# 7 Planets vs Memory Stamps

The clearest difference is price: 7 Planets at Free against Memory Stamps's $1.99. Memory Stamps's advantage is rating (4.3 vs 3.7) and in-app purchases (none vs 2). On review sentiment, ads and device support there is nothing between them.

7 Planets is free to download; Memory Stamps costs $1.99 up front. 7 Planets sells 2 in-app purchases, starting at $1.99 per month. Memory Stamps asks for nothing beyond the download.

Memory Stamps holds the better App Store score, 4.3 against 3.7. That said, the two scores are not equally well evidenced: Memory Stamps has 82 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 39% of 7 Planets's written reviews are positive against 40% of Memory Stamps's.

7 Planets ships an update every 4 months, Memory Stamps fortnightly. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 7 Planets | Memory Stamps |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [3.7 (15 ratings)](https://appshunter.io/ios/app/7-planets/id478895559/reviews) | **[4.3 (82 ratings)](https://appshunter.io/ios/app/memory-stamps/id1548945086/reviews)** |
| Number of ratings | 15 | **82** |
| Positive reviews | 38.7% of reviews | **40.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | **Free** | Paid |
| Size | 107 MB | 52 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tomislav Puzak](https://appshunter.io/developer/468604455) | [Tepes Ovidiu](https://appshunter.io/developer/1225592787) |

## What reviewers say

### 7 Planets

[App page](https://appshunter.io/ios/app/7-planets/id478895559)

This relaxing logic puzzle game features a wooden board and colorful marbles. Solve brain-teasing challenges by rolling and matching marbles to restore order. Enjoy offline play at your own pace with simple, satisfying gameplay.

**Highlights:** Wooden board and marble gameplay, Mind-bending logic challenges, Offline puzzle solving, Three distinct game modes, Leaderboards and achievements, Satisfying tactile experience

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7 Planets Premium (Monthly) | $1.99 | per month |
| 7 Planets Premium (Yearly) | $8.99 | per year |


### Memory Stamps

[App page](https://appshunter.io/ios/app/memory-stamps/id1548945086)

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.

**Highlights:** Visual memory training, Zen and Challenge modes, Themed illustrations, Light and Dark mode, Soothing music and colors, Offline play

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 7 Planets free?

7 Planets is free to download, with in-app purchases available.

### Is Memory Stamps free?

Memory Stamps costs $1.99, with no in-app purchases.

### Which has better reviews, 7 Planets or Memory Stamps?

Memory Stamps is rated higher. 7 Planets averages 3.7 out of 5 from 15 ratings, while Memory Stamps averages 4.3 from 82 ratings.

### Do 7 Planets or Memory Stamps have ads?

Neither 7 Planets nor Memory Stamps shows ads.

### Which is updated more often, 7 Planets or Memory Stamps?

7 Planets ships an update every 4 months, and Memory Stamps fortnightly. Most recently, 7 Planets was updated on October 7, 2026 and Memory Stamps on October 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*