# Prompton vs CoPaMemo

The clearest difference is in-app purchases: Prompton at none against CoPaMemo's 1. CoPaMemo's advantage is update cadence (every 3 days vs every 6 weeks) and iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

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

Prompton ships an update every 6 weeks, CoPaMemo every 3 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Prompton | CoPaMemo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Size | 4 MB | 6 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yosuke Tamaoki](https://appshunter.io/developer/1823512122) | [Ryoma Yanagimoto](https://appshunter.io/developer/1681944215) |

## What reviewers say

### Prompton

[App page](https://appshunter.io/ios/app/prompton-prompt-manager/id6757693865)

**Features:** Vision Pro support

**In-app purchases:** none


### CoPaMemo

[App page](https://appshunter.io/ios/app/copamemo-custom-keyboard/id6758835272)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Unlock | $1.99 | one-time |


## Frequently asked questions

### Is Prompton free?

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

### Is CoPaMemo free?

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

### Do Prompton or CoPaMemo have ads?

Neither Prompton nor CoPaMemo shows ads.

### Which is updated more often, Prompton or CoPaMemo?

Prompton ships an update every 6 weeks, and CoPaMemo every 3 days. Most recently, Prompton was updated on October 28, 2026 and CoPaMemo on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*