# Folio 以書會友 vs ReadGrow

The clearest difference is update cadence: ReadGrow at every 4 days against Folio 以書會友's weekly. On price, ads, in-app purchases and device support there is nothing between them.

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

Folio 以書會友 ships an update weekly, ReadGrow every 4 days. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Folio 以書會友 | ReadGrow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/folio/id6771667110/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free | — |
| Size | 216 MB | 17 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Yu-Ting Liao](https://appshunter.io/developer/1818270595) | [Chih-Yen Kuo](https://appshunter.io/developer/6783488735) |

## What reviewers say

### Folio 以書會友

[App page](https://appshunter.io/ios/app/folio/id6771667110)

This app facilitates deep connections through shared reading experiences. Users can invite others to read a book together, fostering meaningful interactions beyond superficial matching. It also serves as a personal digital bookshelf for tracking reading progress and thoughts.

**Highlights:** Shared reading experiences, Three user intentions for interaction, Four-stage co-reading process, Personal digital bookshelf, Progress-based chat unlocking, Shareable reading summaries

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

**In-app purchases:** none


### ReadGrow

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

**In-app purchases:** none


## Frequently asked questions

### Is Folio 以書會友 free?

Folio 以書會友 is free to download, with no in-app purchases.

### Is ReadGrow free?

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

### Do Folio 以書會友 or ReadGrow have ads?

Neither Folio 以書會友 nor ReadGrow shows ads.

### Which is updated more often, Folio 以書會友 or ReadGrow?

Folio 以書會友 ships an update weekly, and ReadGrow every 4 days. Most recently, Folio 以書會友 was updated on October 9, 2026 and ReadGrow on October 1, 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.*