# Grade fuel vs Scanner PDF

The clearest difference is in-app purchases: Grade fuel at none against Scanner PDF's 3. Scanner PDF's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Scanner PDF sells 3 in-app purchases, starting at $9.99 per 7 days. Grade fuel asks for nothing beyond the download.

Grade fuel ships an update every 2 months, Scanner PDF every 2 weeks. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Grade fuel | Scanner PDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 5 MB | 16 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [DORU SULAR](https://appshunter.io/developer/1675124003) | [ARIPISER SOLUTIONS S.L.U](https://appshunter.io/developer/1887224631) |

## What reviewers say

### Grade fuel

[App page](https://appshunter.io/ios/app/grade-fuel/id6748621740)

**Features:** macOS Compatibility

**In-app purchases:** none


### Scanner PDF

[App page](https://appshunter.io/ios/app/scanner-pdf-scan-and-edit/id6770520231)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $9.99 | per 7 days |
| Pro Monthly | $19.99 | per month |
| Pro Yearly | $59.99 | per year |


## Frequently asked questions

### Is Grade fuel free?

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

### Is Scanner PDF free?

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

### Do Grade fuel or Scanner PDF have ads?

Neither Grade fuel nor Scanner PDF shows ads.

### Which is updated more often, Grade fuel or Scanner PDF?

Grade fuel ships an update every 2 months, and Scanner PDF every 2 weeks. Most recently, Grade fuel was updated on October 25, 2026 and Scanner PDF on October 31, 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.*