# Digi vs TopInfrared

The clearest difference is rating: Digi at 4.7 against TopInfrared's 3.5. Digi also leads on monetization model (free vs free with in-app purchases) and review sentiment (50% vs 40%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Digi sells 1 one-off in-app purchase and TopInfrared sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Digi holds the better App Store score, 4.7 against 3.5. Both are backed by a comparable volume of ratings — 58 and 52 respectively. Written reviews point the same way: 50% of Digi's written reviews are positive against 40% of TopInfrared's.

Digi ships an update every 6 weeks, TopInfrared every 3 weeks. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Digi | TopInfrared |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (58 ratings)](https://appshunter.io/ios/app/digi-pas-machinist-level/id1248160923/reviews)** | [3.5 (52 ratings)](https://appshunter.io/ios/app/topinfrared/id6452017744/reviews) |
| Number of ratings | **58** | 52 |
| Positive reviews | **50.0% of reviews** | 39.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 189 MB | 518 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JSB Tech](https://appshunter.io/developer/1062517704) | [HK TOPDON TECHNOLOGY Co., LIMITED](https://appshunter.io/developer/1846276192) |

## What reviewers say

### Digi

[App page](https://appshunter.io/ios/app/digi-pas-machinist-level/id1248160923)

This app enhances the functionality of specific digital machinist levels by enabling wireless Bluetooth connectivity. It allows for simultaneous 2-axis leveling, angle measurement, and 2D alignment, transforming complex tasks into efficient single-person operations.

**Highlights:** Wireless Bluetooth connectivity, 2-Axis simultaneous leveling, Angle measurement, 2D concurrent alignment, Single-person operation, Compatible with multiple Digi-Pas models

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Version | $19.99 | one-time |


### 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 Digi free?

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

### Is TopInfrared free?

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

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

Digi is rated higher. Digi averages 4.7 out of 5 from 58 ratings, while TopInfrared averages 3.5 from 52 ratings.

### Do Digi or TopInfrared have ads?

Neither Digi nor TopInfrared shows ads.

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

Digi ships an update every 6 weeks, and TopInfrared every 3 weeks. Most recently, Digi was updated on November 2, 2026 and TopInfrared on November 5, 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.*