# Photonoter vs Readshift

The clearest difference is iOS requirement: Readshift at 18.0 against Photonoter's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Photonoter ships an update every 6 weeks, Readshift every 2 months. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Photonoter | Readshift |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 4 MB | 6 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Michael Schwarz](https://appshunter.io/developer/1515808967) | [Shenzhen Zhongshan Psychological Consultation Co., Ltd.](https://appshunter.io/developer/1704584180) |

## What reviewers say

### Photonoter

[App page](https://appshunter.io/ios/app/photonoter/id6754701932)

**Features:** macOS Compatibility

**In-app purchases:** none


### Readshift

[App page](https://appshunter.io/ios/app/readshift/id6769618009)

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

**In-app purchases:** none


## Frequently asked questions

### Is Photonoter free?

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

### Is Readshift free?

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

### Do Photonoter or Readshift have ads?

Neither Photonoter nor Readshift shows ads.

### Which is updated more often, Photonoter or Readshift?

Photonoter ships an update every 6 weeks, and Readshift every 2 months. Most recently, Photonoter was updated on October 3, 2026 and Readshift on October 8, 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.*