# Loop Slower vs Alto Song Form

The clearest difference is price: Alto Song Form at Free against Loop Slower's $0.99. Alto Song Form also leads on update cadence (every 3 weeks vs every 12 months). Loop Slower's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

Alto Song Form is free to download; Loop Slower costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Loop Slower ships an update every 12 months, Alto Song Form every 3 weeks. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Loop Slower | Alto Song Form |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Size | 5 MB | 66 MB |
| Requires iOS | 17.1 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Algirdas Gridziuska](https://appshunter.io/developer/1054530337) | [James John Group, LLC](https://appshunter.io/developer/799642938) |

## What reviewers say

### Loop Slower

[App page](https://appshunter.io/ios/app/loop-slower/id6680190953)

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

**In-app purchases:** none


### Alto Song Form

[App page](https://appshunter.io/ios/app/alto-song-form/id6744549011)

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

**In-app purchases:** none


## Frequently asked questions

### Is Loop Slower free?

Loop Slower costs $0.99, with no in-app purchases.

### Is Alto Song Form free?

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

### Do Loop Slower or Alto Song Form have ads?

Alto Song Form shows ads; Loop Slower does not.

### Which is updated more often, Loop Slower or Alto Song Form?

Loop Slower ships an update every 12 months, and Alto Song Form every 3 weeks. Most recently, Loop Slower was updated on October 4, 2026 and Alto Song Form on October 14, 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.*