Comparison

RoundPairs vs Dozen

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

RoundPairs

Features
Read full description

"RoundPairs" is a timed skill game where you have to choose flying objects of the same shape or the same color, touching them with your fingers while moving across the sky in three dimensions. With "RoundPairs" you get the feeling of flying in wonderful surreal atmospheres, surrounded by music and soothing sounds and engaging. To get them through the levels you'll have to be faster than the time that will flow incessantly and fastest of the objects that will fly faster and faster in the multicolored skies; sometime special items will help you... but all the while maintaining what is the real aim of the game: free your mind and make you spend moments of relaxation. The world of "RoundPairs" is waiting. Features: - Multi-touch game - 11 amazing soundtracks - Special effects - 10 levels (+ 1 final special level) - Relaxing effect ************************************************* GAME RULES Select flying pairs with the same shape or color GAME CONTROLS 1. Touch with one finger: select/deselect a flying object (the selected object will be highlighted by a white rect) 2. Drag one finger on the screen: deselect all the selected objects 3. Touch with two fingers: deselect all the selected objects / select together two flying objects JOLLY 1. Yellow stars: tap on them and all the flying objects in the sky will disappear and will become game score 2. Red stars: tap on them to recharge your energy ENERGY 1. Increase: if pairs with the same shape or color are selected 2. Increase: if a yellow star is selected 3. Decrease: with time 4. Decrease: if wrong pairs are selected GAME OVER when you lost all the energy YOU WIN when you will reach the end of all the game levels INTERFACE 1. Game menu 2. Game pause 3. Resume game *************************************************

About

Dozen

A challenging memory card game where you compete against your iPhone to test and improve your memorization skills. Flip cards, match pairs, and score points before the device outmaneuvers you. Engage in fast-paced, addictive gameplay anytime, anywhere.

Highlights
  • Memory card game
  • Compete against iPhone
  • Memorize card locations
  • Score pairing points
  • Fast-paced gameplay
  • Sharpen memory
Features
Read full description

Dozen is a new kind of memory card game, one in which you play against the iPhone© to prove your memorizing abilities. Flip cards, memorize their locations, and score pairing points before the iPhone© beats you to it. Challenge your mind, sharpen your memory, and engage in fast-paced gameplay that is addictive, right from your pocket. Take Dozen with you wherever you go, pairing off cards as you race against your iPhone©. It’s a great way to travel, unwind after a long day, or simply take a break from the work or studying at hand.

Screenshots

RoundPairs4 screens
Dozen2 screens

Verdict

The call

The clearest difference is price: Dozen at Free against RoundPairs's $0.99. Dozen also leads on update cadence (every 5 months vs every 53 months) and iOS requirement (15.0 vs 18.0). On 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

CostPrice · In-app purchases · Ads · Monetization

Dozen is free to download; RoundPairs costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

RoundPairs ships an update every 53 months, Dozen every 5 months. The most recent releases landed on October 11, 2026 and October 4, 2026 respectively.

Scorecard3 real differences · 7 level
RoundPairs versus Dozen: the parameters behind the verdict, then further details
ParameterRoundPairsDozen
Price$0.99Free — better
Rating—4.9 (21 ratings) — better
Positive reviews—96.6% of reviews
Number of ratings—21 — better
Update frequencyEvery 53 monthsEvery 5 months — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPod
Requires iOS18.015.0 — better
Further details — not scored
Size42 MB29 MB
Age rating4+17+
DeveloperGianluca NataliniIgor Fedorov

In-app purchases

None

RoundPairs

No in-app purchases

None

Dozen

No in-app purchases

Questions

Is RoundPairs free?
RoundPairs costs $0.99, with no in-app purchases.
Is Dozen free?
Dozen is free to download, with no in-app purchases.
Do RoundPairs or Dozen have ads?
Neither RoundPairs nor Dozen shows ads.
Which is updated more often, RoundPairs or Dozen?
RoundPairs ships an update every 53 months, and Dozen every 5 months. Most recently, RoundPairs was updated on October 11, 2026 and Dozen on October 4, 2026.

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