# Thermoscreens vs AIMS ENGINEER

The clearest difference is update cadence: AIMS ENGINEER at weekly against Thermoscreens's every 38 months. Thermoscreens's advantage is iOS requirement (12.0 vs 14.0). 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.

Thermoscreens ships an update every 38 months, AIMS ENGINEER weekly. The most recent releases landed on May 16, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Thermoscreens | AIMS ENGINEER |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Weekly** |
| Size | 172 MB | 31 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [BIDDLE AIR SYSTEMS LIMITED](https://appshunter.io/developer/1605578286) | [Zhimeng Huang](https://appshunter.io/developer/550876452) |

## What reviewers say

### Thermoscreens

[App page](https://appshunter.io/ios/app/thermoscreens/id1605577542)

**In-app purchases:** none


### AIMS ENGINEER

[App page](https://appshunter.io/ios/app/aims-engineer/id6450314064)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Thermoscreens free?

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

### Is AIMS ENGINEER free?

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

### Do Thermoscreens or AIMS ENGINEER have ads?

Neither Thermoscreens nor AIMS ENGINEER shows ads.

### Which is updated more often, Thermoscreens or AIMS ENGINEER?

Thermoscreens ships an update every 38 months, and AIMS ENGINEER weekly. Most recently, Thermoscreens was updated on May 16, 2026 and AIMS ENGINEER on September 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.*