Comparison

Endless Doves vs iO

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

Head to head
About

Endless Doves

Collect a variety of flying creatures, from doves to chickens, by navigating through a challenging game. Earn in-game currency to unlock new characters and compete with friends for high scores. Enjoy simple two-button controls in this addictive arcade experience.

Highlights
  • Collect various flying creatures
  • Unlock new characters with in-game currency
  • Compete for high scores
  • Simple two-button controls
  • Addictive gameplay loop
Features
Read full description

Endless Doves – Collect Doves, Don't Crash! He dreams of flying... Who is he? Why does he crash? How does he fly? That doesn't matter! What does matter is obsessive bird collecting! Collect those birds and beat the scores of friends and people you don't even know! Brag on the usual social network hangouts then collect even more birds and do it all over again! Don't like doves? We have you covered. Using the doves as a crude form of currency (Dove Dollars?) you can unlock a whole other host of flying things. Like Pelicans and Chickens!... shhhh. It's based on our hit game '8 bit Doves' which is level based and not free. If you like this there's a good chance you will like that too so skip coffee one day and buy that instead! You play with only two buttons which means they are big and easy to hit with your thumbs. But then it's one of those super hard 'argh I hate this... but must have one more go' type of games too so yeah. That's about it. If you read this far you may as well hit the download button. enjoy :) or don't... it's free so you can always delete it again.

About

iO

A physics-based platformer where you manipulate size, speed, and momentum to solve over 225 challenging mazes. Features unique gameplay mechanics like portals and inverted gravity, with global leaderboards for competitive play.

Highlights
  • Size, weight, and mass manipulation
  • Over 225 challenging mazes
  • Portals and inverted gravity
  • Global leaderboards
  • Unlockable achievements
  • Intuitive touch controls
Features
Read full description

** Global Game Jam 2012 Winner ** ** IndieCade Festival 2014 Finalist ** ** GDC Best In Play 2015 - Honorable Mention ** TouchArcade: 4 out of 5 - "For those who enjoy playing with balls, iO has plenty to show you." AppleNApps: 4 out of 5 - "iO is a finely crafted platformer that keeps things fresh making it well worth picking up." Gamezebo: 4 out of 5 - "It's packed with unique style and mechanics that give it an edge over similar titles." iO - A Physics Platformer A physics platformer about size, speed and momentum unlike anything you’ve ever seen before! Grow, shrink, roll, leap and climb in this unique puzzler featuring over 225 challenging mazes one-of-a-kind gameplay that includes portals, inverted gravity, vehicles and more! Share your times with friends on the global leaderboards and become a time/space legend! FEATURES - Play with size, weight and mass to reach the exit as fast as possible! - Over 225 puzzles to solve and more coming in future updates. - Intuitive touch controls. - Make new friends and compete against old ones on the Global Leaderboards. - Unlock new achievements. - Unique and wide variety of gameplay mechanics including gravity manipulation, portals, vehicles and more! - Retro-futuristic visuals.

Screenshots

Endless Doves4 screens
iO4 screens

Verdict

The call

The clearest difference is ads: iO at none against Endless Doves's shown. iO also leads on update cadence (every 6 weeks vs every 11 months). Endless Doves's advantage is rating (4.2 vs 3.7) and ratings volume (70 vs 19). On price, review sentiment, 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. Endless Doves sells 1 one-off in-app purchase and iO sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Endless Doves holds the better App Store score, 4.2 against 3.7. Both are backed by a comparable volume of ratings — 70 and 19 respectively. Written reviews complicate that: 64% of Endless Doves's written reviews are positive against 71% of iO's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Endless Doves ships an update every 11 months, iO every 6 weeks. Both last shipped on October 15, 2026.

Scorecard4 real differences · 6 level
Endless Doves versus iO: the parameters behind the verdict, then further details
ParameterEndless DovesiO
PriceFreeFree
Rating4.2 (70 ratings) — better3.7 (19 ratings)
Positive reviews64.0% of reviews71.1% of reviews — better
Number of ratings70 — better19
Update frequencyEvery 11 monthsEvery 6 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.011.0
Further details — not scored
Size90 MB466 MB
Age rating4+4+
DeveloperNitromeGamious B.V.

Customer experience

Endless Doves

All ratings70 ratings
Positive80.0%
Neutral10.0%
Negative10.0%
Written reviews303 reviews
Positive64.0%
Neutral9.6%
Negative26.4%

iO

All ratings19 ratings
Positive63.2%
Neutral5.3%
Negative31.6%
Written reviews76 reviews
Positive71.1%
Neutral3.9%
Negative25.0%

User reviews

Endless Doves

From 70 App Store ratings

What we love

  • 🎨 Beautiful retro graphics
  • 🎵 Calming and nostalgic soundtrack
  • 🕹️ Addictive and challenging gameplay
  • 👍 Unique control scheme
  • 🕰️ Relaxing and meditative experience

Room to improve

  • 🤯 Extremely difficult and frustrating
  • ⏱️ Long loading times between attempts
  • 📺 Intrusive and frequent ads
  • 🤔 Unclear control scheme and tutorial
  • 🔁 Repetitive and not much variety

iO

From 19 App Store ratings

What we love

  • 👍 Fun and addictive gameplay
  • 💡 Challenging puzzles
  • 🧠 Good for brain exercise
  • ✨ Great design and idea
  • 💯 Addictive and engaging

Room to improve

  • ❌ Unplayable due to ads
  • 💸 Paid for ad-free, still shows ads
  • 🐛 Game crashes frequently
  • 🐞 Buttons cut off on mobile
  • 🔇 No audio or sound effects

Bugs and requests

Endless Doves

Reported bugs

2 issues
  • Game crashes or freezes on certain devices
  • Controls become unresponsive at times

Requested features

4 requests
  • More unlockable characters and customization options
  • Adjustable difficulty levels
  • Checkpoint system to avoid restarting from the beginning
  • Ability to disable ads through in-app purchase

iO

Reported bugs

8 issues
  • Ads not unlocking levels
  • Paid ad-free, but ads persist
  • Game crashes on startup or during gameplay
  • Buttons cut off at screen edges
  • Player phasing through walls
Show 3 more
  • Game Center notifications are spammy
  • Laggy performance
  • App shuts down after logos

Requested features

8 requests
  • Fix ad-blocking payment issue
  • Improve mobile formatting
  • Add audio and sound effects
  • Fix ad-related progression blockers
  • Address crashing issues
Show 3 more
  • Improve performance and reduce lag
  • Fix phasing through walls bug
  • Reduce spammy notifications

In-app purchases

1 purchases

Endless Doves

One-time1
  • Remove Ads$1.99
1 purchases

iO

One-time1
  • Remove all advertisements$0.99

Questions

Is Endless Doves free?
Endless Doves is free to download, with in-app purchases available.
Is iO free?
iO is free to download, with in-app purchases available.
Which has better reviews, Endless Doves or iO?
Endless Doves is rated higher. Endless Doves averages 4.2 out of 5 from 70 ratings, while iO averages 3.7 from 19 ratings.
Do Endless Doves or iO have ads?
Endless Doves shows ads; iO does not.
Which is updated more often, Endless Doves or iO?
Endless Doves ships an update every 11 months, and iO every 6 weeks. Most recently, Endless Doves was updated on October 15, 2026 and iO on October 15, 2026.

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