# Gem Merchant vs Primedor

The clearest difference is review sentiment: Primedor at 100% against Gem Merchant's 25%. Primedor also leads on rating (5.0 vs 1.0) and update cadence (every 3 days vs fortnightly). 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.

Primedor holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 25% of Gem Merchant's written reviews are positive against 100% of Primedor's.

Gem Merchant ships an update fortnightly, Primedor every 3 days. The most recent releases landed on September 21, 2026 and July 1, 2026 respectively.

## The numbers

| Metric | Gem Merchant | Primedor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/gem-merchant/id6748193480/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/primedor/id6754699461/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free | Free |
| Size | 3 MB | 11 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [梦成 李](https://appshunter.io/developer/1821210608) | [Harold Sultan](https://appshunter.io/developer/1846424336) |

## What reviewers say

### Gem Merchant

[App page](https://appshunter.io/ios/app/gem-merchant/id6748193480)

A digital adaptation of a classic two-player card game focused on strategic gem collection and prestige. Manage resources, acquire development cards, and attract nobles to earn points and win.

**Highlights:** Classic board game digitalization, Strategic gem collection, Two-player battle mode (online/local), Diverse strategic options, Exquisite visual design, Easy to learn, deep strategy

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

**In-app purchases:** none


### Primedor

[App page](https://appshunter.io/ios/app/primedor/id6754699461)

A strategic card game where players build a mathematical empire by collecting tokens, purchasing cards with permanent bonuses, and claiming legendary mathematicians. Challenge intelligent AI opponents in games of flexible speed and track your progress.

**Highlights:** Strategic token economy, Intelligent AI opponents, 90 unique math cards, 10 mathematicians to claim, Flexible gameplay speed, Progress tracking

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gem Merchant free?

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

### Is Primedor free?

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

### Which has better reviews, Gem Merchant or Primedor?

Primedor is rated higher. Gem Merchant averages 1.0 out of 5 from 1 ratings, while Primedor averages 5.0 from 1 ratings.

### Do Gem Merchant or Primedor have ads?

Neither Gem Merchant nor Primedor shows ads.

### Which is updated more often, Gem Merchant or Primedor?

Gem Merchant ships an update fortnightly, and Primedor every 3 days. Most recently, Gem Merchant was updated on September 21, 2026 and Primedor on July 1, 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.*