# Last Front Defense vs Voltline

The clearest difference is in-app purchases: Last Front Defense at none against Voltline's 1. Last Front Defense also leads on iOS requirement (15.0 vs 17.0). Voltline's advantage is ads (none vs shown) and update cadence (every 4 weeks vs every 3 months). On price and device support there is nothing between them.

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

Last Front Defense ships an update every 3 months, Voltline every 4 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Last Front Defense | Voltline |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Size | 161 MB | 13 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 9+ |
| Developer | [Kuo Hsiung Chiu](https://appshunter.io/developer/1556190718) | [Olof Petterson](https://appshunter.io/developer/1808256024) |

## What reviewers say

### Last Front Defense

[App page](https://appshunter.io/ios/app/last-front-defense/id6756721063)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Last Front Defense free?

Last Front Defense is free to download, with no in-app purchases.

### Is Voltline free?

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

### Do Last Front Defense or Voltline have ads?

Last Front Defense shows ads; Voltline does not.

### Which is updated more often, Last Front Defense or Voltline?

Last Front Defense ships an update every 3 months, and Voltline every 4 weeks. Most recently, Last Front Defense was updated on October 30, 2026 and Voltline on October 31, 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.*