# Pixelerr vs Rediff Authenticator

The clearest difference is iOS requirement: Rediff Authenticator at 14.0 against Pixelerr's 18.0. 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.

Pixelerr ships an update every 13 months, Rediff Authenticator every 12 months. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Pixelerr | Rediff Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 12 months** |
| Size | 27 MB | 3 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pioneer Lighting Solutions LLC](https://appshunter.io/developer/1704663850) | [Rediff.com](https://appshunter.io/developer/594754477) |

## What reviewers say

### Pixelerr

[App page](https://appshunter.io/ios/app/pixelerr/id6463634363)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rediff Authenticator

[App page](https://appshunter.io/ios/app/rediff-authenticator/id6745682069)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pixelerr free?

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

### Is Rediff Authenticator free?

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

### Do Pixelerr or Rediff Authenticator have ads?

Neither Pixelerr nor Rediff Authenticator shows ads.

### Which is updated more often, Pixelerr or Rediff Authenticator?

Pixelerr ships an update every 13 months, and Rediff Authenticator every 12 months. Most recently, Pixelerr was updated on October 13, 2026 and Rediff Authenticator on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*