# PA 速攻 vs Folio 以書會友

The clearest difference is in-app purchases: Folio 以書會友 at none against PA 速攻's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PA 速攻 sells 1 one-off in-app purchase. Folio 以書會友 asks for nothing beyond the download.

PA 速攻 ships an update every 6 days, Folio 以書會友 weekly. The most recent releases landed on September 30, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | PA 速攻 | Folio 以書會友 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/folio/id6771667110/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Weekly |
| Monetization | — | Free |
| Size | 45 MB | 216 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Monochrome Technology Co. Ltd.](https://appshunter.io/developer/1690433187) | [Yu-Ting Liao](https://appshunter.io/developer/1818270595) |

## What reviewers say

### PA 速攻

[App page](https://appshunter.io/ios/app/pa/id6760356109)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 完整版解鎖 | $0.99 | one-time |


### 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


## Frequently asked questions

### Is PA 速攻 free?

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

### Is Folio 以書會友 free?

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

### Do PA 速攻 or Folio 以書會友 have ads?

Neither PA 速攻 nor Folio 以書會友 shows ads.

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

PA 速攻 ships an update every 6 days, and Folio 以書會友 weekly. Most recently, PA 速攻 was updated on September 30, 2026 and Folio 以書會友 on October 9, 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.*