# Speech Jammer vs Notation

The clearest difference is in-app purchases: Speech Jammer at none against Notation's 2. Speech Jammer also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.6). Notation's advantage is update cadence (weekly vs every 7 months). On price and device support there is nothing between them.

Both are free to download. Notation sells 2 in-app purchases, starting at $2.99 per 7 days. Speech Jammer asks for nothing beyond the download.

Speech Jammer ships an update every 7 months, Notation weekly. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Speech Jammer | Notation |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Weekly** |
| Size | 19 MB | 41 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Writecream](https://appshunter.io/developer/1633791590) | [凯 张](https://appshunter.io/developer/1879659677) |

## What reviewers say

### Speech Jammer

[App page](https://appshunter.io/ios/app/speech-jammer-delay-effect/id6755513989)

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

**In-app purchases:** none


### Notation

[App page](https://appshunter.io/ios/app/notation-sheet-music-maker/id6774178274)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription · NotationAI | $2.99 | per 7 days |
| Lifetime Access · NotationAI | $19.99 | one-time |


## Frequently asked questions

### Is Speech Jammer free?

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

### Is Notation free?

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

### Do Speech Jammer or Notation have ads?

Notation shows ads; Speech Jammer does not.

### Which is updated more often, Speech Jammer or Notation?

Speech Jammer ships an update every 7 months, and Notation weekly. Most recently, Speech Jammer was updated on September 17, 2026 and Notation on September 10, 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.*