# REED Smart Series vs Temp Master

The clearest difference is iOS requirement: Temp Master at 11.0 against REED Smart Series's 13.0. 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.

REED Smart Series ships an update monthly, Temp Master every 5 weeks. The most recent releases landed on October 6, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | REED Smart Series | Temp Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.2 (12 ratings)](https://appshunter.io/ios/app/temp-master/id6737321665/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | — | Free |
| Size | 8 MB | 43 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Instruments I.T.M. Inc, Les](https://appshunter.io/developer/1584606189) | [Thermal Master Technology Co.,Ltd.](https://appshunter.io/developer/1770222118) |

## What reviewers say

### REED Smart Series

[App page](https://appshunter.io/ios/app/reed-smart-series/id1584606187)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is REED Smart Series free?

REED Smart Series is free to download, with no in-app purchases.

### Is Temp Master free?

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

### Do REED Smart Series or Temp Master have ads?

Neither REED Smart Series nor Temp Master shows ads.

### Which is updated more often, REED Smart Series or Temp Master?

REED Smart Series ships an update monthly, and Temp Master every 5 weeks. Most recently, REED Smart Series was updated on October 6, 2026 and Temp Master on October 17, 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.*