# Atom Studio vs in

The clearest difference is update cadence: in at every 5 days against Atom Studio's every 3 months. in also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Atom Studio ships an update every 3 months, in every 5 days. The most recent releases landed on September 18, 2026 and July 4, 2026 respectively.

## The numbers

| Metric | Atom Studio | in |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 25 MB | 51 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Edgar Barba](https://appshunter.io/developer/1418360228) | [Jose Manuel Heredia Felix](https://appshunter.io/developer/1555876226) |

## What reviewers say

### Atom Studio

[App page](https://appshunter.io/ios/app/atom-studio/id6443804664)

Streamline your fitness routine with this app. Book classes, pay from your phone, and enter the studio using your QR code. Manage your schedule, waitlists, and class packages effortlessly.

**Highlights:** Book classes instantly, Pay via mobile, QR code entry, Seat selection, Waitlist functionality, Manage class packages

**Features:** Apple Wallet

**In-app purchases:** none


### in

[App page](https://appshunter.io/ios/app/in-vacu/id6469420843)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Atom Studio free?

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

### Is in free?

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

### Do Atom Studio or in have ads?

Neither Atom Studio nor in shows ads.

### Which is updated more often, Atom Studio or in?

Atom Studio ships an update every 3 months, and in every 5 days. Most recently, Atom Studio was updated on September 18, 2026 and in on July 4, 2026.

---

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