# Reverse Efficient Frontier App vs Gold Tracker

The clearest difference is update cadence: Gold Tracker at every 2 weeks against Reverse Efficient Frontier App's every 10 months. Reverse Efficient Frontier App's advantage is device support (3 vs 1). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Reverse Efficient Frontier App sells 2 in-app purchases, starting at $9.99 per month and Gold Tracker sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Reverse Efficient Frontier App against 5.0 for Gold Tracker. Both are backed by a comparable volume of ratings — 3 and 8 respectively.

Reverse Efficient Frontier App ships an update every 10 months, Gold Tracker every 2 weeks. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Reverse Efficient Frontier App | Gold Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/reverse-efficient-frontier-app/id6748159202/reviews) | [5.0 (8 ratings)](https://appshunter.io/ios/app/gold-tracker-gold-price-live/id6758886808/reviews) |
| Number of ratings | 3 | **8** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 34 MB | 25 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Aula Dluseyi Olowiwee](https://appshunter.io/developer/1773135198) | [Rustem Akhmetov](https://appshunter.io/developer/1875531095) |

## What reviewers say

### Reverse Efficient Frontier App

[App page](https://appshunter.io/ios/app/reverse-efficient-frontier-app/id6748159202)

This app helps investors build optimal S&P 500 portfolios by defining desired returns and risk levels. It visualizes allocations and provides data-driven insights for smarter investment decisions.

**Highlights:** Reverse Efficient Frontier Optimization, S&P 500 Stock Universe, Interactive Frontier Visualization, Detailed Allocation Pie Chart, Modern Design, Educational Content

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $9.99 | per month |
| Premium Yearly | $99.99 | per year |


### Gold Tracker

[App page](https://appshunter.io/ios/app/gold-tracker-gold-price-live/id6758886808)

Monitor real-time prices for gold, silver, platinum, and palladium in various currencies and units. Receive customizable alerts for price changes and explore historical data to understand market trends. Get reliable market insights with an intuitive interface.

**Highlights:** Real-time precious metal prices, Customizable price alerts, Multiple currencies and weight units, Historical price data, Intuitive interface, Price sharing

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MetalPrice Weekly | $3.99 | per 7 days |
| MetalPrice Yearly | $29.99 | per year |


## Frequently asked questions

### Is Reverse Efficient Frontier App free?

Reverse Efficient Frontier App is free to download, with in-app purchases available.

### Is Gold Tracker free?

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

### Which has better reviews, Reverse Efficient Frontier App or Gold Tracker?

Reverse Efficient Frontier App and Gold Tracker are both rated 5.0 out of 5 on the App Store, from 3 and 8 ratings respectively.

### Do Reverse Efficient Frontier App or Gold Tracker have ads?

Neither Reverse Efficient Frontier App nor Gold Tracker shows ads.

### Which is updated more often, Reverse Efficient Frontier App or Gold Tracker?

Reverse Efficient Frontier App ships an update every 10 months, and Gold Tracker every 2 weeks. Most recently, Reverse Efficient Frontier App was updated on October 25, 2026 and Gold Tracker on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*