# Static FM vs Protractor, Level

The clearest difference is update cadence: Protractor, Level at fortnightly against Static FM's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Static FM sells 3 in-app purchases, starting at $2.99 per month and Protractor, Level sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Static FM ships an update every 2 months, Protractor, Level fortnightly. The most recent releases landed on October 10, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Static FM | Protractor, Level |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 92 MB | 2 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Gaomi Star Network Technology Co., Ltd.](https://appshunter.io/developer/1469798193) | [Streamlined Studios](https://appshunter.io/developer/1802378603) |

## What reviewers say

### Static FM

[App page](https://appshunter.io/ios/app/static-fm-white-noise-machine/id6757254926)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $2.99 | per month |
| Yearly Plan | $19.99 | per year |
| Lifetime Access | $39.99 | one-time |


### Protractor, Level

[App page](https://appshunter.io/ios/app/protractor-level-notch/id6795315730)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Notch Pro | $2.99 | one-time |


## Frequently asked questions

### Is Static FM free?

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

### Is Protractor, Level free?

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

### Do Static FM or Protractor, Level have ads?

Neither Static FM nor Protractor, Level shows ads.

### Which is updated more often, Static FM or Protractor, Level?

Static FM ships an update every 2 months, and Protractor, Level fortnightly. Most recently, Static FM was updated on October 10, 2026 and Protractor, Level on October 16, 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.*