# PrimeFMS vs Trailmark (7.0)

The clearest difference is iOS requirement: PrimeFMS at 13.0 against Trailmark (7.0)'s 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PrimeFMS ships an update every 3 weeks, Trailmark (7.0) fortnightly. The most recent releases landed on August 23, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | PrimeFMS | Trailmark (7.0) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 95 MB | 68 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [inCust Ltd.](https://appshunter.io/developer/1348796208) | [Trailmark Systems](https://appshunter.io/developer/1271217811) |

## What reviewers say

### PrimeFMS

[App page](https://appshunter.io/ios/app/primefms/id1503658397)

This app allows users to locate nearby fuel stations and pay for fuel directly through their mobile device. It offers a convenient way to manage refueling at participating locations worldwide.

**Highlights:** Locate nearest fuel stations, Pay for fuel via app, Global PRIME location support, Map Dashboard view, Convenient refueling

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

**In-app purchases:** none


### Trailmark (7.0)

[App page](https://appshunter.io/ios/app/trailmark-70/id6478794777)

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

**In-app purchases:** none


## Frequently asked questions

### Is PrimeFMS free?

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

### Is Trailmark (7.0) free?

Trailmark (7.0) is free to download, with no in-app purchases.

### Do PrimeFMS or Trailmark (7.0) have ads?

Neither PrimeFMS nor Trailmark (7.0) shows ads.

### Which is updated more often, PrimeFMS or Trailmark (7.0)?

PrimeFMS ships an update every 3 weeks, and Trailmark (7.0) fortnightly. Most recently, PrimeFMS was updated on August 23, 2026 and Trailmark (7.0) on September 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.*