# BLK2GO Live vs testo Smart

The clearest difference is review sentiment: BLK2GO Live at 100% against testo Smart's 17%. BLK2GO Live also leads on rating (4.0 vs 2.7) and in-app purchases (none vs 5). testo Smart's advantage is ratings volume (170 vs 4) and update cadence (every 2 months vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. testo Smart sells 5 in-app purchases, starting at $6.99 per month. BLK2GO Live asks for nothing beyond the download.

BLK2GO Live holds the better App Store score, 4.0 against 2.7. That said, the two scores are not equally well evidenced: testo Smart has 170 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 100% of BLK2GO Live's written reviews are positive against 17% of testo Smart's.

BLK2GO Live ships an update every 5 months, testo Smart every 2 months. The most recent releases landed on November 2, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | BLK2GO Live | testo Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/blk2go-live/id1453130813/reviews)** | [2.7 (170 ratings)](https://appshunter.io/ios/app/testo-smart/id1482139629/reviews) |
| Number of ratings | 4 | **170** |
| Positive reviews | **100.0% of reviews** | 16.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 225 MB | 195 MB |
| Requires iOS | **12.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Leica Geosystems AG](https://appshunter.io/developer/532477810) | [Testo SE & Co. KGaA](https://appshunter.io/developer/966489178) |

## What reviewers say

### BLK2GO Live

[App page](https://appshunter.io/ios/app/blk2go-live/id1453130813)

Visualize 2D and 3D scans in real-time with high-resolution images. Monitor device status like battery and storage. Manage and view existing scans directly from your mobile device.

**Highlights:** Live 2D and 3D scanning visualization, High-resolution image capture, Device status monitoring (battery, storage), Image visualization of existing scans, Scan management

**Features:** Vision Pro support

**In-app purchases:** none


### testo Smart

[App page](https://appshunter.io/ios/app/testo-smart/id1482139629)

This app supports measurements for refrigeration, HVAC, and heating systems. It also aids in food safety, frying oil quality, and indoor climate monitoring. Quickly interpret data, create digital reports with photos, and send them via email.

**Highlights:** All-in-one system measurements, Graphical display of measured values, Digital PDF/CSV measurement reports, Email report sharing, Leak test analysis, Automatic refrigerant charging, Indoor air quality monitoring

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Multi-site measurement | $6.99 | per month |
| Air balancing | $9.99 | per month |
| Multi-site measurement | $69.90 | per year |
| Air balancing | $99.90 | per year |
| Logging digital manifold | $44.99 | one-time |

**What reviewers like**

- 👍 Good app with some features
- 🚀 Great product
- 🚀 Useful app for measurements

**What reviewers complain about**

- 🐛 App won't connect
- 🐛 Connectivity issues
- 🐛 Unreliable connection
- 🐛 Forced updates
- 🐛 Laggy and unresponsive UI

**Reported bugs**

- App won't connect to devices
- Compatibility issues with newer iOS versions
- Frequent crashes and freezes
- Inability to save favorite refrigerants
- Measurement data not displaying properly

**Requested features**

- Add option to toggle Bluetooth discovery
- Improve Bluetooth range
- Add ability to customize colors and graphs
- Improve data export functionality
- Add option to name sensors


## Frequently asked questions

### Is BLK2GO Live free?

BLK2GO Live is free to download, with no in-app purchases.

### Is testo Smart free?

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

### Which has better reviews, BLK2GO Live or testo Smart?

BLK2GO Live is rated higher. BLK2GO Live averages 4.0 out of 5 from 4 ratings, while testo Smart averages 2.7 from 170 ratings.

### Do BLK2GO Live or testo Smart have ads?

Neither BLK2GO Live nor testo Smart shows ads.

### Which is updated more often, BLK2GO Live or testo Smart?

BLK2GO Live ships an update every 5 months, and testo Smart every 2 months. Most recently, BLK2GO Live was updated on November 2, 2026 and testo Smart on November 12, 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.*