# QSpec vs Fenceline Pro

The clearest difference is rating: Fenceline Pro at 4.7 against QSpec's 4.0. Fenceline Pro also leads on update cadence (every 3 months vs every 15 months) and iOS requirement (13.0 vs 18.0). On price, ratings volume, 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.

Fenceline Pro holds the better App Store score, 4.7 against 4.0. Both are backed by a comparable volume of ratings — 6 and 3 respectively.

QSpec ships an update every 15 months, Fenceline Pro every 3 months. Both last shipped on November 6, 2026.

## The numbers

| Metric | QSpec | Fenceline Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (6 ratings)](https://appshunter.io/ios/app/qspec/id1155111447/reviews) | **[4.7 (3 ratings)](https://appshunter.io/ios/app/fenceline-pro/id1256000688/reviews)** |
| Number of ratings | **6** | 3 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 36 MB | 13 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Linde GmbH](https://appshunter.io/developer/657403417) | [Trihydro Corporation](https://appshunter.io/developer/920601995) |

## What reviewers say

### QSpec

[App page](https://appshunter.io/ios/app/qspec/id1155111447)

This app helps manage gas cylinder inventory, track blend components, and monitor expiration dates for optimal process performance. It simplifies cylinder tracking and provides on-demand electronic Certificates of Analysis.

**Highlights:** Scan and store cylinder information, Track blend expiration dates, Set expiration alerts, Retrieve and email ECOAs, Create and email reorder lists, Assign cylinders to locations

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

**In-app purchases:** none


### Fenceline Pro

[App page](https://appshunter.io/ios/app/fenceline-pro/id1256000688)

This utility app assists teams in capturing, storing, and reporting data specifically for fenceline monitoring. It streamlines the process of collecting and managing information related to environmental observations.

**Highlights:** Data capture for fenceline monitoring, Secure data storage, Reporting tools, Team collaboration features, Environmental data management

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

**In-app purchases:** none


## Frequently asked questions

### Is QSpec free?

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

### Is Fenceline Pro free?

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

### Which has better reviews, QSpec or Fenceline Pro?

Fenceline Pro is rated higher. QSpec averages 4.0 out of 5 from 6 ratings, while Fenceline Pro averages 4.7 from 3 ratings.

### Do QSpec or Fenceline Pro have ads?

Neither QSpec nor Fenceline Pro shows ads.

### Which is updated more often, QSpec or Fenceline Pro?

QSpec ships an update every 15 months, and Fenceline Pro every 3 months. Most recently, QSpec was updated on November 6, 2026 and Fenceline Pro on November 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.*