# Train Survivor vs Primal Evolution

The clearest difference is price: Train Survivor at Free against Primal Evolution's $3.99. Primal Evolution's advantage is in-app purchases (none vs 10) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Train Survivor is free to download; Primal Evolution costs $3.99 up front. Train Survivor sells 10 one-off in-app purchases. Primal Evolution asks for nothing beyond the download.

Train Survivor ships an update every 3 months, Primal Evolution daily. The most recent releases landed on October 16, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Train Survivor | Primal Evolution |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/train-survivor/id6478390352/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 369 MB | 232 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [OkiGen Games](https://appshunter.io/developer/1551346306) | [Sana Harrat](https://appshunter.io/developer/1648378102) |

## What reviewers say

### Train Survivor

[App page](https://appshunter.io/ios/app/train-survivor/id6478390352)

Survive a zombie apocalypse in the Old West by building and defending a moving train camp. Gather resources, upgrade your train and defenses, and battle relentless zombie hordes by day and night. Explore, fight bosses, and uncover treasures to last as long as possible.

**Highlights:** Build and defend a moving train camp, Gather resources and upgrade defenses, Recruit survivors and assign roles, Battle waves of zombie hordes, Explore new locations and fight bosses, Upgrade skills, weapons, and train

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Some Money | $0.99 | one-time |
| Some Energy | $0.99 | one-time |
| Money Pile | $1.99 | one-time |
| No Ads | $2.99 | one-time |
| Pack of Energy | $3.99 | one-time |
| Booster Pack | $4.99 | one-time |
| Mountain of Money | $5.99 | one-time |
| Chest of Energy | $5.99 | one-time |
| Heap of Money | $9.99 | one-time |
| Money Bag | $19.99 | one-time |


### Primal Evolution

[App page](https://appshunter.io/ios/app/primal-evolution-jungle-king/id6761681227)

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

**In-app purchases:** none


## Frequently asked questions

### Is Train Survivor free?

Train Survivor is free to download, with in-app purchases available.

### Is Primal Evolution free?

Primal Evolution costs $3.99, with no in-app purchases.

### Do Train Survivor or Primal Evolution have ads?

Train Survivor shows ads; Primal Evolution does not.

### Which is updated more often, Train Survivor or Primal Evolution?

Train Survivor ships an update every 3 months, and Primal Evolution daily. Most recently, Train Survivor was updated on October 16, 2026 and Primal Evolution on October 12, 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.*