# Serb vs Renio

The clearest difference is in-app purchases: Serb at none against Renio's 1. Serb also leads on iOS requirement (15.1 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Renio sells 1 one-off in-app purchase. Serb asks for nothing beyond the download.

Serb ships an update every 3 weeks, Renio every 6 weeks. The most recent releases landed on October 19, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Serb | Renio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Size | 87 MB | 9 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [serb](https://appshunter.io/developer/1757569848) | [YoungWon Studio](https://appshunter.io/developer/1890371737) |

## What reviewers say

### Serb

[App page](https://appshunter.io/ios/app/serb/id6547846386)

**In-app purchases:** none


### Renio

[App page](https://appshunter.io/ios/app/renio-expiry-tracker/id6761680705)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Renio Premium Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is Serb free?

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

### Is Renio free?

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

### Do Serb or Renio have ads?

Neither Serb nor Renio shows ads.

### Which is updated more often, Serb or Renio?

Serb ships an update every 3 weeks, and Renio every 6 weeks. Most recently, Serb was updated on October 19, 2026 and Renio on October 15, 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.*