# PH System vs SpeechToText Memo

The clearest difference is ads: PH System at none against SpeechToText Memo's shown. PH System also leads on iOS requirement (13 vs 16.6). SpeechToText Memo's advantage is update cadence (weekly vs every 15 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PH System ships an update every 15 months, SpeechToText Memo weekly. The most recent releases landed on September 9, 2026 and January 27, 2026 respectively.

## The numbers

| Metric | PH System | SpeechToText Memo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 15 months | **Weekly** |
| Size | 25 MB | 11 MB |
| Requires iOS | **13** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [barnet Inc.](https://appshunter.io/developer/1203142034) | [nz-sw](https://appshunter.io/developer/502363484) |

## What reviewers say

### PH System

[App page](https://appshunter.io/ios/app/ph-system/id1438705034)

**Features:** macOS Compatibility

**In-app purchases:** none


### SpeechToText Memo

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PH System free?

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

### Is SpeechToText Memo free?

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

### Do PH System or SpeechToText Memo have ads?

SpeechToText Memo shows ads; PH System does not.

### Which is updated more often, PH System or SpeechToText Memo?

PH System ships an update every 15 months, and SpeechToText Memo weekly. Most recently, PH System was updated on September 9, 2026 and SpeechToText Memo on January 27, 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.*