# AttendanceRobo vs PDF Compressor

The clearest difference is rating: PDF Compressor at 4.3 against AttendanceRobo's 1.0. PDF Compressor also leads on ratings volume (82 vs 1). AttendanceRobo's advantage is in-app purchases (none vs 4) and update cadence (every 8 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Compressor sells 3 in-app purchases, starting at $4.99 per 7 days. AttendanceRobo asks for nothing beyond the download.

PDF Compressor holds the better App Store score, 4.3 against 1.0. That said, the two scores are not equally well evidenced: PDF Compressor has 82 ratings behind it against 1, so its average is the more settled of the two.

AttendanceRobo ships an update every 8 days, PDF Compressor every 6 weeks. The most recent releases landed on September 17, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | AttendanceRobo | PDF Compressor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/attendancerobo/id6464289615/reviews) | **[4.3 (82 ratings)](https://appshunter.io/ios/app/pdf-compressor-reduce-size/id6476273989/reviews)** |
| Number of ratings | 1 | **82** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 6 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 138 MB | 62 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Binary Semantics Limited](https://appshunter.io/developer/594792815) | [NextPixel apps](https://appshunter.io/developer/1584487280) |

## What reviewers say

### AttendanceRobo

[App page](https://appshunter.io/ios/app/attendancerobo/id6464289615)

This app simplifies time tracking, leave requests, and attendance management for efficient workforce oversight. It offers advanced features to streamline employee management processes.

**Highlights:** Time tracking, Leave management, Attendance tracking, Workforce management, Advanced features

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-reduce-size/id6476273989)

Reduce the size of your PDF documents without sacrificing quality. Optimize PDFs for storage, sharing, and faster loading. Effortlessly manage and share your compressed files anywhere.

**Highlights:** Efficient PDF compression, Retain document quality, User-friendly file management, Easy sharing via multiple platforms, Optimize for storage and transfer

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| File Compressor - PDF | $4.99 | per 7 days |
| File Compressor - PDF | $7.99 | per 7 days |
| PDF Compressor - Resize file | $9.99 | per month |


## Frequently asked questions

### Is AttendanceRobo free?

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

### Is PDF Compressor free?

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

### Which has better reviews, AttendanceRobo or PDF Compressor?

PDF Compressor is rated higher. AttendanceRobo averages 1.0 out of 5 from 1 ratings, while PDF Compressor averages 4.3 from 82 ratings.

### Do AttendanceRobo or PDF Compressor have ads?

Neither AttendanceRobo nor PDF Compressor shows ads.

### Which is updated more often, AttendanceRobo or PDF Compressor?

AttendanceRobo ships an update every 8 days, and PDF Compressor every 6 weeks. Most recently, AttendanceRobo was updated on September 17, 2026 and PDF Compressor on September 28, 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.*