# 一卷 Rollbook vs PLADYON

The clearest difference is update cadence: PLADYON at every 5 days against 一卷 Rollbook's every 3 weeks. PLADYON also leads on iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 一卷 Rollbook sells 1 one-off in-app purchase and PLADYON sells 2 in-app purchases, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.

一卷 Rollbook ships an update every 3 weeks, PLADYON every 5 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | 一卷 Rollbook | PLADYON |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Size | 22 MB | 85 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [昌俊 刘](https://appshunter.io/developer/6786316789) | [颂豪 陈](https://appshunter.io/developer/6806141422) |

## What reviewers say

### 一卷 Rollbook

[App page](https://appshunter.io/ios/app/rollbook/id6786322386)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rollbook Pro Lifetime | $9.99 | one-time |


### PLADYON

[App page](https://appshunter.io/ios/app/pladyon/id6806310159)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PLADYON 年度会员 | $4.99 | per year |
| 终身会员 | $14.99 | one-time |


## Frequently asked questions

### Is 一卷 Rollbook free?

一卷 Rollbook is free to download, with in-app purchases available.

### Is PLADYON free?

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

### Do 一卷 Rollbook or PLADYON have ads?

Neither 一卷 Rollbook nor PLADYON shows ads.

### Which is updated more often, 一卷 Rollbook or PLADYON?

一卷 Rollbook ships an update every 3 weeks, and PLADYON every 5 days. Most recently, 一卷 Rollbook was updated on October 31, 2026 and PLADYON on November 6, 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.*