# Field Contact Scanner vs TopInfrared

The clearest difference is price: TopInfrared at Free against Field Contact Scanner's $2.99. TopInfrared also leads on update cadence (every 3 weeks vs every 4 months) and ratings volume (52 vs 1). Field Contact Scanner's advantage is rating (4.0 vs 3.5) and in-app purchases (none vs 1). On ads and device support there is nothing between them.

TopInfrared is free to download; Field Contact Scanner costs $2.99 up front. TopInfrared sells 1 one-off in-app purchase. Field Contact Scanner asks for nothing beyond the download.

Field Contact Scanner holds the better App Store score, 4.0 against 3.5. That said, the two scores are not equally well evidenced: TopInfrared has 52 ratings behind it against 1, so its average is the more settled of the two.

Field Contact Scanner ships an update every 4 months, TopInfrared every 3 weeks. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Field Contact Scanner | TopInfrared |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/field-contact-scanner/id1448766216/reviews)** | [3.5 (52 ratings)](https://appshunter.io/ios/app/topinfrared/id6452017744/reviews) |
| Number of ratings | 1 | **52** |
| Positive reviews | — | 39.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 0 MB | 518 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shane Burrell](https://appshunter.io/developer/826492944) | [HK TOPDON TECHNOLOGY Co., LIMITED](https://appshunter.io/developer/1846276192) |

## What reviewers say

### Field Contact Scanner

[App page](https://appshunter.io/ios/app/field-contact-scanner/id1448766216)

This app scans barcodes from US state IDs to log contact information and encounter locations. It can also store photos of contacts for later reference, making it a quick tool for documenting interactions. Useful for various professional and personal documentation needs.

**Highlights:** Scan US state ID barcodes, Log encoded information, Geocode encounter locations, Store contact photos, Quick contact collection, Document interactions

**Features:** macOS Compatibility

**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 Field Contact Scanner free?

Field Contact Scanner costs $2.99, with no in-app purchases.

### Is TopInfrared free?

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

### Which has better reviews, Field Contact Scanner or TopInfrared?

Field Contact Scanner is rated higher. Field Contact Scanner averages 4.0 out of 5 from 1 ratings, while TopInfrared averages 3.5 from 52 ratings.

### Do Field Contact Scanner or TopInfrared have ads?

Neither Field Contact Scanner nor TopInfrared shows ads.

### Which is updated more often, Field Contact Scanner or TopInfrared?

Field Contact Scanner ships an update every 4 months, and TopInfrared every 3 weeks. Most recently, Field Contact Scanner was updated on November 2, 2026 and TopInfrared on November 7, 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.*