# K9 Hearts vs Endless Darkness

The clearest difference is in-app purchases: Endless Darkness at none against K9 Hearts's 1. Endless Darkness also leads on iOS requirement (11.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. K9 Hearts sells 1 one-off in-app purchase. Endless Darkness asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | K9 Hearts | Endless Darkness |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/k9-hearts/id1503787648/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 48 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [William Hamshire](https://appshunter.io/developer/1458645586) | [跃峰 杨](https://appshunter.io/developer/1687429670) |

## What reviewers say

### K9 Hearts

[App page](https://appshunter.io/ios/app/k9-hearts/id1503787648)

Enjoy a classic trick-taking card game with a unique twist. Learn the rules as you play, with an AI that guides new players. Train a puppy that progresses as you master the game.

**Highlights:** AI-guided gameplay for new players, In-game explanations of plays, Four or five player options, Puppy training progression, Family-friendly card game

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


### Endless Darkness

[App page](https://appshunter.io/ios/app/endless-darkness/id1590958479)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is K9 Hearts free?

K9 Hearts is free to download, with in-app purchases available.

### Is Endless Darkness free?

Endless Darkness is free to download, with no in-app purchases.

### Do K9 Hearts or Endless Darkness have ads?

Both K9 Hearts and Endless Darkness show ads.

### Which is updated more often, K9 Hearts or Endless Darkness?

K9 Hearts ships an update fortnightly, and Endless Darkness fortnightly. Most recently, K9 Hearts was updated on October 20, 2026 and Endless Darkness on October 25, 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.*