# AirCompare™ vs ShotLine TMS

The clearest difference is update cadence: ShotLine TMS at every 2 weeks against AirCompare™'s every 3 months. ShotLine TMS also leads on iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

AirCompare™ ships an update every 3 months, ShotLine TMS every 2 weeks. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | AirCompare™ | ShotLine TMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/aircompare/id1265636598/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 7 MB | 41 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Wayne Henderson](https://appshunter.io/developer/1265636597) | [ITOFROM](https://appshunter.io/developer/1699328880) |

## What reviewers say

### AirCompare™

[App page](https://appshunter.io/ios/app/aircompare/id1265636598)

Optimize home energy usage and save money with smart ventilation and thermostat control. This app analyzes indoor and outdoor air quality, local weather, and electricity rates to automatically adjust your HomeKit-enabled devices for optimal comfort and cost savings.

**Highlights:** Ventilation controller, Thermostat controller, Automatic HomeKit device control, Energy consumption reduction, Weather and electricity rate analysis, Customizable rain sensitivity

**Features:** macOS Compatibility

**In-app purchases:** none


### ShotLine TMS

[App page](https://appshunter.io/ios/app/shotline-tms/id6453409813)

**In-app purchases:** none


## Frequently asked questions

### Is AirCompare™ free?

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

### Is ShotLine TMS free?

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

### Do AirCompare™ or ShotLine TMS have ads?

Neither AirCompare™ nor ShotLine TMS shows ads.

### Which is updated more often, AirCompare™ or ShotLine TMS?

AirCompare™ ships an update every 3 months, and ShotLine TMS every 2 weeks. Most recently, AirCompare™ was updated on October 24, 2026 and ShotLine TMS on October 27, 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.*