Comparison

aa 2 vs Birds Evolution Merge

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

Head to head
About

aa 2

Experience a classic arcade game on your iOS device. This fundamental app offers a familiar gameplay experience, reminiscent of iconic mobile games from the past. Enjoy a simple yet engaging challenge.

Highlights
  • Classic arcade gameplay
  • Familiar controls
  • Simple and engaging
  • Handmade in Australia
Features
Read full description

aa 2 is the "hello world" app for iPhones, iPads & iPods. i.e. aa 2 is like snake 2 on an old brick phone, it's fundamental. Handmade in Australia, General Adaptive If it's not published by General Adaptive Apps Pty Ltd - then it's not the authentic and original aa 2. Don't be fooled by clones and respect genuine content.

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

Screenshots

aa 24 screens
Birds Evolution Merge4 screens

Verdict

The call

The clearest difference is review sentiment: Birds Evolution Merge at 87% against aa 2's 41%. Birds Evolution Merge also leads on rating (4.7 vs 3.5). aa 2's advantage is ads (none vs shown) and update cadence (fortnightly vs every 5 weeks). On price, ratings volume, in-app purchases and monetization model 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. aa 2 sells 2 one-off in-app purchases and Birds Evolution Merge sells 14 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Birds Evolution Merge holds the better App Store score, 4.7 against 3.5. Both are backed by a comparable volume of ratings — 624 and 852 respectively. Written reviews point the same way: 41% of aa 2's written reviews are positive against 87% of Birds Evolution Merge's.

UpkeepUpdate frequency

aa 2 ships an update fortnightly, Birds Evolution Merge every 5 weeks. The most recent releases landed on October 26, 2026 and October 22, 2026 respectively.

Scorecard5 real differences · 5 level
aa 2 versus Birds Evolution Merge: the parameters behind the verdict, then further details
Parameteraa 2Birds Evolution Merge
PriceFreeFree
Rating3.5 (624 ratings)4.7 (852 ratings) — better
Positive reviews40.8% of reviews87.4% of reviews — better
Number of ratings624852 — better
Update frequencyFortnightly — betterEvery 5 weeks
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better15.0
Further details — not scored
Size14 MB156 MB
Age rating4+9+
DeveloperGeneral Adaptive Apps Pty LtdTPG TECNOLOGIA DA INFORMACAO LTDA

Customer experience

aa 2

All ratings624 ratings
Positive59.3%
Neutral10.9%
Negative29.8%
Written reviews196 reviews
Positive40.8%
Neutral11.2%
Negative48.0%

Birds Evolution Merge

All ratings851 ratings
Positive92.5%
Neutral4.9%
Negative2.6%
Written reviews174 reviews
Positive87.4%
Neutral5.2%
Negative7.5%

User reviews

aa 2

From 624 App Store ratings

What we love

  • 🚀 Challenging and addictive
  • 👍 Great game overall
  • 💡 Innovative concept

Room to improve

  • 🐛 Glitches and bugs on certain levels
  • 🤯 Extremely difficult and frustrating
  • 💰 Too many ads

Birds Evolution Merge

From 852 App Store ratings

What we love

  • 💎 Addictive and fun gameplay
  • 🎨 Ability to customize birds
  • 🐦 Variety of bird species
  • 🎶 Enjoyable music

Room to improve

  • 🔍 Repetitive gameplay
  • 🛑 Excessive ads
  • 🐛 Bugs and crashes
  • 🔊 Music interruption issues

Bugs and requests

aa 2

Reported bugs

3 issues
  • Level 18 not working as expected
  • Level 24 instant failure
  • Level 118 unbeatable due to glitch

Requested features

3 requests
  • Add level skip option
  • Improve level design and difficulty progression
  • Better instructions and tutorials

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

In-app purchases

2 purchases

aa 2

One-time2
  • Skip aa 2 Level$0.99
  • Remove Ads in aa 2$0.99
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

Questions

Is aa 2 free?
aa 2 is free to download, with in-app purchases available.
Is Birds Evolution Merge free?
Birds Evolution Merge is free to download, with in-app purchases available.
Which has better reviews, aa 2 or Birds Evolution Merge?
Birds Evolution Merge is rated higher. aa 2 averages 3.5 out of 5 from 624 ratings, while Birds Evolution Merge averages 4.7 from 852 ratings.
Do aa 2 or Birds Evolution Merge have ads?
Birds Evolution Merge shows ads; aa 2 does not.
Which is updated more often, aa 2 or Birds Evolution Merge?
aa 2 ships an update fortnightly, and Birds Evolution Merge every 5 weeks. Most recently, aa 2 was updated on October 26, 2026 and Birds Evolution Merge on October 22, 2026.

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