Primes + vs Klondike Solitaire
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Primes +
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In mathematics the prime numbers (also called “primes”) are natural numbers greater than 1, divisible only by 1 and by themselves. "Primes" is a mathematical game of search of natural numbers that added together give as result prime numbers. For each level of the game, will be shown: - a TABLE of prime numbers formed by 30 prime numbers (that will change at every level of the game) - a MAP formed by 16 boxes containing natural numbers which, added together, will give as result at least 5 primes among those listed in the TABLE of prime numbers In the TABLE, primes will be highlighted: - in red if it exists in the MAP at least one combination (sum) of natural numbers that give as result the prime number highlighted in red (there is certainly a combination in the MAP) - in blue if it is not certain that there is in the MAP a combination (sum) of natural numbers that give as result the prime number highlighted in blue (may or may not exist a combination in the MAP) An automatic calculator (indicated by SUM) will assist You in the sum of natural numbers that You have selected in the MAP (combination). For each level, You will have 3 minutes of time to find 5 primes among those listed in the TABLE of prime numbers: so, you'll have to find 5 combinations of natural numbers in the MAP that will give as result 5 distinct prime numbers. This game increases the visual memory and the speed for mathematical calculation. It will also help You to store a large amount of prime numbers. Have fun with Primes...
Klondike Solitaire
Experience the classic card sorting game on your watch and phone. Enjoy different drawing modes, daily challenges, and a progressive level system. Customize your experience with dynamic themes.
- Draw1 or Draw3 cards
- Daily Challenge
- Level mode with 1000+ levels
- Dynamic themes
- Play on Watch & Phone
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Klondike Solitaire - Daily challenge every single day — On your Apple Watch or iPhone: - Daily Challenge — new hand every day, global leaderboard - 1-card draw — relaxed, classic pace - 3-card Vegas draw — faster, higher scoring - Multiple difficulty levels for beginners and experts FEATURES - Apple Watch + iPhone — seamless on both devices - Unlimited undo & hints - Auto-complete when close to winning - Offline play — no Wi-Fi needed Simple to learn. Satisfying to master. Come back every day.
Screenshots
Verdict
The clearest difference is price: Klondike Solitaire at Free against Primes +'s $0.99. Klondike Solitaire also leads on update cadence (monthly vs every 38 months) and device support (4 vs 1). Primes +'s advantage is ads (none vs shown). On 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
Klondike Solitaire is free to download; Primes + costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Primes + ships an update every 38 months, Klondike Solitaire monthly. The most recent releases landed on October 9, 2026 and October 27, 2026 respectively.
| Parameter | Primes + | Klondike Solitaire |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 4.7 (183 ratings) — better |
| Positive reviews | — | 88.6% of reviews |
| Number of ratings | — | 183 — better |
| Update frequency | Every 38 months | Monthly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 18.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 11 MB | 144 MB |
| Age rating | 4+ | 4+ |
| Developer | Gianluca Natalini | Diem Le |
Bugs and requests
Primes +
Not enough reviews yet to summarise bugs or requests.
Klondike Solitaire
Reported bugs
2 issues- App data wiped when opening on phone after watch download
- Cards don't load immediately when drawing
Requested features
1 request- Option to pay to remove ads
In-app purchases
Primes +
No in-app purchases
Klondike Solitaire
No in-app purchases








