# Guess vs NumMemory

The clearest difference is in-app purchases: NumMemory at none against Guess's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Guess sells 1 one-off in-app purchase. NumMemory asks for nothing beyond the download.

Guess ships an update every 18 months, NumMemory every 16 months. The most recent releases landed on October 27, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Guess | NumMemory |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 16 months** |
| Size | 5 MB | 1 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Cosmin-Adelin Andrus](https://appshunter.io/developer/1500655469) | [Philippe Bondevine](https://appshunter.io/developer/1258190748) |

## What reviewers say

### Guess

[App page](https://appshunter.io/ios/app/guess-the-codes-challenge/id1500655470)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $0.99 | one-time |


### NumMemory

[App page](https://appshunter.io/ios/app/nummemory-guess-the-number/id6501961939)

**In-app purchases:** none


## Frequently asked questions

### Is Guess free?

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

### Is NumMemory free?

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

### Do Guess or NumMemory have ads?

Neither Guess nor NumMemory shows ads.

### Which is updated more often, Guess or NumMemory?

Guess ships an update every 18 months, and NumMemory every 16 months. Most recently, Guess was updated on October 27, 2026 and NumMemory on October 7, 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.*