Roboball vs Memory Stamps
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Roboball
Control a ball-shaped robot to solve physics and logic puzzles. Manipulate mechanisms like buttons, lasers, and doors, sometimes with the help of objects, to reach the teleporter and advance through levels.
- Physics-based puzzles
- Logic puzzles
- Robot ball control
- Mechanism interaction
- Level progression
- Object manipulation
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RoboBall is a game in which you control a ball-shaped robot and solve physics- and logic-based puzzles. Your goal is to control various mechanisms in order to reach the end of the level, where you will find a teleporter that will take you to the next level. Puzzles On every stage you will find a large number of different mechanisms, buttons, laser switches, and doors. To open a door, start an elevator, or simply activate a certain mechanism, you will need to activate a button. Sometimes you can't do it by yourself and will need some help from metal balls, barrels, or crates. But don't forget that they might also need your help to perform certain actions.
Memory Stamps
An elegant puzzle game designed to enhance visual memory and promote relaxation. Players study detailed illustrations and then recreate them by filling in missing elements, with options for a stress-free Zen mode or a timed Challenge mode.
- Visual memory training
- Zen and Challenge modes
- Themed illustrations
- Light and Dark mode
- Soothing music and colors
- Offline play
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Memory Stamps is an elegant puzzle game that combines a few a proven methods to enhance visual memory and helps you relax. •How to play? You will be first presented detail-rich, themed illustrations, then after you consider you've taken all in, several illustration elements will disappear and, using your visual memory you will reassemble the illustration. •Who is this for? The game applies for both gamers and non-gamers, and acts as an excellent memory training activity; stress-free. •Challenging? Although levels can be completed at your own pace, there is a challenge mode available for the ones who want to test their memory to the limits, with a limited time to study the illustrations and with a limited number of errors to make. •Features: - 2 Game Modes: Zen mode and Challenge mode. - Switch between Light mode and Dark mode. - Soothing color palettes and relaxing lo-fi beats. - Game Center. - No ads, no in-app purchases; buy it once and enjoy it forever. - Haptic Feedback. (can turn on/off). - Optimized for all devices; - Simple controls, suitable for any age. - Play Offline, no internet connection required to play. - No violence, stress-free; play at your own pace. - Not collecting any personal data. •Developer notes: Thank you for playing “Memory Stamps”. I put a lot of love and effort into making this game. Don’t forget to review the game and share it with your friends. Use #memorystamps on social media!
Screenshots
Verdict
The clearest difference is rating: Memory Stamps at 4.3 against Roboball's 3.5. Memory Stamps also leads on update cadence (fortnightly vs every 19 months) and ratings volume (82 vs 2). Roboball's advantage is review sentiment (50% vs 40%). On ads, in-app purchases, monetization model 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
Roboball costs $4.99 and Memory Stamps $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Memory Stamps holds the better App Store score, 4.3 against 3.5. That said, the two scores are not equally well evidenced: Memory Stamps has 82 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 50% of Roboball's written reviews are positive against 40% of Memory Stamps's, so the app with the better star average is not the one people write more warmly about.
Roboball ships an update every 19 months, Memory Stamps fortnightly. The most recent releases landed on October 6, 2026 and October 29, 2026 respectively.
| Parameter | Roboball | Memory Stamps |
|---|---|---|
| Price | $4.99 | $1.99 — better |
| Rating | 3.5 (2 ratings) | 4.3 (82 ratings) — better |
| Positive reviews | 50.0% of reviews — better | 40.0% of reviews |
| Number of ratings | 2 | 82 — better |
| Update frequency | Every 19 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 164 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | Darya Vladislavovna | Tepes Ovidiu |
Customer experience
Roboball
Memory Stamps
In-app purchases
Roboball
No in-app purchases
Memory Stamps
No in-app purchases
