# Voltline vs PolyTowerz

The clearest difference is in-app purchases: PolyTowerz at none against Voltline's 1. Voltline's advantage is ads (none vs shown) and iOS requirement (17.0 vs 26.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Voltline sells 1 one-off in-app purchase. PolyTowerz asks for nothing beyond the download.

Voltline ships an update monthly, PolyTowerz every 2 weeks. The most recent releases landed on November 12, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Voltline | PolyTowerz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/polytowerz-tower-defense/id6769548337/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | — | Ad-supported |
| Size | 8 MB | 71 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 9+ | 9+ |
| Developer | [Olof Petterson](https://appshunter.io/developer/1808256024) | [Mustafa Karademir](https://appshunter.io/developer/1604081491) |

## What reviewers say

### Voltline

[App page](https://appshunter.io/ios/app/voltline-tower-defense/id6760507113)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Voltline PRO | $2.99 | one-time |


### PolyTowerz

[App page](https://appshunter.io/ios/app/polytowerz-tower-defense/id6769548337)

This is a tactical tower defense game focused on strategic placement and tower combinations. It features unique towers with distinct abilities and a deep meta-progression system. The game offers multiple modes, daily challenges, and offline play.

**Highlights:** 11 unique towers with distinct abilities, Tower fusion for hybrid combinations, Strategic synergy bonuses, Deep meta-progression and skill tree, Multiple game modes including endless and new game plus, Daily challenges and leaderboards, Offline play

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

**In-app purchases:** none


## Frequently asked questions

### Is Voltline free?

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

### Is PolyTowerz free?

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

### Do Voltline or PolyTowerz have ads?

PolyTowerz shows ads; Voltline does not.

### Which is updated more often, Voltline or PolyTowerz?

Voltline ships an update monthly, and PolyTowerz every 2 weeks. Most recently, Voltline was updated on November 12, 2026 and PolyTowerz on November 5, 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.*