# TrackRobots vs Scanner Document PDF

The clearest difference is in-app purchases: TrackRobots at none against Scanner Document PDF's 10. TrackRobots also leads on iOS requirement (9.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Scanner Document PDF sells 10 one-off in-app purchases. TrackRobots asks for nothing beyond the download.

TrackRobots ships an update every 6 weeks, Scanner Document PDF monthly. The most recent releases landed on September 15, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | TrackRobots | Scanner Document PDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Size | 41 MB | 48 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [BeltRoadIoT Technology Co., Ltd.](https://appshunter.io/developer/1647142446) | [Checkturn SAS](https://appshunter.io/developer/1395082764) |

## What reviewers say

### TrackRobots

[App page](https://appshunter.io/ios/app/trackrobots/id6447681550)

**Features:** macOS Compatibility

**In-app purchases:** none


### Scanner Document PDF

[App page](https://appshunter.io/ios/app/scanner-document-pdf/id6761269929)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip — $1 | $0.99 | one-time |
| Tip — $2 | $1.99 | one-time |
| Tip — $3 | $2.99 | one-time |
| Tip — $4 | $3.99 | one-time |
| Tip — $5 | $4.99 | one-time |
| Tip — $6 | $5.99 | one-time |
| Tip — $8 | $7.99 | one-time |
| Tip — $7 | $7.99 | one-time |
| Tip — $9 | $8.99 | one-time |
| Tip — $10 | $9.99 | one-time |


## Frequently asked questions

### Is TrackRobots free?

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

### Is Scanner Document PDF free?

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

### Do TrackRobots or Scanner Document PDF have ads?

Neither TrackRobots nor Scanner Document PDF shows ads.

### Which is updated more often, TrackRobots or Scanner Document PDF?

TrackRobots ships an update every 6 weeks, and Scanner Document PDF monthly. Most recently, TrackRobots was updated on September 15, 2026 and Scanner Document PDF on September 20, 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.*