# Scream Book vs ScrollWave

The clearest difference is in-app purchases: ScrollWave at none against Scream Book's 2. Scream Book's advantage is update cadence (every 5 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Scream Book sells 2 one-off in-app purchases. ScrollWave asks for nothing beyond the download.

Scream Book ships an update every 5 days, ScrollWave fortnightly. Both last shipped on November 9, 2026.

## The numbers

| Metric | Scream Book | ScrollWave |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Size | 5 MB | 21 MB |
| Requires iOS | **18.0** | 18.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Olga Covalciuc](https://appshunter.io/developer/1161182271) | [Alexander Biskaev](https://appshunter.io/developer/1881201355) |

## What reviewers say

### Scream Book

[App page](https://appshunter.io/ios/app/scream-book/id6759533461)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Reader | $12.99 | one-time |
| Buy me a coffee - Support Developer | $22.99 | one-time |


### ScrollWave

[App page](https://appshunter.io/ios/app/scrollwave/id6759850217)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Scream Book free?

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

### Is ScrollWave free?

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

### Do Scream Book or ScrollWave have ads?

Neither Scream Book nor ScrollWave shows ads.

### Which is updated more often, Scream Book or ScrollWave?

Scream Book ships an update every 5 days, and ScrollWave fortnightly. Most recently, Scream Book was updated on November 9, 2026 and ScrollWave on November 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.*