# Number Memory 25 vs PASSCODES

The clearest difference is price: PASSCODES at Free against Number Memory 25's $0.99. PASSCODES also leads on in-app purchases (none vs 1). Number Memory 25's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 2 months).

PASSCODES is free to download; Number Memory 25 costs $0.99 up front. Number Memory 25 sells 1 one-off in-app purchase. PASSCODES asks for nothing beyond the download.

Number Memory 25 ships an update every 3 weeks, PASSCODES every 2 months. The most recent releases landed on September 2, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | Number Memory 25 | PASSCODES |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/number-memory-25/id6448686063/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Paid | — |
| Size | 3 MB | 16 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [T&T United Inc.](https://appshunter.io/developer/468282934) | [KENICHI YAMAMOTO](https://appshunter.io/developer/1335325739) |

## What reviewers say

### Number Memory 25

[App page](https://appshunter.io/ios/app/number-memory-25/id6448686063)

This brain training app helps improve memory by challenging users to memorize and recall sequences of numbers. Regular, short practice sessions can enhance visual memory and cognitive skills.

**Highlights:** Memorize and recall number sequences, Visual memory training, Daily 30-second practice, Progressive difficulty, Simple, challenging gameplay

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All | Free | one-time |


### PASSCODES

[App page](https://appshunter.io/ios/app/passcodes/id6737499782)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Number Memory 25 free?

Number Memory 25 costs $0.99, and also offers in-app purchases.

### Is PASSCODES free?

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

### Do Number Memory 25 or PASSCODES have ads?

PASSCODES shows ads; Number Memory 25 does not.

### Which is updated more often, Number Memory 25 or PASSCODES?

Number Memory 25 ships an update every 3 weeks, and PASSCODES every 2 months. Most recently, Number Memory 25 was updated on September 2, 2026 and PASSCODES on May 17, 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.*