# Sterling vs Stack Tracker

The clearest difference is in-app purchases: Sterling at none against Stack Tracker's 1. Sterling also leads on update cadence (every 9 days vs every 2 months). Stack Tracker's advantage is iOS requirement (17.0 vs 26.5). On price, ads and device support there is nothing between them.

Both are free to download. Stack Tracker sells 1 one-off in-app purchase. Sterling asks for nothing beyond the download.

Sterling ships an update every 9 days, Stack Tracker every 2 months. The most recent releases landed on September 26, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Sterling | Stack Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (10 ratings)](https://appshunter.io/ios/app/stack-tracker-metals-vault/id6779448688/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 83.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 3 MB |
| Requires iOS | 26.5 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TIEN NGUYEN KHAC](https://appshunter.io/developer/6772946491) | [Johnny Cox](https://appshunter.io/developer/548896302) |

## What reviewers say

### Sterling

[App page](https://appshunter.io/ios/app/sterling-precious-metals/id6772946489)

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

**In-app purchases:** none


### Stack Tracker

[App page](https://appshunter.io/ios/app/stack-tracker-metals-vault/id6779448688)

Manage your precious metals collection privately on your device. Track portfolio value, gains, and premiums with detailed item information and historical data. Includes numismatic support and data export options.

**Highlights:** Private collection vault, Portfolio value and gain/loss tracking, Numismatic item support, Customizable item details, Data import/export, Offline data storage

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stack Tracker Unlimited | $4.99 | one-time |


## Frequently asked questions

### Is Sterling free?

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

### Is Stack Tracker free?

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

### Do Sterling or Stack Tracker have ads?

Neither Sterling nor Stack Tracker shows ads.

### Which is updated more often, Sterling or Stack Tracker?

Sterling ships an update every 9 days, and Stack Tracker every 2 months. Most recently, Sterling was updated on September 26, 2026 and Stack Tracker on October 8, 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.*