# ONYX Touchless Fingerprinting vs Keep in Memory

The clearest difference is price: ONYX Touchless Fingerprinting at Free against Keep in Memory's $0.99. ONYX Touchless Fingerprinting also leads on device support (3 vs 1) and iOS requirement (13.0 vs 26.2). Keep in Memory's advantage is update cadence (every 3 days vs every 5 months). On ads and in-app purchases there is nothing between them.

ONYX Touchless Fingerprinting is free to download; Keep in Memory costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ONYX Touchless Fingerprinting ships an update every 5 months, Keep in Memory every 3 days. The most recent releases landed on October 24, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | ONYX Touchless Fingerprinting | Keep in Memory |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/onyx-touchless-fingerprinting/id1401479488/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 36 MB | 1 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Diamond Fortress Technologies I](https://appshunter.io/developer/840250593) | [MUSTAFA KEMAL DEMIR](https://appshunter.io/developer/1883646654) |

## What reviewers say

### ONYX Touchless Fingerprinting

[App page](https://appshunter.io/ios/app/onyx-touchless-fingerprinting/id1401479488)

Capture and process fingerprints using your device's camera to create FBI-quality digital images. These images can be used for various purposes, including submission to fingerprint systems, identity verification, and authentication.

**Highlights:** Uses rear-facing camera for fingerprint capture, Generates FBI-quality digital fingerprint images, Supports submission to automated fingerprint systems, Enables identity verification and authentication, Manipulates ONYX® version 8 configuration options, Displays results screen with imagery output

**Features:** macOS Compatibility

**In-app purchases:** none


### Keep in Memory

[App page](https://appshunter.io/ios/app/keep-in-memory/id6760288596)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ONYX Touchless Fingerprinting free?

ONYX Touchless Fingerprinting is free to download, with no in-app purchases.

### Is Keep in Memory free?

Keep in Memory costs $0.99, with no in-app purchases.

### Do ONYX Touchless Fingerprinting or Keep in Memory have ads?

Neither ONYX Touchless Fingerprinting nor Keep in Memory shows ads.

### Which is updated more often, ONYX Touchless Fingerprinting or Keep in Memory?

ONYX Touchless Fingerprinting ships an update every 5 months, and Keep in Memory every 3 days. Most recently, ONYX Touchless Fingerprinting was updated on October 24, 2026 and Keep in Memory on September 28, 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.*