# Troll Defense vs unPi Five

The clearest difference is in-app purchases: unPi Five at none against Troll Defense's 1. unPi Five also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Troll Defense sells 1 one-off in-app purchase. unPi Five asks for nothing beyond the download.

Troll Defense ships an update every 14 months, unPi Five every 19 months. The most recent releases landed on October 9, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Troll Defense | unPi Five |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/troll-defense/id982810187/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 14 months** | Every 19 months |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 17 MB |
| Requires iOS | **15.0** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Brandon Stecklein](https://appshunter.io/developer/498894252) | [Asociația unPi pentru Școlari](https://appshunter.io/developer/1553905842) |

## What reviewers say

### Troll Defense

[App page](https://appshunter.io/ios/app/troll-defense/id982810187)

Defend the middle kingdom from invading trolls by strategically building towers. This epic tower defense game challenges players to stop the evil trolls of Mt. Golash from escaping. Enjoy a free, engaging strategy experience with potential for future improvements based on user feedback.

**Highlights:** Strategic tower building, Defend against invading trolls, Epic mobile TD gameplay, Free to play, User feedback driven updates

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advertising Removal | $1.99 | one-time |


### unPi Five

[App page](https://appshunter.io/ios/app/unpi-five/id1670346794)

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support, SharePlay

**In-app purchases:** none


## Frequently asked questions

### Is Troll Defense free?

Troll Defense is free to download, with in-app purchases available.

### Is unPi Five free?

unPi Five is free to download, with no in-app purchases.

### Do Troll Defense or unPi Five have ads?

Troll Defense shows ads; unPi Five does not.

### Which is updated more often, Troll Defense or unPi Five?

Troll Defense ships an update every 14 months, and unPi Five every 19 months. Most recently, Troll Defense was updated on October 9, 2026 and unPi Five on October 17, 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.*