# bombo vs RapidPrep

The clearest difference is update cadence: RapidPrep at every 4 days against bombo's every 2 weeks. RapidPrep also leads on iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. bombo sells 3 in-app purchases, starting at $3.99 per 7 days and RapidPrep sells 1 in-app purchase, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

bombo ships an update every 2 weeks, RapidPrep every 4 days. Both last shipped on November 10, 2026.

## The numbers

| Metric | bombo | RapidPrep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/bombo-english-accent-training/id6774954831/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 483 MB | 25 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Bunyamin Mete](https://appshunter.io/developer/1859678689) | [Isaac Kwadwo Bae](https://appshunter.io/developer/1792476953) |

## What reviewers say

### bombo

[App page](https://appshunter.io/ios/app/bombo-english-accent-training/id6774954831)

Improve your American English pronunciation with AI-powered feedback. Practice individual sounds, words, and sentences with personalized lessons and track your progress. Speak more clearly and confidently in everyday conversations and professional settings.

**Highlights:** Sound-by-sound pronunciation scoring, Native speaker audio examples, 24 levels and 133 bite-size lessons, Personalized daily practice exercises, On-device speech analysis for privacy, Progress tracking with streaks and badges

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $3.99 | per 7 days |
| Premium Monthly | $12.99 | per month |
| Premium Yearly | $49.99 | per year |


### RapidPrep

[App page](https://appshunter.io/ios/app/rapidprep/id6798465675)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RapidPrep Premium | $9.99 | per year |


## Frequently asked questions

### Is bombo free?

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

### Is RapidPrep free?

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

### Do bombo or RapidPrep have ads?

Neither bombo nor RapidPrep shows ads.

### Which is updated more often, bombo or RapidPrep?

bombo ships an update every 2 weeks, and RapidPrep every 4 days. Most recently, bombo was updated on November 10, 2026 and RapidPrep on November 10, 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.*