# Acidity vs FastqLab

The clearest difference is ads: Acidity at none against FastqLab's shown. FastqLab's advantage is update cadence (every 2 months vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Acidity ships an update every 4 months, FastqLab every 2 months. The most recent releases landed on October 8, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Acidity | FastqLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (10 ratings)](https://appshunter.io/ios/app/acidity-view-page-archives/id6472630023/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 8 MB | 27 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Octalwise](https://appshunter.io/developer/1717359953) | [Japality Limited](https://appshunter.io/developer/1574046707) |

## What reviewers say

### Acidity

[App page](https://appshunter.io/ios/app/acidity-view-page-archives/id6472630023)

This utility extension for Safari provides quick access to archived versions of web pages. It allows users to manually navigate to archives or set up automatic redirection based on custom regex patterns.

**Highlights:** Access archived page versions, Toolbar action for quick access, Regex matching for automatic navigation, Safari extension

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


### FastqLab

[App page](https://appshunter.io/ios/app/fastqlab/id6756225555)

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

**In-app purchases:** none


## Frequently asked questions

### Is Acidity free?

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

### Is FastqLab free?

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

### Do Acidity or FastqLab have ads?

FastqLab shows ads; Acidity does not.

### Which is updated more often, Acidity or FastqLab?

Acidity ships an update every 4 months, and FastqLab every 2 months. Most recently, Acidity was updated on October 8, 2026 and FastqLab on October 20, 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.*