# Reformer Puls vs ARI

The clearest difference is in-app purchases: Reformer Puls at none against ARI's 6. ARI's advantage is update cadence (every 6 days vs every 4 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ARI sells 6 in-app purchases, starting at $2.99 per month. Reformer Puls asks for nothing beyond the download.

Reformer Puls ships an update every 4 weeks, ARI every 6 days. The most recent releases landed on October 20, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Reformer Puls | ARI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 6 days** |
| Size | 39 MB | 75 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [BookTime DOO](https://appshunter.io/developer/1739545444) | [Dusan Srdic](https://appshunter.io/developer/1805605556) |

## What reviewers say

### Reformer Puls

[App page](https://appshunter.io/ios/app/reformer-puls/id6738301985)

**Features:** macOS Compatibility

**In-app purchases:** none


### ARI

[App page](https://appshunter.io/ios/app/ari/id6783988075)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mini | $2.99 | per month |
| Plus | $5.99 | per month |
| Pro | $11.99 | per month |
| Mini | $22.99 | per year |
| Plus | $59.99 | per year |
| Pro | $119.99 | per year |


## Frequently asked questions

### Is Reformer Puls free?

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

### Is ARI free?

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

### Do Reformer Puls or ARI have ads?

Neither Reformer Puls nor ARI shows ads.

### Which is updated more often, Reformer Puls or ARI?

Reformer Puls ships an update every 4 weeks, and ARI every 6 days. Most recently, Reformer Puls was updated on October 20, 2026 and ARI on October 7, 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.*