# ScanGrader vs Check Answer

The clearest difference is update cadence: Check Answer at every 4 days against ScanGrader's every 6 weeks. ScanGrader's advantage is iOS requirement (16.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ScanGrader sells 1 in-app purchase, starting at $6.99 per year and Check Answer sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ScanGrader ships an update every 6 weeks, Check Answer every 4 days. The most recent releases landed on September 24, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | ScanGrader | Check Answer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Size | 6 MB | 3 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Zanido Software Ltda.](https://appshunter.io/developer/1687168581) | [Jatuphol Jaturapat](https://appshunter.io/developer/1788860463) |

## What reviewers say

### ScanGrader

[App page](https://appshunter.io/ios/app/scangrader/id6448961446)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription | $6.99 | per year |


### Check Answer

[App page](https://appshunter.io/ios/app/check-answer/id6756690225)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited use (1 Month) | $0.99 | per month |
| Unlimited Use (3 Months) | $2.99 | per 3 months |
| Unlimited Use (1 Year) | $4.99 | per year |
| Lifetime Access | $12.99 | one-time |


## Frequently asked questions

### Is ScanGrader free?

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

### Is Check Answer free?

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

### Do ScanGrader or Check Answer have ads?

Neither ScanGrader nor Check Answer shows ads.

### Which is updated more often, ScanGrader or Check Answer?

ScanGrader ships an update every 6 weeks, and Check Answer every 4 days. Most recently, ScanGrader was updated on September 24, 2026 and Check Answer on September 19, 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.*