# Zero Smoke vs AltoLoop

The clearest difference is in-app purchases: AltoLoop at none against Zero Smoke's 2. Zero Smoke's advantage is iOS requirement (16.4 vs 18.4). On price, ads and device support there is nothing between them.

Both are free to download. Zero Smoke sells 2 in-app purchases, starting at $3.99 per month. AltoLoop asks for nothing beyond the download.

## The numbers

| Metric | Zero Smoke | AltoLoop |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Size | 68 MB | 1 MB |
| Requires iOS | **16.4** | 18.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [MARIO PETROV USHEV](https://appshunter.io/developer/1802892824) | [Anton Podviaznikov](https://appshunter.io/developer/1527892709) |

## What reviewers say

### Zero Smoke

[App page](https://appshunter.io/ios/app/zero-smoke/id6743452857)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $3.99 | per month |
| Annual Plan | $34.99 | per year |


### AltoLoop

[App page](https://appshunter.io/ios/app/altoloop-unlock-health-data/id6747998678)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zero Smoke free?

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

### Is AltoLoop free?

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

### Do Zero Smoke or AltoLoop have ads?

Neither Zero Smoke nor AltoLoop shows ads.

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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.*