# Memory training. Figures vs Ikodoku

The clearest difference is in-app purchases: Memory training. Figures at none against Ikodoku's 1. Memory training. Figures also leads on iOS requirement (8.1 vs 15.0). Ikodoku's advantage is ads (none vs shown) and update cadence (weekly vs every 17 months). On price and device support there is nothing between them.

Both are free to download. Ikodoku sells 1 one-off in-app purchase. Memory training. Figures asks for nothing beyond the download.

Memory training. Figures ships an update every 17 months, Ikodoku weekly. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Memory training. Figures | Ikodoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ikodoku/id1553522429/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 17 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 64 MB | 3 MB |
| Requires iOS | **8.1** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ruslan Goncharenko](https://appshunter.io/developer/934710362) | [Papaja AB](https://appshunter.io/developer/1478116229) |

## What reviewers say

### Memory training. Figures

[App page](https://appshunter.io/ios/app/memory-training-figures/id1033117008)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ikodoku

[App page](https://appshunter.io/ios/app/ikodoku/id1553522429)

Experience Sudoku with a visual twist. This game replaces traditional numbers with distinct symbols, offering a fresh challenge for puzzle enthusiasts. Enjoy a unique and engaging logic puzzle experience.

**Highlights:** Numberless Sudoku puzzles, Symbol-based gameplay, Logic and pattern recognition, Challenging puzzles, Unique visual interface

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is Memory training. Figures free?

Memory training. Figures is free to download, with no in-app purchases.

### Is Ikodoku free?

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

### Do Memory training. Figures or Ikodoku have ads?

Memory training. Figures shows ads; Ikodoku does not.

### Which is updated more often, Memory training. Figures or Ikodoku?

Memory training. Figures ships an update every 17 months, and Ikodoku weekly. Most recently, Memory training. Figures was updated on October 13, 2026 and Ikodoku on October 6, 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.*