# Pilara Studio vs Sour

The clearest difference is in-app purchases: Pilara Studio at none against Sour's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sour sells 2 in-app purchases, starting at $8.99 per month. Pilara Studio asks for nothing beyond the download.

Pilara Studio ships an update every 2 weeks, Sour every 3 weeks. The most recent releases landed on September 22, 2026 and August 22, 2026 respectively.

## The numbers

| Metric | Pilara Studio | Sour |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 192 MB | 52 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PILARA STUDIO WOMEN BODY FITNESS CLUB L.L.C](https://appshunter.io/developer/1887622927) | [Bartolomeo Steccanella](https://appshunter.io/developer/6775868763) |

## What reviewers say

### Pilara Studio

[App page](https://appshunter.io/ios/app/pilara-studio/id6761068448)

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

**In-app purchases:** none


### Sour

[App page](https://appshunter.io/ios/app/sour-quit-sugar-tracker/id6775868761)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sour Premium Monthly | $8.99 | per month |
| Sour Premium Yearly | $44.99 | per year |


## Frequently asked questions

### Is Pilara Studio free?

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

### Is Sour free?

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

### Do Pilara Studio or Sour have ads?

Neither Pilara Studio nor Sour shows ads.

### Which is updated more often, Pilara Studio or Sour?

Pilara Studio ships an update every 2 weeks, and Sour every 3 weeks. Most recently, Pilara Studio was updated on September 22, 2026 and Sour on August 22, 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.*