# Firm24 vs One Chiro Studio

The clearest difference is device support: Firm24 at 3 against One Chiro Studio's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Firm24 ships an update every 2 weeks, One Chiro Studio fortnightly. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Firm24 | One Chiro Studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Size | 59 MB | 102 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Firm24.com](https://appshunter.io/developer/1574492990) | [One Chiropractic Studio B.V.](https://appshunter.io/developer/1717551149) |

## What reviewers say

### Firm24

[App page](https://appshunter.io/ios/app/firm24/id1574492988)

**Features:** macOS Compatibility

**In-app purchases:** none


### One Chiro Studio

[App page](https://appshunter.io/ios/app/one-chiro-studio/id6472700126)

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

**In-app purchases:** none


## Frequently asked questions

### Is Firm24 free?

Firm24 is free to download, with no in-app purchases.

### Is One Chiro Studio free?

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

### Do Firm24 or One Chiro Studio have ads?

Neither Firm24 nor One Chiro Studio shows ads.

### Which is updated more often, Firm24 or One Chiro Studio?

Firm24 ships an update every 2 weeks, and One Chiro Studio fortnightly. Most recently, Firm24 was updated on September 17, 2026 and One Chiro Studio on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*