# Temp Master vs FieldOps

The clearest difference is review sentiment: FieldOps at 100% against Temp Master's 40%. FieldOps also leads on rating (5.0 vs 3.2) and update cadence (every 3 days vs every 5 weeks). Temp Master's advantage is ratings volume (12 vs 1) and device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

FieldOps holds the better App Store score, 5.0 against 3.2. That said, the two scores are not equally well evidenced: Temp Master has 12 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 40% of Temp Master's written reviews are positive against 100% of FieldOps's.

Temp Master ships an update every 5 weeks, FieldOps every 3 days. The most recent releases landed on October 1, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Temp Master | FieldOps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (12 ratings)](https://appshunter.io/ios/app/temp-master/id6737321665/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fieldops-notes/id6784761238/reviews)** |
| Number of ratings | **12** | 1 |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Monetization | Free | Free |
| Size | 43 MB | 35 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Thermal Master Technology Co.,Ltd.](https://appshunter.io/developer/1770222118) | [Reinform, Inc.](https://appshunter.io/developer/1257235124) |

## What reviewers say

### Temp Master

[App page](https://appshunter.io/ios/app/temp-master/id6737321665)

This utility app enhances thermal imaging capabilities for compatible Thermal Master devices, offering precise temperature detection and advanced image analysis. It allows users to view, save, and export thermal data offline, with features like digital zoom and improved resolution for various inspection tasks.

**Highlights:** High-accuracy temperature detection, Enhanced infrared resolution, Offline data viewing and export, Up to 15x digital zoom, Reduced background noise, Long battery life optimization

**Features:** macOS Compatibility

**In-app purchases:** none


### FieldOps

[App page](https://appshunter.io/ios/app/fieldops-notes/id6784761238)

This app transforms door-to-door interactions into valuable data for sales and canvassing teams. It allows representatives to efficiently record insights, manage household information, and automate follow-up actions directly from the field.

**Highlights:** Capture insights at every door visit, Convert field notes to structured data, Create custom fields, Record visit outcomes, Organize activity, Streamline door-to-door workflow

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

**In-app purchases:** none


## Frequently asked questions

### Is Temp Master free?

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

### Is FieldOps free?

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

### Which has better reviews, Temp Master or FieldOps?

FieldOps is rated higher. Temp Master averages 3.2 out of 5 from 12 ratings, while FieldOps averages 5.0 from 1 ratings.

### Do Temp Master or FieldOps have ads?

Neither Temp Master nor FieldOps shows ads.

### Which is updated more often, Temp Master or FieldOps?

Temp Master ships an update every 5 weeks, and FieldOps every 3 days. Most recently, Temp Master was updated on October 1, 2026 and FieldOps on October 3, 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.*