Gem Merchant vs Primedor
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Gem Merchant
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.
- Classic board game digitalization
- Strategic gem collection
- Two-player battle mode (online/local)
- Diverse strategic options
- Exquisite visual design
- Easy to learn, deep strategy
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Classic board game digitalization, a two-player card game of strategic competition to collect gems and earn prestige. Recreate the charm of classic board games, a new experience of handheld strategic competition. Gem Merchant (ColorfulGems) is a meticulously crafted strategic card collection game that perfectly restores the core gameplay of the classic board game. In this world filled with strategy and wisdom, you will play as a savvy gem merchant, cleverly managing resources and planning strategies to collect precious gems, purchase development cards, attract the favor of nobles, and ultimately win by earning 15 points of prestige. Game Features: - Classic board game digitalization: faithfully replicates the gameplay of Splendor/Gem Merchant, retaining strategic depth. - Exquisite visual design: stunning gem-themed UI, immersive gaming experience. - Two-player battle mode: face-to-face or online duels with friends, testing strategic intelligence. - Diverse strategies: gem collection, card reservation, noble competition, with new challenges in every game. - Native iOS experience: built with SwiftUI, smooth operation, compatible with various devices. - Easy to learn, deep strategy. The game rules are simple and easy to understand, but the strategic depth is rich. Each turn requires making the best choice between taking gems, purchasing cards, and reserving cards, developing yourself while observing opponents, showcasing your business acumen in intense and thrilling duels. Suitable for all players: Whether you are a board game enthusiast or a newcomer to strategy games, Gem Merchant offers just the right challenge for you. With a game duration of 15-30 minutes, it is perfect for casual entertainment and competitive battles. Download now and start your journey as a Gem Merchant, proving yourself in the contest of strategy and wisdom!
Primedor
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.
- Strategic token economy
- Intelligent AI opponents
- 90 unique math cards
- 10 mathematicians to claim
- Flexible gameplay speed
- Progress tracking
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PRIMEDOR is a strategic card game where you build a mathematical empire through careful planning and clever token management. Challenge yourself against three intelligent AI opponents—Bob, Abby, Emma, and Ann—as you purchase cards, collect tokens, and claim famous mathematicians. Core Gameplay: Collect mathematical tokens (Prime, Even, Odd, Square, Sequence, Perfect) to purchase valuable cards. Each card provides permanent bonuses and victory points. Build powerful card synergies to claim the patronage of legendary mathematicians like Euclid, Pythagoras, and Emmy Noether. Features: Strategic Token Economy: Manage a limited supply of tokens to outmaneuver opponents Intelligent AI: Face opponents that adapt their strategy and make calculated decisions 90 Unique Cards: Collect cards featuring famous mathematical concepts and sequences 10 Mathematicians to Claim: Earn bonuses from history's greatest mathematical minds Flexible Gameplay: Play 2-4 player games at your preferred speed (Slow, Normal, Fast) Track Your Progress: Monitor your stats across different player counts Beautiful Interface: Smooth animations and immersive sound design Perfect for strategy game lovers, math enthusiasts, and anyone who enjoys deep, engaging gameplay.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Gem Merchant | Primedor |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 25.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 1 |
| Update frequency | Fortnightly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone |
| Requires iOS | 17.6 | 17.6 |
| Further details — not scored | ||
| Size | 3 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | 梦成 李 | Harold Sultan |
Customer experience
Gem Merchant
Primedor
In-app purchases
Gem Merchant
No in-app purchases
Primedor
No in-app purchases









