# Check My Device vs PDFlow

Check My Device and PDFlow both sit at 4.5 stars, but that hides the real split: 100% of PDFlow's written reviews are positive against 47% of Check My Device's. PDFlow also leads on ads (none vs shown) and update cadence (weekly vs every 3 months). Check My Device's advantage is ratings volume (93 vs 2). On price, rating, in-app purchases and monetization model there is nothing between them.

Both are free to download. Check My Device sells 3 in-app purchases, starting at $0.99 per 7 days and PDFlow sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for Check My Device against 4.5 for PDFlow. That said, the two scores are not equally well evidenced: Check My Device has 93 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 47% of Check My Device's written reviews are positive against 100% of PDFlow's.

Check My Device ships an update every 3 months, PDFlow weekly. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Check My Device | PDFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (93 ratings)](https://appshunter.io/ios/app/check-my-device-40-plus-tests/id1296632315/reviews) | [4.5 (2 ratings)](https://appshunter.io/ios/app/pdflow-split-and-delete-pages/id6779042750/reviews) |
| Number of ratings | **93** | 2 |
| Positive reviews | 47.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 36 MB | 10 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dropouts Technologies LLP](https://appshunter.io/developer/575481782) | [Trivialware](https://appshunter.io/developer/287295857) |

## What reviewers say

### Check My Device

[App page](https://appshunter.io/ios/app/check-my-device-40-plus-tests/id1296632315)

Thoroughly test your iPhone or iPad's display, sensors, connectivity, and other components. Ideal for verifying device functionality before buying, selling, or for long-term use.

**Highlights:** Screen and display tests, Multimedia component tests, Sensor diagnostics, Device parts testing, Connectivity checks, Warranty and damage checks

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $0.99 | per 7 days |
| Lifetime Discounted Unlock | $3.99 | one-time |
| Lifetime Unlock | $7.99 | one-time |


### PDFlow

[App page](https://appshunter.io/ios/app/pdflow-split-and-delete-pages/id6779042750)

This app offers a suite of 9 tools to manage PDF files directly on your device. It allows you to merge, split, compress, reorder, remove, rotate, unlock, protect, and convert PDFs to images without needing an account or internet connection.

**Highlights:** Merge multiple PDFs, Split PDFs into ranges or specific pages, Compress PDF file size, Reorder pages via thumbnail grid, Remove pages individually or in bulk, Rotate pages within the file, Unlock password-protected PDFs, Protect PDFs with AES encryption, Convert PDF pages to images (JPG/PNG)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDFlow One Month | $2.99 | one-time |
| PDFlow Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Check My Device free?

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

### Is PDFlow free?

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

### Which has better reviews, Check My Device or PDFlow?

Check My Device and PDFlow are both rated 4.5 out of 5 on the App Store, from 93 and 2 ratings respectively.

### Do Check My Device or PDFlow have ads?

Check My Device shows ads; PDFlow does not.

### Which is updated more often, Check My Device or PDFlow?

Check My Device ships an update every 3 months, and PDFlow weekly. Most recently, Check My Device was updated on October 13, 2026 and PDFlow on October 15, 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.*