# Bullion DNA Authenticator vs Certi

The clearest difference is update cadence: Certi at every 3 days against Bullion DNA Authenticator's every 18 months. Certi also leads on rating (4.2 vs 4.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Certi holds the better App Store score, 4.2 against 4.0. Both are backed by a comparable volume of ratings — 2 and 5 respectively.

Bullion DNA Authenticator ships an update every 18 months, Certi every 3 days. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Bullion DNA Authenticator | Certi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/bullion-dna-authenticator/id1551161142/reviews) | **[4.2 (5 ratings)](https://appshunter.io/ios/app/certi-lock/id6745152014/reviews)** |
| Number of ratings | 2 | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 3 days** |
| Monetization | Free | Free |
| Size | 44 MB | 39 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Royal Canadian Mint](https://appshunter.io/developer/557608823) | [Scottsdale Mint LLLP](https://appshunter.io/developer/1078693720) |

## What reviewers say

### Bullion DNA Authenticator

[App page](https://appshunter.io/ios/app/bullion-dna-authenticator/id1551161142)

This free finance app allows bullion vaults to verify the authenticity of specific gold bars produced by the Royal Canadian Mint. A license key is required for access. Contact the provided email for more information.

**Highlights:** Authenticity verification for gold bars, Supports 1kg and 400oz gold bars, Developed by the Royal Canadian Mint, Requires a license key for use, Contact support for inquiries

**Features:** macOS Compatibility

**In-app purchases:** none


### Certi

[App page](https://appshunter.io/ios/app/certi-lock/id6745152014)

This app uses synthetic DNA technology to authenticate precious metals, providing instant verification of gold and silver investments. Scan a card to see factory-sealed photos and confirm the authenticity of your items, ensuring peace of mind for investors.

**Highlights:** Synthetic DNA authentication, Barcode scanning, Factory-sealed product photos, Tamper-evident seal verification, Collection tracking, Instant results, Dark mode

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bullion DNA Authenticator free?

Bullion DNA Authenticator is free to download, with no in-app purchases.

### Is Certi free?

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

### Which has better reviews, Bullion DNA Authenticator or Certi?

Certi is rated higher. Bullion DNA Authenticator averages 4.0 out of 5 from 2 ratings, while Certi averages 4.2 from 5 ratings.

### Do Bullion DNA Authenticator or Certi have ads?

Neither Bullion DNA Authenticator nor Certi shows ads.

### Which is updated more often, Bullion DNA Authenticator or Certi?

Bullion DNA Authenticator ships an update every 18 months, and Certi every 3 days. Most recently, Bullion DNA Authenticator was updated on October 10, 2026 and Certi on October 24, 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.*