# Temp Master vs PoolCheck

The clearest difference is review sentiment: PoolCheck at 100% against Temp Master's 40%. PoolCheck also leads on rating (5.0 vs 3.1) and update cadence (fortnightly vs every 5 weeks). Temp Master's advantage is in-app purchases (none vs 1) and ratings volume (14 vs 2). On price, ads and device support there is nothing between them.

Both are free to download. PoolCheck sells 1 one-off in-app purchase. Temp Master asks for nothing beyond the download.

PoolCheck holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: Temp Master has 14 ratings behind it against 2, 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 PoolCheck's.

Temp Master ships an update every 5 weeks, PoolCheck fortnightly. The most recent releases landed on November 4, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Temp Master | PoolCheck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (14 ratings)](https://appshunter.io/ios/app/temp-master/id6737321665/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/poolcheck-strip-reader/id6807818685/reviews)** |
| Number of ratings | **14** | 2 |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 43 MB | 3 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thermal Master Technology Co.,Ltd.](https://appshunter.io/developer/1770222118) | [Christopher Daniels](https://appshunter.io/developer/6807818687) |

## 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


### PoolCheck

[App page](https://appshunter.io/ios/app/poolcheck-strip-reader/id6807818685)

Easily test your pool or spa water by photographing your test strips. Get clear chemical dosing instructions, including product amounts and order, to maintain optimal water balance. This app offers a private, ad-free experience with optional in-app purchase to remove ads.

**Highlights:** Photograph test strips for automatic reading, Chemical dose calculator with step-by-step plans, Calculates gallons from pool dimensions, Tracks test history and local weather forecasts, Supports various pool types and finishes, Private by design, no account required

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Temp Master free?

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

### Is PoolCheck free?

PoolCheck is free to download, with in-app purchases available.

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

PoolCheck is rated higher. Temp Master averages 3.1 out of 5 from 14 ratings, while PoolCheck averages 5.0 from 2 ratings.

### Do Temp Master or PoolCheck have ads?

Neither Temp Master nor PoolCheck shows ads.

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

Temp Master ships an update every 5 weeks, and PoolCheck fortnightly. Most recently, Temp Master was updated on November 4, 2026 and PoolCheck on November 13, 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.*