# Promptimmo vs Otanu

The clearest difference is in-app purchases: Otanu at none against Promptimmo's 2. Otanu also leads on ads (none vs shown). Promptimmo's advantage is iOS requirement (13.0 vs 16.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Promptimmo sells 2 one-off in-app purchases. Otanu asks for nothing beyond the download.

Promptimmo ships an update fortnightly, Otanu monthly. The most recent releases landed on September 16, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Promptimmo | Otanu |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Monthly |
| Size | 84 MB | 135 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [GEONIA](https://appshunter.io/developer/1720157918) | [Otanu LLC](https://appshunter.io/developer/1802988070) |

## What reviewers say

### Promptimmo

[App page](https://appshunter.io/ios/app/promptimmo/id6473921077)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter | $0.99 | one-time |
| Promptimmo regular | $1.99 | one-time |


### Otanu

[App page](https://appshunter.io/ios/app/otanu/id6755986221)

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

**In-app purchases:** none


## Frequently asked questions

### Is Promptimmo free?

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

### Is Otanu free?

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

### Do Promptimmo or Otanu have ads?

Promptimmo shows ads; Otanu does not.

### Which is updated more often, Promptimmo or Otanu?

Promptimmo ships an update fortnightly, and Otanu monthly. Most recently, Promptimmo was updated on September 16, 2026 and Otanu on October 2, 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.*