Comparison

Birds Evolution Merge vs Koi

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

Head to head
About

Birds Evolution Merge

Combine various bird species to evolve them into new, bizarre forms. Explore different stages, unlock curious creatures, and discover unexpected endings in this evolutionary merge game. Earn coins through bird poop to buy more creatures and accelerate your progress.

Highlights
  • Combine similar birds to create new creatures
  • Evolve birds to discover exotic forms
  • Use bird poop coins to buy new creatures
  • Discover different stages and bird species
  • Unlock various possible endings
  • Incremental clicker gameplay
Features
Read full description

A little bird told me that you should definitely play this. Well, not actually. But it’s fun, trust us. Combine different and awesome kinds of birds and go beyond your imagination mixing up these animals. The sky is the limit! From the creators of the renowned Evolution games, comes the sequel that takes the series to incredible new heights! Combine birds to evolve them and discover their most curious, exotic and bizarre forms! FEATURING • Pantheon: a place for supreme beings to look down on us mortals and laugh at our misery • Impostors: watch out for impostors trying to steal the spotlight from the birds HOW TO PLAY • Drag and drop similar birds to create new mysterious creatures • Use bird poop coins to buy new creatures and make even more money • Alternatively, fiercely tap a bird to make coins pop when birds poop HIGHLIGHTS • Different stages and many bird species to discover • A mind-blowing story yet untold • The unexpected mix of alpaca-like evolution, 2048 and incremental clicker games • Doodle-like illustrations • Various possible endings: find your destiny • No birds were harmed in the making of this game, only developers Don’t settle for lousy games. Download Birds Evolution and reach for the sky! You know the saying: “the early bird catches the worm”! Disclaimer: While this App is completely free to play, some additional content can be purchased for real money in-game. If you do not want to use this feature, please turn off in-app purchases in your device's settings. Like our page on Facebook and be the first to know about our upcoming games and updates! http://fb.com/tappshq

About

Koi

Features
Read full description

Koi-Koi is a cinematic hanafuda card game built around four distinctive worlds. Begin with Nitō the Ronin at Red Fuji for free, then unlock premium campaigns and modes when you are ready. Play Hokusai Battles across a seven-rival ukiyo-e journey, step into the warm chaos of six living cafés, ride an after-work night toward the last train, or add Talk Show + Cross Mode for live commentator reactions across supported worlds. The game preserves traditional Koi-Koi tactics while presenting each match as a richly illustrated scene with authored rivals, stages, music, and atmosphere.

Screenshots

Birds Evolution Merge4 screens
Koi4 screens

Verdict

The call

The clearest difference is ads: Koi at none against Birds Evolution Merge's shown. Birds Evolution Merge's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, 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

Both are free to download. Birds Evolution Merge sells 14 one-off in-app purchases and Koi sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Birds Evolution Merge ships an update every 5 weeks, Koi monthly. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
Birds Evolution Merge versus Koi: the parameters behind the verdict, then further details
ParameterBirds Evolution MergeKoi
PriceFreeFree
Rating4.7 (852 ratings) — better—
Positive reviews87.4% of reviews—
Number of ratings852 — better—
Update frequencyEvery 5 weeksMonthly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size156 MB835 MB
Age rating9+4+
DeveloperTPG TECNOLOGIA DA INFORMACAO LTDATileSpeak Software

Bugs and requests

Birds Evolution Merge

Reported bugs

3 issues
  • Inability to change bird colors
  • Incorrect pricing in the store
  • Game crashing after updates

Requested features

3 requests
  • More bird species and evolution stages
  • Ability to listen to music while playing
  • Improved performance and stability

Koi

Not enough reviews yet to summarise bugs or requests.

In-app purchases

14 purchases

Birds Evolution Merge

One-time14
  • Remove Ads$1.99
  • Hard Currency Pack 1$1.99
  • pack with diamonds$1.99
Show 11 more
  • pack of rubies$1.99
  • instant coins doubler$1.99
  • Promo Bundles VeryHigh$2.99
  • Shop Bundle 1$2.99
  • Hard Currency Pack 2$4.99
  • big pack of rubies$5.99
  • income doubler$5.99
  • Shop Bundle 2$5.99
  • Trinket$6.99
  • Hard Currency Pack 3$9.99
  • starter bundle discount$9.99
5 purchases

Koi

One-time5
  • Talk Show + Cross Mode$0.99
  • Kissa Chaos$1.99
  • Last Train Koi-Koi$1.99
Show 2 more
  • Hokusai Battles$2.99
  • Complete Collection$3.99

Questions

Is Birds Evolution Merge free?
Birds Evolution Merge is free to download, with in-app purchases available.
Is Koi free?
Koi is free to download, with in-app purchases available.
Do Birds Evolution Merge or Koi have ads?
Birds Evolution Merge shows ads; Koi does not.
Which is updated more often, Birds Evolution Merge or Koi?
Birds Evolution Merge ships an update every 5 weeks, and Koi monthly. Most recently, Birds Evolution Merge was updated on October 22, 2026 and Koi on October 25, 2026.

Other comparisons