# Cal Buddi vs Fitsin

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

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

Cal Buddi ships an update every 5 days, Fitsin every 4 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Cal Buddi | Fitsin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/fitsin/id6814602580/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 days | **Every 4 days** |
| Size | 85 MB | 29 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Vishal Gupt](https://appshunter.io/developer/6777448982) | [ABDULHAKEIM Sultan](https://appshunter.io/developer/6814602582) |

## What reviewers say

### Cal Buddi

[App page](https://appshunter.io/ios/app/cal-buddi/id6777448980)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cal Buddi Pro — Monthly | $8.99 | per month |
| Cal Buddi Pro — Yearly | $34.99 | per year |


### Fitsin

[App page](https://appshunter.io/ios/app/fitsin/id6814602580)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cal Buddi free?

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

### Is Fitsin free?

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

### Do Cal Buddi or Fitsin have ads?

Both Cal Buddi and Fitsin show ads.

### Which is updated more often, Cal Buddi or Fitsin?

Cal Buddi ships an update every 5 days, and Fitsin every 4 days. Most recently, Cal Buddi was updated on October 24, 2026 and Fitsin on October 24, 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.*