# Folio vs ReadGrow

The clearest difference is in-app purchases: ReadGrow at none against Folio's 5. ReadGrow also leads on iOS requirement (16.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Folio sells 5 in-app purchases, starting at $0.99 per month. ReadGrow asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on September 11, 2026 and August 20, 2026 respectively.

## The numbers

| Metric | Folio | ReadGrow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/folio-book-tracker/id6764345729/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | Every 3 days |
| Monetization | Free | — |
| Size | 48 MB | 17 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Miguel Pacheco](https://appshunter.io/developer/1814844861) | [Chih-Yen Kuo](https://appshunter.io/developer/6783488735) |

## What reviewers say

### Folio

[App page](https://appshunter.io/ios/app/folio-book-tracker/id6764345729)

This app helps you meticulously track your reading progress, manage your book library, and cultivate a consistent reading habit. It allows for detailed logging of quotes, reviews, and reading statistics, offering a private and organized space for bibliophiles.

**Highlights:** Organize books into shelves, Save and sync favorite quotes, Rate books with quarter-star precision, Import from Goodreads/StoryGraph, Search, manual entry, or ISBN scan, Track pages, minutes, and streaks, Set reading goals

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Folio Plus Monthly | $0.99 | per month |
| Folio Plus Annual | $8.99 | per year |
| Folio Plus Annual | $8.99 | per year |
| Folio Plus Annual | $8.99 | per year |
| Folio Plus Lifetime | $24.99 | one-time |


### ReadGrow

[App page](https://appshunter.io/ios/app/readgrow/id6783488733)

**In-app purchases:** none


## Frequently asked questions

### Is Folio free?

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

### Is ReadGrow free?

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

### Do Folio or ReadGrow have ads?

Neither Folio nor ReadGrow shows ads.

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

Folio ships an update every 3 days, and ReadGrow every 3 days. Most recently, Folio was updated on September 11, 2026 and ReadGrow on August 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.*