# Let’s blabla vs Boom.API

The clearest difference is review sentiment: Boom.API at 100% against Let’s blabla's 85%. Boom.API also leads on rating (5.0 vs 4.8) and update cadence (every 5 days vs every 2 weeks). Let’s blabla's advantage is iOS requirement (10.3 vs 15.1). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Boom.API holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 10 and 4 respectively. Written reviews point the same way: 85% of Let’s blabla's written reviews are positive against 100% of Boom.API's.

Let’s blabla ships an update every 2 weeks, Boom.API every 5 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Let’s blabla | Boom.API |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (10 ratings)](https://appshunter.io/ios/app/lets-blabla/id987932732/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/boomapi/id6760099286/reviews)** |
| Number of ratings | **10** | 4 |
| Positive reviews | 84.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Free | Free |
| Size | 50 MB | 43 MB |
| Requires iOS | **10.3** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Perception Technologies, S.L.](https://appshunter.io/developer/643656923) | [Nikolai Cook](https://appshunter.io/developer/1882637001) |

## What reviewers say

### Let’s blabla

[App page](https://appshunter.io/ios/app/lets-blabla/id987932732)

Connect with native speakers worldwide to practice new languages through text, voice, or video calls. Help others learn your native tongue while you improve your own. Find partners with shared interests for real-time conversations anytime, anywhere.

**Highlights:** Connect with native speakers, Text, voice, and video conversations, Practice 48 languages, Find partners by interests, Create conversation groups, Add partners to favorites

**Features:** macOS Compatibility

**In-app purchases:** none


### Boom.API

[App page](https://appshunter.io/ios/app/boomapi/id6760099286)

This app predicts if you'll hear a sonic boom from returning rocket boosters. It tracks launches, calculates blast zones, and sends personalized notifications so you know when to step outside.

**Highlights:** Tracks upcoming rocket launches, Calculates sonic boom blast zones, Interactive flight path map, Personalized location-based predictions, Customizable launch countdowns, Push notifications for launches and reschedules

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

**In-app purchases:** none


## Frequently asked questions

### Is Let’s blabla free?

Let’s blabla is free to download, with no in-app purchases.

### Is Boom.API free?

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

### Which has better reviews, Let’s blabla or Boom.API?

Boom.API is rated higher. Let’s blabla averages 4.8 out of 5 from 10 ratings, while Boom.API averages 5.0 from 4 ratings.

### Do Let’s blabla or Boom.API have ads?

Neither Let’s blabla nor Boom.API shows ads.

### Which is updated more often, Let’s blabla or Boom.API?

Let’s blabla ships an update every 2 weeks, and Boom.API every 5 days. Most recently, Let’s blabla was updated on November 1, 2026 and Boom.API on October 31, 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.*