# Memory Game vs Planetary Sling

The clearest difference is in-app purchases: Planetary Sling at none against Memory Game's 1. Planetary Sling also leads on update cadence (daily vs every 2 weeks) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Memory Game sells 1 one-off in-app purchase. Planetary Sling asks for nothing beyond the download.

Memory Game ships an update every 2 weeks, Planetary Sling daily. The most recent releases landed on September 14, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Memory Game | Planetary Sling |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Size | 51 MB | 128 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Renan Martinelli Yednak](https://appshunter.io/developer/1876900803) | [Juuso Anttila](https://appshunter.io/developer/1841648411) |

## What reviewers say

### Memory Game

[App page](https://appshunter.io/ios/app/memory-game-pairlly/id6759103266)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pairlly Premium – Lifetime Unlock | $4.99 | one-time |


### Planetary Sling

[App page](https://appshunter.io/ios/app/planetary-sling/id6760001806)

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

**In-app purchases:** none


## Frequently asked questions

### Is Memory Game free?

Memory Game is free to download, with in-app purchases available.

### Is Planetary Sling free?

Planetary Sling is free to download, with no in-app purchases.

### Do Memory Game or Planetary Sling have ads?

Neither Memory Game nor Planetary Sling shows ads.

### Which is updated more often, Memory Game or Planetary Sling?

Memory Game ships an update every 2 weeks, and Planetary Sling daily. Most recently, Memory Game was updated on September 14, 2026 and Planetary Sling on September 10, 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.*