# PFM App vs The Tail Sniffer

The clearest difference is review sentiment: The Tail Sniffer at 100% against PFM App's 0%. The Tail Sniffer also leads on rating (5.0 vs 1.0) and ratings volume (14 vs 1). PFM App's advantage is in-app purchases (none vs 7) and ads (none vs shown). On price, update cadence, monetization model and device support there is nothing between them.

Both are free to download. The Tail Sniffer sells 7 in-app purchases, starting at $1.49 per month. PFM App asks for nothing beyond the download.

The Tail Sniffer holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: The Tail Sniffer has 14 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of PFM App's written reviews are positive against 100% of The Tail Sniffer's.

PFM App ships an update every 2 weeks, The Tail Sniffer every 9 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | PFM App | The Tail Sniffer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/pfm-app/id6746574465/reviews) | **[5.0 (14 ratings)](https://appshunter.io/ios/app/the-tail-sniffer/id6761208632/reviews)** |
| Number of ratings | 1 | **14** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | Free | Free |
| Size | 26 MB | 16 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Portside, Inc.](https://appshunter.io/developer/1609132004) | [Roxstar Labs LLC](https://appshunter.io/developer/1888273870) |

## What reviewers say

### PFM App

[App page](https://appshunter.io/ios/app/pfm-app/id6746574465)

Access comprehensive trip details, crew information, and PFM databases. Features include fuel pricing, time/distance calculations, and paperless flight log posting. Integrates with various aviation services for seamless data transfer.

**Highlights:** Trip details (Tripsheet, Flightlog, Itinerary), Crew grid for non-flight activity, Access to PFM databases, Fuel pricing and time/distance calculator, Paperless flight log posting, Datalink and SATCOM Direct interface, Crew notification acknowledgements

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

**In-app purchases:** none


### The Tail Sniffer

[App page](https://appshunter.io/ios/app/the-tail-sniffer/id6761208632)

This platform provides real-time aircraft tracking for aviation professionals, including access to data hidden from other services. Monitor your fleet, receive notifications, and review flight history with detailed maps and export options.

**Highlights:** Real-time ADS-B aircraft tracking, LADD-restricted aircraft tracking, Interactive dark-themed fleet map, Automatic departure/arrival detection, Email notifications, Flight history with route replay, Multi-user access

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +10 aircraft | $1.49 | per month |
| +20 aircraft | $2.99 | per month |
| +30 aircraft | $4.49 | per month |
| Pro | $5.99 | per month |
| LADD add-on | $5.99 | per month |
| +50 aircraft | $7.49 | per month |
| Pro (yearly) | $49.99 | per year |


## Frequently asked questions

### Is PFM App free?

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

### Is The Tail Sniffer free?

The Tail Sniffer is free to download, with in-app purchases available.

### Which has better reviews, PFM App or The Tail Sniffer?

The Tail Sniffer is rated higher. PFM App averages 1.0 out of 5 from 1 ratings, while The Tail Sniffer averages 5.0 from 14 ratings.

### Do PFM App or The Tail Sniffer have ads?

The Tail Sniffer shows ads; PFM App does not.

### Which is updated more often, PFM App or The Tail Sniffer?

PFM App ships an update every 2 weeks, and The Tail Sniffer every 9 days. Most recently, PFM App was updated on November 5, 2026 and The Tail Sniffer on November 5, 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.*