# Zonas vs RRB Studios

The clearest difference is in-app purchases: RRB Studios at none against Zonas's 2. RRB Studios also leads on iOS requirement (15.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Zonas sells 2 in-app purchases, starting at $2.99 per month. RRB Studios asks for nothing beyond the download.

Zonas ships an update every 9 days, RRB Studios fortnightly. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Zonas | RRB Studios |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Size | 5 MB | 3 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [NUNO DE ASSIS MIRANDA SCHUMACHER](https://appshunter.io/developer/1817680170) | [RRB Dance Company, LLC](https://appshunter.io/developer/1271902590) |

## What reviewers say

### Zonas

[App page](https://appshunter.io/ios/app/zonas-heart-rate-zone-tracker/id6760609710)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zonas Pro | $2.99 | per month |
| Zonas Pro Yearly | $17.99 | per year |


### RRB Studios

[App page](https://appshunter.io/ios/app/rrb-studios/id6773409911)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zonas free?

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

### Is RRB Studios free?

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

### Do Zonas or RRB Studios have ads?

Neither Zonas nor RRB Studios shows ads.

### Which is updated more often, Zonas or RRB Studios?

Zonas ships an update every 9 days, and RRB Studios fortnightly. Most recently, Zonas was updated on October 11, 2026 and RRB Studios on October 10, 2026.

---

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