# FuelTech Datalog Viewer vs Patch Utilities

The clearest difference is price: FuelTech Datalog Viewer at Free against Patch Utilities's $1.99. FuelTech Datalog Viewer also leads on iOS requirement (9.3 vs 16.6). Patch Utilities's advantage is update cadence (fortnightly vs every 9 months) and rating (5.0 vs 4.8). On ratings volume, ads, in-app purchases and device support there is nothing between them.

FuelTech Datalog Viewer is free to download; Patch Utilities costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Patch Utilities holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

FuelTech Datalog Viewer ships an update every 9 months, Patch Utilities fortnightly. The most recent releases landed on June 5, 2026 and July 6, 2026 respectively.

## The numbers

| Metric | FuelTech Datalog Viewer | Patch Utilities |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.8 (4 ratings)](https://appshunter.io/ios/app/fueltech-datalog-viewer/id1303811774/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/patch-utilities/id6504952483/reviews)** |
| Number of ratings | **4** | 2 |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Fortnightly** |
| Monetization | **Free** | Paid |
| Size | 168 MB | 27 MB |
| Requires iOS | **9.3** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [FuelTech](https://appshunter.io/developer/519474170) | [Shawn Revels](https://appshunter.io/developer/1429958152) |

## What reviewers say

### FuelTech Datalog Viewer

[App page](https://appshunter.io/ios/app/fueltech-datalog-viewer/id1303811774)

Analyze engine data logs from compatible FuelTech ECUs on your mobile device. View up to four channels simultaneously for quick data analysis and check status events for errors. Log files must be transferred to the device manually.

**Highlights:** View up to 4 recorded channels simultaneously, Quick data analysis, Check status events for errors, Supports FT450, FT500, FT500LITE, FT550, FT550LITE, FT600 models, Log file viewer for phone/tablet

**Features:** macOS Compatibility

**In-app purchases:** none


### Patch Utilities

[App page](https://appshunter.io/ios/app/patch-utilities/id6504952483)

This app provides oilfield professionals with a suite of tools for unit conversions, complex calculations, tank tracking, and documentation. It includes a terminology glossary, quiz section, and downloadable JHA sheets to enhance efficiency and safety on-site or in the office.

**Highlights:** Oilfield terminology quiz with leaderboards, Specialized unit conversion tools, Advanced calculators for oilfield operations, Tank water level tracking, Operational notes and documentation, Comprehensive oilfield handbook, Customizable Job Hazard Analysis (JHA) sheets

**In-app purchases:** none


## Frequently asked questions

### Is FuelTech Datalog Viewer free?

FuelTech Datalog Viewer is free to download, with no in-app purchases.

### Is Patch Utilities free?

Patch Utilities costs $1.99, with no in-app purchases.

### Which has better reviews, FuelTech Datalog Viewer or Patch Utilities?

Patch Utilities is rated higher. FuelTech Datalog Viewer averages 4.8 out of 5 from 4 ratings, while Patch Utilities averages 5.0 from 2 ratings.

### Do FuelTech Datalog Viewer or Patch Utilities have ads?

Neither FuelTech Datalog Viewer nor Patch Utilities shows ads.

### Which is updated more often, FuelTech Datalog Viewer or Patch Utilities?

FuelTech Datalog Viewer ships an update every 9 months, and Patch Utilities fortnightly. Most recently, FuelTech Datalog Viewer was updated on June 5, 2026 and Patch Utilities on July 6, 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.*