# MultiSens vs TopInfrared

The clearest difference is rating: MultiSens at 5.0 against TopInfrared's 3.5. MultiSens also leads on in-app purchases (none vs 1). TopInfrared's advantage is update cadence (every 3 weeks vs every 2 months) and ratings volume (48 vs 3). On price, ads and device support there is nothing between them.

Both are free to download. TopInfrared sells 1 one-off in-app purchase. MultiSens asks for nothing beyond the download.

MultiSens holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: TopInfrared has 48 ratings behind it against 3, so its average is the more settled of the two.

MultiSens ships an update every 2 months, TopInfrared every 3 weeks. The most recent releases landed on June 5, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | MultiSens | TopInfrared |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/multisens-1234/id1533837949/reviews)** | [3.5 (48 ratings)](https://appshunter.io/ios/app/topinfrared/id6452017744/reviews) |
| Number of ratings | 3 | **48** |
| Positive reviews | — | 39.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 99 MB | 518 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sensos, LLC](https://appshunter.io/developer/1533837951) | [HK TOPDON TECHNOLOGY Co., LIMITED](https://appshunter.io/developer/1846276192) |

## What reviewers say

### MultiSens

[App page](https://appshunter.io/ios/app/multisens-1234/id1533837949)

This application allows users to test various machine condition monitoring sensors. It connects to sensors, displays Time Waveform and Vibration Spectrum graphs, and auto-calibrates for data acquisition.

**Highlights:** Test machine condition monitoring sensors, Connect to sensors, Plot Time Waveform graph, Plot Vibration Spectrum (Acceleration, dB, Velocity), Auto-calibrate to sensors, Data acquisition with adjustable sampling rates and sample counts

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

**In-app purchases:** none


### TopInfrared

[App page](https://appshunter.io/ios/app/topinfrared/id6452017744)

This thermal imaging camera app provides high-resolution thermal images for precise temperature detection. It's ideal for inspecting insulation, examining electronics, and identifying heat loss with excellent accuracy and sensitivity.

**Highlights:** High-resolution thermal imaging (256x192), Precise temperature detection, Insulation inspection, Circuit board examination, High heat sensitivity (40mk), Low power consumption

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Features | $19.99 | one-time |


## Frequently asked questions

### Is MultiSens free?

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

### Is TopInfrared free?

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

### Which has better reviews, MultiSens or TopInfrared?

MultiSens is rated higher. MultiSens averages 5.0 out of 5 from 3 ratings, while TopInfrared averages 3.5 from 48 ratings.

### Do MultiSens or TopInfrared have ads?

Neither MultiSens nor TopInfrared shows ads.

### Which is updated more often, MultiSens or TopInfrared?

MultiSens ships an update every 2 months, and TopInfrared every 3 weeks. Most recently, MultiSens was updated on June 5, 2026 and TopInfrared on September 23, 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.*