# Baletta vs Seren

The clearest difference is in-app purchases: Baletta at none against Seren's 1. Baletta also leads on iOS requirement (8.0 vs 15.0). Seren's advantage is update cadence (weekly vs every 76 months). On price, ads and device support there is nothing between them.

Both are free to download. Seren sells 1 in-app purchase, starting at $9.99 per month. Baletta asks for nothing beyond the download.

Baletta ships an update every 76 months, Seren weekly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Baletta | Seren |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 76 months | **Weekly** |
| Size | 3 MB | 81 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Katsuhiko Makino](https://appshunter.io/developer/1623506357) | [Daiki Yamaguchi](https://appshunter.io/developer/6784109353) |

## What reviewers say

### Baletta

[App page](https://appshunter.io/ios/app/baletta/id1207701094)

**Features:** macOS Compatibility

**In-app purchases:** none


### Seren

[App page](https://appshunter.io/ios/app/seren-chronic-pain-tracker/id6804630611)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Supporter Plan (Monthly) | $9.99 | per month |


## Frequently asked questions

### Is Baletta free?

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

### Is Seren free?

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

### Do Baletta or Seren have ads?

Neither Baletta nor Seren shows ads.

### Which is updated more often, Baletta or Seren?

Baletta ships an update every 76 months, and Seren weekly. Most recently, Baletta was updated on October 26, 2026 and Seren on October 25, 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.*