Comparison

RoundPairs vs Ninja Assassin

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

Ninja Assassin

Become a stealthy ninja cat assassin and hunt down your targets in this action-packed shooter game. Evade enemies, plan your attacks, and use earned rewards to upgrade your feline hunter. Experience a free game with numerous levels to become a legend.

Highlights
  • Play as a ninja cat assassin
  • Hunt down targets stealthily
  • Evade enemies with machine guns
  • Earn gems and diamonds for upgrades
  • Multiple levels to play
  • Completely free shooter game
Features
Read full description

Do you like shooter games or stealth games? Let’s play a hunter assassin game in Ninja Cat style & become the assassin master! Play as a ninja cat assassin and hunt down all your targets. Stay hidden, be faster and more clever than your targets and hunt them down one by one. Be careful, your woof enemies have automatic machine guns and they are looking for you! Escape them without being spotted and find the right moment to attack them. Be brave, don’t be just hunted by hunters. Only the most stealth hunters or the fastest assassin will become the true hero of assassin games. You will be rewarded with gems, precious bloody diamonds, after eliminating your target. Use them wisely and change your kitty hunter assassin to real Ninja Cat Assassin master! Stop looking for other action games! Ninja Cat Assassin is a perfect killer hunting stealth game for you. It is a completely free shooter game with a lot of levels, which give you an opportunity to become a real legend of assassins in the ninja cat world! Privacy Policy https://cybernautica.cz/privacy-policy/ Terms of Service https://cybernautica.cz/terms-of-service/ Indonesia (IGRS): 13+

Screenshots

RoundPairs4 screens
Ninja Assassin4 screens

Verdict

The call

The clearest difference is price: Ninja Assassin at Free against RoundPairs's $0.99. Ninja Assassin also leads on update cadence (every 4 months vs every 53 months) and iOS requirement (15.0 vs 18.0). RoundPairs's advantage is in-app purchases (none vs 1) and ads (none vs shown). On 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

Ninja Assassin is free to download; RoundPairs costs $0.99 up front. Ninja Assassin sells 1 one-off in-app purchase. RoundPairs asks for nothing beyond the download.

UpkeepUpdate frequency

RoundPairs ships an update every 53 months, Ninja Assassin every 4 months. The most recent releases landed on November 10, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 4 level
RoundPairs versus Ninja Assassin: the parameters behind the verdict, then further details
ParameterRoundPairsNinja Assassin
Price$0.99Free — better
Rating—4.6 (14 ratings) — better
Number of ratings—14 — better
Update frequencyEvery 53 monthsEvery 4 months — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS18.015.0 — better
Further details — not scored
Size42 MB181 MB
Age rating4++12
DeveloperGianluca NataliniCYBERNAUTICA s.r.o.

In-app purchases

None

RoundPairs

No in-app purchases

1 purchases

Ninja Assassin

One-time1
  • Remove Ads$2.99

Questions

Is RoundPairs free?
RoundPairs costs $0.99, with no in-app purchases.
Is Ninja Assassin free?
Ninja Assassin is free to download, with in-app purchases available.
Do RoundPairs or Ninja Assassin have ads?
Ninja Assassin shows ads; RoundPairs does not.
Which is updated more often, RoundPairs or Ninja Assassin?
RoundPairs ships an update every 53 months, and Ninja Assassin every 4 months. Most recently, RoundPairs was updated on November 10, 2026 and Ninja Assassin on November 3, 2026.

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