust it to your strategy. What Atomas offers you: - 4 different game modes - simple but addicting game mechanics - 124 different atoms to create - 12 different lucky charms - exciting challenges - compare your scores with friends via GameCenter - share your score on twitter and Facebook - quick tutorial The developers high score is 66 534. Can you do better?
Pi
Enhance your Pi memorization with this app. Features include writing your own "Piem," voice mode for reciting digits, performance statistics, and sound effects. Challenge friends and track your progress.
- Write your own Piem
- Voice mode for reciting digits
- Performance statistics
- Sound effects for memorization
- Game Center integration
- Challenge friends
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Pi - The Game is the #1 Pi app on the App Store! Improve your Pi memorization skills by using effective features introduced in the app including: - Write your own Piem - Use Voice mode to read out the digits out loud - View statistics on your performance to track your progress - Sound effects to help you memorize the digits - Reverse button order - Full Game Center integration - Challenge friends to beat your high score Subscription terms: - The subscription auto-renews at the end of each term. - Payment will be charged to iTunes Account at confirmation of purchase. - The subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. - Account will be charged for renewal within 24-hours prior to the end of the current period. - You may manage your subscription and turn off auto-renewal by going to your Account Settings after purchase. Privacy policy and Terms of Use: https://applorium.com/privacy-pi-game
Screenshots
Verdict
The clearest difference is update cadence: Atomas at monthly against Pi's every 3 months. Atomas also leads on iOS requirement (9.0 vs 15.0). On price, rating, review sentiment and ratings volume 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. Atomas sells 5 one-off in-app purchases and Pi sells 6 in-app purchases, starting at $3.99 per year. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.8 for Atomas against 4.7 for Pi. Both are backed by a comparable volume of ratings — 3.4K and 1.7K respectively. Written reviews are what separate them: 94% of Atomas's written reviews are positive against 90% of Pi's.
Atomas ships an update monthly, Pi every 3 months. The most recent releases landed on September 25, 2026 and September 24, 2026 respectively.
| Parameter | Atomas | Pi |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (3.4K ratings) — better | 4.7 (1.7K ratings) |
| Positive reviews | 93.9% of reviews — better | 90.4% of reviews |
| Number of ratings | 3.4K — better | 1.7K |
| Update frequency | Monthly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 33 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Max Gittel | Applorium Ltd |
Customer experience
Atomas
Pi
User reviews
Atomas
From 3.4K App Store ratingsWhat we love
- 🚀 Addictive gameplay
- 👍 Simple and intuitive
- 🔒 No ads or in-app purchases
- 🧠 Helps learn periodic table
- 🎨 Polished and visually appealing
Room to improve
- 🐛 Occasional glitches and bugs
- 🤔 Difficulty can feel arbitrary at times
- 🎨 Similar atom colors can be confusing
- 🔍 Lack of clear tutorials or explanations
Pi
From 1.7K App Store ratingsWhat we love
- 🚀 Great memorization tool
- 👍 Simple and intuitive interface
- 💡 Customizable features (e.g., column count)
- 🥳 Engaging and fun way to learn pi
- 🎉 Helps users achieve impressive results quickly
Room to improve
- 🔒 Premium features locked behind paywall
- 🐛 Occasional crashes and bugs
- 📢 Frequent review prompts can be annoying
- 🔍 Leaderboard and achievements not always accurate
Bugs and requests
Atomas
Reported bugs
3 issues- Undo button not working as expected
- Game crashing when sharing scores
- Inconsistent atom behavior with certain power-ups
Requested features
4 requests- More game modes and challenges
- Ability to save progress and sync across devices
- Option to adjust atom colors and sizes
- Achievements and leaderboards
Pi
Reported bugs
3 issues- Leaderboard and achievements not updating correctly
- Interface issues after certain actions (e.g., unable to exit training mode)
- Purchases not always unlocking premium features
Requested features
4 requests- Voice recognition mode
- Tolerance for minor mistakes
- Support for other mathematical constants
- Dark mode option
In-app purchases
Atomas
- No Ads & Instant Modes Unlock$0.99
- 2 Antimatter$1.99
- 5 Antimatter$2.99
Show 2 moreShow fewer
- 10 Antimatter$4.99
- 12 Antimatter$4.99
Pi
- Pi - The Game Pro$3.991 Year
- Slice of Pie$3.99
- Upgrade$3.99
- Pi - The Game Pro$4.99
Show 2 moreShow fewer
- Half a pie$14.99
- A Whole pie$29.99









