# Trace vs Calibre Access

The clearest difference is in-app purchases: Calibre Access at none against Trace's 2. Trace's advantage is iOS requirement (16.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. Trace sells 2 in-app purchases, starting at $2.99 per month. Calibre Access asks for nothing beyond the download.

## The numbers

| Metric | Trace | Calibre Access |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/trace-unofficial-ao3-reader/id6791213935/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 34 MB | 12 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [ZACHARY SAMUEL LAMBERT](https://appshunter.io/developer/1891419670) | [Aurelien Chevalier](https://appshunter.io/developer/1811376095) |

## What reviewers say

### Trace

[App page](https://appshunter.io/ios/app/trace-unofficial-ao3-reader/id6791213935)

This app allows users to privately read and organize EPUB files downloaded from AO3 offline. It offers customizable reading settings, library management with personal tags and notes, and robust search and filtering capabilities for fanfiction.

**Highlights:** Offline EPUB reading, AO3 fanfiction organization, Customizable reading themes and fonts, Personalized library management, Advanced search and filtering, Optional cloud sync

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trace Unlimited Monthly | $2.99 | per month |
| Trace Unlimited Yearly | $24.99 | per year |


### Calibre Access

[App page](https://appshunter.io/ios/app/calibre-access/id6817356142)

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

**In-app purchases:** none


## Frequently asked questions

### Is Trace free?

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

### Is Calibre Access free?

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

### Do Trace or Calibre Access have ads?

Neither Trace nor Calibre Access shows ads.

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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.*