Primes + vs Party Grab Bag
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...
Party Grab Bag
This app facilitates a gift-swapping party game where players grab, swap, and steal gifts. It offers customizable actions and sound effects for unpredictable fun, making it a great addition to any gathering.
- Grab, swap, and steal gifts
- Customizable bonus actions
- Humorous sound effects
- Adjustable gift opening timing
- Traditional and bonus game actions
- Optional final round for stealing
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Play "Party Grab Bag" at your next Grab Bag Party. With this app, every player has a chance to grab, swap and steal from other players. Gather around the room for incredible fun and lasting memories. This game can be a new holiday tradition with your friends and family! A simple design ensures that all players can join the fun. Game Rules can be accessed from the Rules Tab. HOW TO PLAY 1) Decide when to open the gifts: during each "grab" or all at the end of the game. 2) Place gifts in a center pile and form a circle. 3) Take turns to hit the "Player Roll" button. 4) Only players without any gifts can roll. 5) Follow the "action" after each roll. 6) The game ends after all the gifts are selected OR... 7) ...play the optional "Final Round Roll" for one last chance to steal! Traditional actions, such as "Rotate gifts Left", "Rotate gifts Right", "Grab gift from the center pile", and "Steal from anyone" already make this an unpredictable and exciting game. If you enable the +Bonus Actions feature, additional actions such as… "Rotate all gifts LEFT twice" "Rotate all gifts RIGHT twice" "Skip Turn" …will add even more randomness and unpredictable results. Who will receive your gift? What gift will you end up with? You can also enable humorous Sound Effects with each roll. Game Odds with Base Actions Only: Rotate all gifts LEFT once = 1/4 Rotate all gifts RIGHT once = 1/4 Grab (open?) any gift from pile = 1/4 Steal a gift from anyone = 1/4 Game Odds with additional +Bonus Actions: Rotate all gifts LEFT once = 1/8 Rotate all gifts RIGHT once = 1/8 Grab (open?) any gift from pile = 2/8 Steal a gift from anyone = 1/8 Rotate all gifts LEFT twice = 1/8 Rotate all gifts RIGHT twice = 1/8 Skip turn (Be patient.) = 1/8 Game Odds for the Final Round Roll: Swap Gifts = 1/2 Keep Your Gift = 1/2 We do not collect any personal data or annoy you with random ads. One low price enables all features.
Screenshots
Verdict
The clearest difference is update cadence: Party Grab Bag at every 6 months against Primes +'s every 38 months. Primes +'s advantage is iOS requirement (18.0 vs 27.0). On price, ads, in-app purchases and device support 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
Primes + costs $0.99 and Party Grab Bag $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Primes + ships an update every 38 months, Party Grab Bag every 6 months. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.
| Parameter | Primes + | Party Grab Bag |
|---|---|---|
| Price | $0.99 | $0.99 |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 38 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.0 — better | 27.0 |
| Further details — not scored | ||
| Size | 11 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Gianluca Natalini | MKE Things LLC |
In-app purchases
Primes +
No in-app purchases
Party Grab Bag
No in-app purchases









