# Promptimmo vs RantBox

The clearest difference is in-app purchases: RantBox at none against Promptimmo's 2. RantBox also leads on ads (none vs shown). Promptimmo's advantage is update cadence (fortnightly vs every 6 weeks) and iOS requirement (13.0 vs 15.1). On price and device support there is nothing between them.

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

Promptimmo ships an update fortnightly, RantBox every 6 weeks. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Promptimmo | RantBox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rantbox/id6746710014/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | — | Free |
| Size | 84 MB | 31 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [GEONIA](https://appshunter.io/developer/1720157918) | [Adithya Kethu](https://appshunter.io/developer/1818048473) |

## 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 |


### RantBox

[App page](https://appshunter.io/ios/app/rantbox/id6746710014)

Share your unfiltered thoughts and feelings anonymously. Connect with others who understand your perspective through AI-matched conversations or public community threads. Find authentic human connection in a judgment-free zone.

**Highlights:** Anonymous thought sharing, Text and voice rants, AI-powered user matching, Public community threads, Judgment-free zone, Authentic connection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Promptimmo free?

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

### Is RantBox free?

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

### Do Promptimmo or RantBox have ads?

Promptimmo shows ads; RantBox does not.

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

Promptimmo ships an update fortnightly, and RantBox every 6 weeks. Most recently, Promptimmo was updated on November 4, 2026 and RantBox on October 30, 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.*