# One Big Camera vs Reaction Studio

The clearest difference is in-app purchases: Reaction Studio at none against One Big Camera's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. One Big Camera sells 3 in-app purchases, starting at $1.99 per month. Reaction Studio asks for nothing beyond the download.

One Big Camera ships an update every 2 days, Reaction Studio every 4 days. The most recent releases landed on September 12, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | One Big Camera | Reaction Studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 days |
| Size | 34 MB | 8 MB |
| Requires iOS | **16.2** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Hello Good Day LLC](https://appshunter.io/developer/1720039558) | [Shane Bedasee](https://appshunter.io/developer/1082827037) |

## What reviewers say

### One Big Camera

[App page](https://appshunter.io/ios/app/one-big-camera-dual-camera/id6762533568)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Big Camera Pro | $1.99 | per month |
| One Big Camera Pro | $14.99 | per year |
| Pro Lifetime | $24.99 | one-time |


### Reaction Studio

[App page](https://appshunter.io/ios/app/reaction-studio/id6789353891)

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

**In-app purchases:** none


## Frequently asked questions

### Is One Big Camera free?

One Big Camera is free to download, with in-app purchases available.

### Is Reaction Studio free?

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

### Do One Big Camera or Reaction Studio have ads?

Neither One Big Camera nor Reaction Studio shows ads.

### Which is updated more often, One Big Camera or Reaction Studio?

One Big Camera ships an update every 2 days, and Reaction Studio every 4 days. Most recently, One Big Camera was updated on September 12, 2026 and Reaction Studio on September 17, 2026.

---

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