# ToneScope vs Scrolla

The clearest difference is rating: ToneScope at 5.0 against Scrolla's 4.4. ToneScope also leads on in-app purchases (none vs 3). Scrolla's advantage is update cadence (every 3 days vs every 10 days) and ratings volume (14 vs 4). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Scrolla sells 3 one-off in-app purchases. ToneScope asks for nothing beyond the download.

ToneScope holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 4 and 14 respectively.

ToneScope ships an update every 10 days, Scrolla every 3 days. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | ToneScope | Scrolla |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/tonescope/id6757265327/reviews)** | [4.4 (14 ratings)](https://appshunter.io/ios/app/scrolla-screenshot-stitcher/id6800971397/reviews) |
| Number of ratings | 4 | **14** |
| Positive reviews | — | 89.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Monetization | **Free** | Freemium |
| Size | 2 MB | 71 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Newton Niu](https://appshunter.io/developer/6777603868) | [玉春 蔡](https://appshunter.io/developer/1855893690) |

## What reviewers say

### ToneScope

[App page](https://appshunter.io/ios/app/tonescope/id6757265327)

This audio analysis tool offers real-time and offline sound signal processing. It utilizes a multirate FFT for high frequency resolution and efficiency on iOS devices. All data processing is done locally, ensuring user privacy.

**Highlights:** Real-time audio analysis, Offline sound signal analysis, Multirate FFT processing, High frequency resolution, On-device processing, Local audio recording

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

**In-app purchases:** none


### Scrolla

[App page](https://appshunter.io/ios/app/scrolla-screenshot-stitcher/id6800971397)

Easily combine multiple screenshots into a single, long image. Capture scrolling content or entire webpages, then edit and export in various formats. Protect sensitive information with mosaic and watermark tools.

**Highlights:** Automatic smart stitching, Manual stitch adjustment, Scroll capture for long content, Webpage snapshot functionality, Crop, mosaic, border, and watermark editing, Export as high-resolution images or PDF, On-device processing for privacy

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scrolla Plus | $6.99 | one-time |
| Scrolla Pro Early Bird | $6.99 | one-time |
| Scrolla Pro | $7.99 | one-time |


## Frequently asked questions

### Is ToneScope free?

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

### Is Scrolla free?

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

### Which has better reviews, ToneScope or Scrolla?

ToneScope is rated higher. ToneScope averages 5.0 out of 5 from 4 ratings, while Scrolla averages 4.4 from 14 ratings.

### Do ToneScope or Scrolla have ads?

Neither ToneScope nor Scrolla shows ads.

### Which is updated more often, ToneScope or Scrolla?

ToneScope ships an update every 10 days, and Scrolla every 3 days. Most recently, ToneScope was updated on October 2, 2026 and Scrolla 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.*