# Survey C vs Scan.it

The clearest difference is update cadence: Survey C at weekly against Scan.it's every 2 weeks. Scan.it's advantage is iOS requirement (15.5 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Survey C sells 1 one-off in-app purchase and Scan.it sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Survey C ships an update weekly, Scan.it every 2 weeks. The most recent releases landed on October 28, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Survey C | Scan.it |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 5 MB | 153 MB |
| Requires iOS | 17.6 | **15.5** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Ngoc Tung Nguyen](https://appshunter.io/developer/1123458177) | [LUKE AUSTIN HAUUSON](https://appshunter.io/developer/1890172343) |

## What reviewers say

### Survey C

[App page](https://appshunter.io/ios/app/survey-c-plus-autocad-export/id6756013455)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $200.00 | one-time |


### Scan.it

[App page](https://appshunter.io/ios/app/scanit-pdf-scanner/id6761535167)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scan.it - Premium | $5.99 | per 7 days |
| Scan.it – Premium | $39.99 | per year |


## Frequently asked questions

### Is Survey C free?

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

### Is Scan.it free?

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

### Do Survey C or Scan.it have ads?

Neither Survey C nor Scan.it shows ads.

### Which is updated more often, Survey C or Scan.it?

Survey C ships an update weekly, and Scan.it every 2 weeks. Most recently, Survey C was updated on October 28, 2026 and Scan.it on October 3, 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.*