# 九九问答 vs Scrolla

The clearest difference is in-app purchases: 九九问答 at none against Scrolla's 3. Scrolla's advantage is update cadence (every 3 days vs every 10 days) and iOS requirement (16.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. Scrolla sells 3 one-off in-app purchases. 九九问答 asks for nothing beyond the download.

九九问答 ships an update every 10 days, Scrolla every 3 days. The most recent releases landed on October 14, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | 九九问答 | Scrolla |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (15 ratings)](https://appshunter.io/ios/app/scrolla-screenshot-stitcher/id6800971397/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | — | 89.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 53 MB | 71 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [厦门可圈网络科技有限公司](https://appshunter.io/developer/1842698393) | [玉春 蔡](https://appshunter.io/developer/1855893690) |

## What reviewers say

### 九九问答

[App page](https://appshunter.io/ios/app/id6753146356)

**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 九九问答 free?

九九问答 is free to download, with no in-app purchases.

### Is Scrolla free?

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

### Do 九九问答 or Scrolla have ads?

Neither 九九问答 nor Scrolla shows ads.

### Which is updated more often, 九九问答 or Scrolla?

九九问答 ships an update every 10 days, and Scrolla every 3 days. Most recently, 九九问答 was updated on October 14, 2026 and Scrolla on October 23, 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.*