# Ounces vs Certi

The clearest difference is ads: Certi at none against Ounces's shown. Certi also leads on rating (4.2 vs 3.8) and update cadence (every 3 days vs fortnightly). On price, review sentiment, ratings volume 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 3.8. Both are backed by a comparable volume of ratings — 6 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Ounces ships an update fortnightly, Certi every 3 days. The most recent releases landed on September 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Ounces | Certi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (6 ratings)](https://appshunter.io/ios/app/ounces-precious-metals/id6504366997/reviews) | **[4.2 (5 ratings)](https://appshunter.io/ios/app/certi-lock/id6745152014/reviews)** |
| Number of ratings | **6** | 5 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Ad-supported | **Free** |
| Size | 6 MB | 39 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tyler Marsh](https://appshunter.io/developer/1751980273) | [Scottsdale Mint LLLP](https://appshunter.io/developer/1078693720) |

## What reviewers say

### Ounces

[App page](https://appshunter.io/ios/app/ounces-precious-metals/id6504366997)

Track your precious metals portfolio with this app designed for collectors. Monitor prices, market value, and the weight of your holdings. Set personal goals and compare your stack to others.

**Highlights:** Track precious metals holdings, Monitor prices and ratios, View market value and weighting, Compare stack size with whale scale, Set portfolio goals

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

**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 Ounces free?

Ounces 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, Ounces or Certi?

Certi is rated higher. Ounces averages 3.8 out of 5 from 6 ratings, while Certi averages 4.2 from 5 ratings.

### Do Ounces or Certi have ads?

Ounces shows ads; Certi does not.

### Which is updated more often, Ounces or Certi?

Ounces ships an update fortnightly, and Certi every 3 days. Most recently, Ounces was updated on September 27, 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.*