# Trace vs Folio

The clearest difference is update cadence: Trace at every 4 days against Folio's every 9 days. On price, ads, in-app purchases 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 and Folio sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Trace ships an update every 4 days, Folio every 9 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Trace | Folio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/trace-fanfiction-tracker/id6761776345/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 9 days |
| Monetization | Freemium | — |
| Size | 41 MB | 10 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [ZACHARY SAMUEL LAMBERT](https://appshunter.io/developer/1891419670) | [Tetsuhiro Nomura](https://appshunter.io/developer/1806548895) |

## What reviewers say

### Trace

[App page](https://appshunter.io/ios/app/trace-fanfiction-tracker/id6761776345)

This app helps you track your fanfiction reading progress and organize your favorite stories. It allows you to save works, add notes, and categorize them for easy retrieval. Keep a private record of what you've read, loved, or dropped across supported archives.

**Highlights:** Track reading progress, Organize fanfiction by status, Add private notes and tags, Search and filter by fandom, Integrates with AO3 and FanFiction.net, Create reading collections

**Features:** Safari Extension

**In-app purchases (2)**

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


### Folio

[App page](https://appshunter.io/ios/app/folio-read-the-classics/id6786104973)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Folio — Monthly | $4.99 | per month |
| Folio — Yearly | $29.99 | per year |
| Lifetime — Full Library | $49.99 | one-time |


## Frequently asked questions

### Is Trace free?

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

### Is Folio free?

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

### Do Trace or Folio have ads?

Neither Trace nor Folio shows ads.

### Which is updated more often, Trace or Folio?

Trace ships an update every 4 days, and Folio every 9 days. Most recently, Trace was updated on October 25, 2026 and Folio on October 24, 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.*