# Gate Guide vs Mercury Dime

The clearest difference is rating: Gate Guide at 4.8 against Mercury Dime's 4.5. Gate Guide also leads on ratings volume (101 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Gate Guide sells 2 one-off in-app purchases and Mercury Dime sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Gate Guide holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: Gate Guide has 101 ratings behind it against 2, so its average is the more settled of the two.

Gate Guide ships an update every 3 months, Mercury Dime every 2 months. The most recent releases landed on October 20, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Gate Guide | Mercury Dime |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (101 ratings)](https://appshunter.io/ios/app/gate-guide-a-stargate-guide/id1257317717/reviews)** | [4.5 (2 ratings)](https://appshunter.io/ios/app/mercury-dime/id1608938899/reviews) |
| Number of ratings | **101** | 2 |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 10 MB | 39 MB |
| Requires iOS | **17.6** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Digital Tools Ltd](https://appshunter.io/developer/852921471) | [Tom Johnson](https://appshunter.io/developer/1043972329) |

## What reviewers say

### Gate Guide

[App page](https://appshunter.io/ios/app/gate-guide-a-stargate-guide/id1257317717)

Easily track your progress through the Stargate universe. Filter episodes by show, air date, or rating to never lose your place during a re-watch. Get stats for your next binge-watching session.

**Highlights:** Filter by show (SG-1, SGA, SGU), Filter by original air date, Filter by episode rating, Track watched episodes, Binge-watching stats, Simple interface

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Gate Guide Pro | $1.99 | one-time |


### Mercury Dime

[App page](https://appshunter.io/ios/app/mercury-dime/id1608938899)

Organize, track, and manage your Mercury Dime coin collection. Add images of each coin, view them entertainingly, and maintain a running tally of your collection's cost. Includes a want list to mark coins you're searching for.

**Highlights:** Organize coin collection, Track coin values, Add coin images, View images entertainingly, Running cost tally, Want list feature, Three color themes

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mercury Dimes Pro Version | $2.99 | one-time |


## Frequently asked questions

### Is Gate Guide free?

Gate Guide is free to download, with in-app purchases available.

### Is Mercury Dime free?

Mercury Dime is free to download, with in-app purchases available.

### Which has better reviews, Gate Guide or Mercury Dime?

Gate Guide is rated higher. Gate Guide averages 4.8 out of 5 from 101 ratings, while Mercury Dime averages 4.5 from 2 ratings.

### Do Gate Guide or Mercury Dime have ads?

Neither Gate Guide nor Mercury Dime shows ads.

### Which is updated more often, Gate Guide or Mercury Dime?

Gate Guide ships an update every 3 months, and Mercury Dime every 2 months. Most recently, Gate Guide was updated on October 20, 2026 and Mercury Dime on October 6, 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.*