# Geminus vs Kioku?：Number Memory

The clearest difference is in-app purchases: Geminus at none against Kioku?：Number Memory's 1. Geminus also leads on device support (3 vs 1). Kioku?：Number Memory's advantage is ads (none vs shown) and update cadence (every 2 days vs every 10 days). On price and iOS requirement there is nothing between them.

Both are free to download. Kioku?：Number Memory sells 1 one-off in-app purchase. Geminus asks for nothing beyond the download.

Geminus ships an update every 10 days, Kioku?：Number Memory every 2 days. The most recent releases landed on July 9, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Geminus | Kioku?：Number Memory |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Every 2 days** |
| Monetization | Ad-supported | — |
| Size | 338 MB | 7 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tobias Jacobs](https://appshunter.io/developer/1562203112) | [Yuichi Hiruta](https://appshunter.io/developer/912365793) |

## What reviewers say

### Geminus

[App page](https://appshunter.io/ios/app/geminus/id1597594509)

A free memo game where players match pairs of cards as quickly as possible. It offers a variety of card themes, from simple animals to complex patterns, with new sets regularly added. Compete with others by exchanging high scores.

**Highlights:** Find matching pairs, Timed gameplay, Variety of card themes, Expandable content, High score exchange, Multiple language support

**Features:** macOS Compatibility

**In-app purchases:** none


### Kioku?：Number Memory

[App page](https://appshunter.io/ios/app/kiokunumber-memory/id6782825314)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is Geminus free?

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

### Is Kioku?：Number Memory free?

Kioku?：Number Memory is free to download, with in-app purchases available.

### Do Geminus or Kioku?：Number Memory have ads?

Geminus shows ads; Kioku?：Number Memory does not.

### Which is updated more often, Geminus or Kioku?：Number Memory?

Geminus ships an update every 10 days, and Kioku?：Number Memory every 2 days. Most recently, Geminus was updated on July 9, 2026 and Kioku?：Number Memory on September 8, 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.*