# recibo vs Letter Explainer

The clearest difference is update cadence: Letter Explainer at every 4 days against recibo's every 2 weeks. recibo's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. recibo sells 2 in-app purchases, starting at $3.99 per month and Letter Explainer sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

recibo ships an update every 2 weeks, Letter Explainer every 4 days. The most recent releases landed on October 16, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | recibo | Letter Explainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 26 MB | 21 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Centric Software International Ltd.](https://appshunter.io/developer/6801454269) | [Armen Ter-Oganezov](https://appshunter.io/developer/1723150483) |

## What reviewers say

### recibo

[App page](https://appshunter.io/ios/app/recibo/id6806847068)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| recibo. - Premium Plus | $3.99 | per month |
| recibo. - Premium | $8.99 | one-time |


### Letter Explainer

[App page](https://appshunter.io/ios/app/letter-explainer-postklar/id6816644992)

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Postklar Pro Monthly | $3.99 | per month |
| Postklar Pro Yearly | $24.99 | per year |
| 5 Scans | $2.99 | one-time |


## Frequently asked questions

### Is recibo free?

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

### Is Letter Explainer free?

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

### Do recibo or Letter Explainer have ads?

Neither recibo nor Letter Explainer shows ads.

### Which is updated more often, recibo or Letter Explainer?

recibo ships an update every 2 weeks, and Letter Explainer every 4 days. Most recently, recibo was updated on October 16, 2026 and Letter Explainer on October 19, 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.*