# WHERE'S  NUMBER! vs Mnemonics!

The clearest difference is update cadence: Mnemonics! at every 3 weeks against WHERE'S  NUMBER!'s every 25 months. WHERE'S  NUMBER!'s advantage is iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

WHERE'S  NUMBER! ships an update every 25 months, Mnemonics! every 3 weeks. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | WHERE'S  NUMBER! | Mnemonics! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/mnemonics/id6478067329/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 40 MB | 12 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [mieko kamiya](https://appshunter.io/developer/544279597) | [Nishat Majid](https://appshunter.io/developer/1727207034) |

## What reviewers say

### WHERE'S  NUMBER!

[App page](https://appshunter.io/ios/app/wheres-number/id1611106033)

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

**In-app purchases:** none


### Mnemonics!

[App page](https://appshunter.io/ios/app/mnemonics/id6478067329)

This timed object matching game is designed to enhance your memory and focus. It presents increasingly challenging patterns and colors to improve your hippocampus function and peripheral vision, leading to better memorization skills.

**Highlights:** Timed object matching gameplay, Improves memory and focus, Enhances peripheral vision, Challenging patterns and colors, Adjustable difficulty levels

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

**In-app purchases:** none


## Frequently asked questions

### Is WHERE'S  NUMBER! free?

WHERE'S  NUMBER! is free to download, with no in-app purchases.

### Is Mnemonics! free?

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

### Do WHERE'S  NUMBER! or Mnemonics! have ads?

Neither WHERE'S  NUMBER! nor Mnemonics! shows ads.

### Which is updated more often, WHERE'S  NUMBER! or Mnemonics!?

WHERE'S  NUMBER! ships an update every 25 months, and Mnemonics! every 3 weeks. Most recently, WHERE'S  NUMBER! was updated on October 13, 2026 and Mnemonics! on October 14, 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.*