# Caliscool vs Do1

The clearest difference is in-app purchases: Do1 at none against Caliscool's 1. Do1 also leads on update cadence (every 2 days vs weekly) and iOS requirement (15.0 vs 18.0). Caliscool's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Caliscool sells 1 one-off in-app purchase. Do1 asks for nothing beyond the download.

Caliscool ships an update weekly, Do1 every 2 days. The most recent releases landed on October 15, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Caliscool | Do1 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 2 days** |
| Size | 126 MB | 25 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [JOSE ANTONIO MARTINEZ FERNANDEZ](https://appshunter.io/developer/688879180) | [The Big Marck](https://appshunter.io/developer/1895849317) |

## What reviewers say

### Caliscool

[App page](https://appshunter.io/ios/app/caliscool-train-calisthenics/id6758521484)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Lifetime Access | $11.99 | one-time |


### Do1

[App page](https://appshunter.io/ios/app/do1/id6764611021)

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

**In-app purchases:** none


## Frequently asked questions

### Is Caliscool free?

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

### Is Do1 free?

Do1 is free to download, with no in-app purchases.

### Do Caliscool or Do1 have ads?

Do1 shows ads; Caliscool does not.

### Which is updated more often, Caliscool or Do1?

Caliscool ships an update weekly, and Do1 every 2 days. Most recently, Caliscool was updated on October 15, 2026 and Do1 on October 5, 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.*