# Endless Doves vs iO

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.

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.

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.

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

## The numbers

| Metric | Endless Doves | iO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (70 ratings)](https://appshunter.io/ios/app/endless-doves/id917676222/reviews)** | [3.7 (19 ratings)](https://appshunter.io/ios/app/io-a-physics-platformer/id960831187/reviews) |
| Number of ratings | **70** | 19 |
| Positive reviews | 64.0% of reviews | **71.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 11 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 90 MB | 466 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nitrome](https://appshunter.io/developer/568079484) | [Gamious B.V.](https://appshunter.io/developer/539181337) |

## What reviewers say

### Endless Doves

[App page](https://appshunter.io/ios/app/endless-doves/id917676222)

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:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- Game crashes or freezes on certain devices
- Controls become unresponsive at times

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/io-a-physics-platformer/id960831187)

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:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove all advertisements | $0.99 | one-time |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- 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

**Requested features**

- Fix ad-blocking payment issue
- Improve mobile formatting
- Add audio and sound effects
- Fix ad-related progression blockers
- Address crashing issues


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*