# Kill Zombies Idle vs TrainClicker Idle Evolution

The clearest difference is ads: TrainClicker Idle Evolution at none against Kill Zombies Idle's shown. TrainClicker Idle Evolution also leads on review sentiment (53% vs 29%) and update cadence (weekly vs every 5 weeks). Kill Zombies Idle's advantage is iOS requirement (13.0 vs 15.0). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Kill Zombies Idle sells 9 one-off in-app purchases and TrainClicker Idle Evolution sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Kill Zombies Idle against 4.4 for TrainClicker Idle Evolution. Both are backed by a comparable volume of ratings — 470 and 482 respectively. Written reviews are what separate them: 29% of Kill Zombies Idle's written reviews are positive against 53% of TrainClicker Idle Evolution's.

Kill Zombies Idle ships an update every 5 weeks, TrainClicker Idle Evolution weekly. Both last shipped on November 3, 2026.

## The numbers

| Metric | Kill Zombies Idle | TrainClicker Idle Evolution |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (470 ratings)](https://appshunter.io/ios/app/kill-zombies-idle/id1502376468/reviews)** | [4.4 (482 ratings)](https://appshunter.io/ios/app/trainclicker-idle-evolution/id1549726315/reviews) |
| Number of ratings | 470 | **482** |
| Positive reviews | 28.6% of reviews | **52.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 76 MB | 362 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [HWA DAVID](https://appshunter.io/developer/1708168060) | [PixelRNG LLC](https://appshunter.io/developer/953256364) |

## What reviewers say

### Kill Zombies Idle

[App page](https://appshunter.io/ios/app/kill-zombies-idle/id1502376468)

Engage in an idle zombie-killing adventure where you can play anytime, anywhere. Eliminate hordes of zombies, recruit companions, and upgrade your firepower to defend your homeland. Collect all weapons to become the ultimate zombie slayer.

**Highlights:** Idle zombie killing gameplay, Recruit companions, Increase firepower, Defend homeland, Collect weapons

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Micro Diamond Package | $0.99 | one-time |
| Small Money Package | $0.99 | one-time |
| Remove Ads Forever | $2.99 | one-time |
| Small Diamond Package | $2.99 | one-time |
| Medium Diamond Package | $9.99 | one-time |
| Especial Pass | $9.99 | one-time |
| Big Diamond Package | $19.99 | one-time |
| Super Diamond Package | $49.99 | one-time |
| Jillion Diamond Package | $99.99 | one-time |


### TrainClicker Idle Evolution

[App page](https://appshunter.io/ios/app/trainclicker-idle-evolution/id1549726315)

Embark on a relaxing idle adventure where you tap to move trains, unlock engineers, and upgrade your engines. Travel through beautiful zones, gather gold, and progress through unique themed levels in this one-of-a-kind clicker game.

**Highlights:** Idle clicker gameplay, Train engine upgrades, Unlockable engineers, Day-night cycle, Multiple train cars and engines, Unique themed levels

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Handful of Gems | $0.99 | one-time |
| Special Deal | $4.99 | one-time |
| Pile of Gems | $4.99 | one-time |
| Remove Ads | $4.99 | one-time |
| 2026 Goal Skin Bundle | $6.99 | one-time |
| Remove Ads And More | $6.99 | one-time |
| Bag of Gems | $9.99 | one-time |
| Crate of Gems | $19.99 | one-time |
| Box of Gems | $49.99 | one-time |
| Chest of Gems | $99.99 | one-time |

**What reviewers like**

- 👍 Fun and engaging gameplay
- 💡 Unique "train clicker" concept
- 🚀 Game has potential
- 👍 Enjoyable for train enthusiasts

**What reviewers complain about**

- 😩 Constant tapping is tiring
- ⏳ Extremely long grind for upgrades
- 🚫 Limited offline progress
- 📉 Progression is slow
- 🤔 Level system feels pointless

**Reported bugs**

- No prize after beating levels multiple times
- Purchased coins not appearing
- Game glitched, lost progress
- Major bug with gold calculation (negative balance)
- Bug where train could go very fast (now patched)

**Requested features**

- Add a button for continuous tapping
- Improve train customization (cart order, naming)
- Make the game more idle-friendly
- Fix progression impediments like engine upgrade waits
- Reintroduce or offer a speed-focused version


## Frequently asked questions

### Is Kill Zombies Idle free?

Kill Zombies Idle is free to download, with in-app purchases available.

### Is TrainClicker Idle Evolution free?

TrainClicker Idle Evolution is free to download, with in-app purchases available.

### Which has better reviews, Kill Zombies Idle or TrainClicker Idle Evolution?

Kill Zombies Idle is rated higher. Kill Zombies Idle averages 4.6 out of 5 from 470 ratings, while TrainClicker Idle Evolution averages 4.4 from 482 ratings.

### Do Kill Zombies Idle or TrainClicker Idle Evolution have ads?

Kill Zombies Idle shows ads; TrainClicker Idle Evolution does not.

### Which is updated more often, Kill Zombies Idle or TrainClicker Idle Evolution?

Kill Zombies Idle ships an update every 5 weeks, and TrainClicker Idle Evolution weekly. Most recently, Kill Zombies Idle was updated on November 3, 2026 and TrainClicker Idle Evolution on November 3, 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.*