# Phone Diagnostics Expert vs PDF Fox

The clearest difference is review sentiment: Phone Diagnostics Expert at 100% against PDF Fox's 0%. Phone Diagnostics Expert also leads on rating (4.9 vs 1.0) and update cadence (every 2 weeks vs every 2 months). PDF Fox's advantage is in-app purchases (none vs 1). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Phone Diagnostics Expert sells 1 one-off in-app purchase. PDF Fox asks for nothing beyond the download.

Phone Diagnostics Expert holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: Phone Diagnostics Expert has 17 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Phone Diagnostics Expert's written reviews are positive against 0% of PDF Fox's.

Phone Diagnostics Expert ships an update every 2 weeks, PDF Fox every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Phone Diagnostics Expert | PDF Fox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (17 ratings)](https://appshunter.io/ios/app/phone-diagnostics-expert/id6752949053/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/pdf-fox/id6756534248/reviews) |
| Number of ratings | **17** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 45 MB | 43 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [君 潘](https://appshunter.io/developer/647696765) | [Yasin Kuyu](https://appshunter.io/developer/1234723142) |

## What reviewers say

### Phone Diagnostics Expert

[App page](https://appshunter.io/ios/app/phone-diagnostics-expert/id6752949053)

This tool offers a comprehensive diagnostic for your device's hardware and functions. It provides both quick, automatic checks and detailed manual tests for individual components, generating complete reports for troubleshooting or verification.

**Highlights:** One-click automatic hardware detection, Manual verification of individual components, Generation of detailed test result reports, Tests for sensors, connectivity, and hardware, Camera, screen, and system function checks

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Unlock | $0.99 | one-time |


### PDF Fox

[App page](https://appshunter.io/ios/app/pdf-fox/id6756534248)

This comprehensive toolkit offers a suite of PDF management features, including editing, scanning, signing, and conversion. It prioritizes user privacy by operating entirely offline, ensuring your documents remain on your device without requiring accounts or subscriptions.

**Highlights:** Offline PDF editing, OCR text recognition, Secure PDF signing, Document scanning, PDF merging and splitting, File compression, Password protection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Phone Diagnostics Expert free?

Phone Diagnostics Expert is free to download, with in-app purchases available.

### Is PDF Fox free?

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

### Which has better reviews, Phone Diagnostics Expert or PDF Fox?

Phone Diagnostics Expert is rated higher. Phone Diagnostics Expert averages 4.9 out of 5 from 17 ratings, while PDF Fox averages 1.0 from 1 ratings.

### Do Phone Diagnostics Expert or PDF Fox have ads?

Neither Phone Diagnostics Expert nor PDF Fox shows ads.

### Which is updated more often, Phone Diagnostics Expert or PDF Fox?

Phone Diagnostics Expert ships an update every 2 weeks, and PDF Fox every 2 months. Most recently, Phone Diagnostics Expert was updated on October 24, 2026 and PDF Fox on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*