# 胶感 vs 一卷 Rollbook

The clearest difference is in-app purchases: 胶感 at none against 一卷 Rollbook's 1. 胶感 also leads on iOS requirement (18.6 vs 26.0). 一卷 Rollbook's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. 一卷 Rollbook sells 1 one-off in-app purchase. 胶感 asks for nothing beyond the download.

胶感 ships an update every 3 months, 一卷 Rollbook every 3 weeks. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 胶感 | 一卷 Rollbook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 8 MB | 22 MB |
| Requires iOS | **18.6** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [德鑫 徐](https://appshunter.io/developer/1801107545) | [昌俊 刘](https://appshunter.io/developer/6786316789) |

## What reviewers say

### 胶感

[App page](https://appshunter.io/ios/app/id6762520007)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is 胶感 free?

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

### Is 一卷 Rollbook free?

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

### Do 胶感 or 一卷 Rollbook have ads?

Neither 胶感 nor 一卷 Rollbook shows ads.

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

胶感 ships an update every 3 months, and 一卷 Rollbook every 3 weeks. Most recently, 胶感 was updated on October 17, 2026 and 一卷 Rollbook on October 15, 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.*