# Flight Calcs vs Phone Diagnostics Expert

The clearest difference is update cadence: Phone Diagnostics Expert at every 2 weeks against Flight Calcs's every 2 months. Phone Diagnostics Expert also leads on review sentiment (100% vs 85%) and ratings volume (17 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Flight Calcs sells 2 in-app purchases, starting at $1.99 per month and Phone Diagnostics Expert sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Flight Calcs against 4.9 for Phone Diagnostics Expert. 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 are what separate them: 85% of Flight Calcs's written reviews are positive against 100% of Phone Diagnostics Expert's.

Flight Calcs ships an update every 2 months, Phone Diagnostics Expert every 2 weeks. The most recent releases landed on October 23, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Flight Calcs | Phone Diagnostics Expert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flight-calcs-pilot-e6b-tools/id444281468/reviews)** | [4.9 (17 ratings)](https://appshunter.io/ios/app/phone-diagnostics-expert/id6752949053/reviews) |
| Number of ratings | 1 | **17** |
| Positive reviews | 84.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 38 MB | 45 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Verosocial Studio](https://appshunter.io/developer/354566841) | [君 潘](https://appshunter.io/developer/647696765) |

## What reviewers say

### Flight Calcs

[App page](https://appshunter.io/ios/app/flight-calcs-pilot-e6b-tools/id444281468)

This app provides pilots with essential flight calculation tools for logging time, planning routes, and performing preflight checks. It offers accurate, real-world aviation calculations with familiar terminology and unit conventions.

**Highlights:** Pilot time logging and summing, Flight block/duty time calculation, Time-Speed-Distance (TSD) calculations, Wind component and True Airspeed (TAS) resolution, Density altitude computation, Fuel burn estimation, Weight and balance verification

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PilotCalculators pro monthly | $1.99 | per month |
| Pilot Calculators pro lifetime | $9.99 | one-time |


### 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 |


## Frequently asked questions

### Is Flight Calcs free?

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

### Is Phone Diagnostics Expert free?

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

### Which has better reviews, Flight Calcs or Phone Diagnostics Expert?

Flight Calcs is rated higher. Flight Calcs averages 5.0 out of 5 from 1 ratings, while Phone Diagnostics Expert averages 4.9 from 17 ratings.

### Do Flight Calcs or Phone Diagnostics Expert have ads?

Neither Flight Calcs nor Phone Diagnostics Expert shows ads.

### Which is updated more often, Flight Calcs or Phone Diagnostics Expert?

Flight Calcs ships an update every 2 months, and Phone Diagnostics Expert every 2 weeks. Most recently, Flight Calcs was updated on October 23, 2026 and Phone Diagnostics Expert on October 3, 2026.

---

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