# SpeechToText Memo vs Syn9

The clearest difference is in-app purchases: SpeechToText Memo at none against Syn9's 6. SpeechToText Memo also leads on iOS requirement (16.6 vs 18.0). Syn9's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Syn9 sells 6 in-app purchases, starting at $3.00 per month. SpeechToText Memo asks for nothing beyond the download.

SpeechToText Memo ships an update weekly, Syn9 every 4 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | SpeechToText Memo | Syn9 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 4 days** |
| Size | 11 MB | 57 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [nz-sw](https://appshunter.io/developer/502363484) | [Tomohiro Sekikawa](https://appshunter.io/developer/1670259539) |

## What reviewers say

### SpeechToText Memo

[App page](https://appshunter.io/ios/app/speechtotext-memo/id6739190768)

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

**In-app purchases:** none


### Syn9

[App page](https://appshunter.io/ios/app/syn9/id6758545066)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus | $3.00 | per month |
| Max | $6.99 | per month |
| Plus annual | $29.00 | per year |
| Light size | $1.99 | one-time |
| Regular size | $3.99 | one-time |
| Generous size | $7.99 | one-time |


## Frequently asked questions

### Is SpeechToText Memo free?

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

### Is Syn9 free?

Syn9 is free to download, with in-app purchases available.

### Do SpeechToText Memo or Syn9 have ads?

SpeechToText Memo shows ads; Syn9 does not.

### Which is updated more often, SpeechToText Memo or Syn9?

SpeechToText Memo ships an update weekly, and Syn9 every 4 days. Most recently, SpeechToText Memo was updated on October 25, 2026 and Syn9 on October 25, 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.*