# Развитие на Детето БГ vs Retent

The clearest difference is in-app purchases: Развитие на Детето БГ at none against Retent's 2. Retent's advantage is ads (none vs shown) and update cadence (every 10 days vs every 23 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Retent sells 2 in-app purchases, starting at $6.99 per month. Развитие на Детето БГ asks for nothing beyond the download.

Развитие на Детето БГ ships an update every 23 months, Retent every 10 days. The most recent releases landed on October 5, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Развитие на Детето БГ | Retent |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 23 months | **Every 10 days** |
| Size | 5 MB | 27 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Tihomir Radev](https://appshunter.io/developer/1403507147) | [Kristiyan Grigorov](https://appshunter.io/developer/1885305370) |

## What reviewers say

### Развитие на Детето БГ

[App page](https://appshunter.io/ios/app/id1439354597)

**Features:** macOS Compatibility

**In-app purchases:** none


### Retent

[App page](https://appshunter.io/ios/app/retent-learn-and-remember/id6760609613)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Retent Unlimited Monthly | $6.99 | per month |
| Retent Unlimited Yearly | $39.99 | per year |


## Frequently asked questions

### Is Развитие на Детето БГ free?

Развитие на Детето БГ is free to download, with no in-app purchases.

### Is Retent free?

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

### Do Развитие на Детето БГ or Retent have ads?

Развитие на Детето БГ shows ads; Retent does not.

### Which is updated more often, Развитие на Детето БГ or Retent?

Развитие на Детето БГ ships an update every 23 months, and Retent every 10 days. Most recently, Развитие на Детето БГ was updated on October 5, 2026 and Retent on October 14, 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.*