# Towerium vs Spire

The clearest difference is in-app purchases: Spire at none against Towerium's 5. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Towerium sells 5 one-off in-app purchases. Spire asks for nothing beyond the download.

## The numbers

| Metric | Towerium | Spire |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 8 days | — |
| Size | 37 MB | 69 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Aliaksandr Yanukovich](https://appshunter.io/developer/1896265513) | [Cristopher Guido](https://appshunter.io/developer/1849716676) |

## What reviewers say

### Towerium

[App page](https://appshunter.io/ios/app/towerium-idle-tower-defense/id6766281993)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Crystals | $0.99 | one-time |
| Starter Pack | $1.99 | one-time |
| Medium Crystals | $3.99 | one-time |
| Large Crystals | $7.99 | one-time |
| Mega Crystals | $14.99 | one-time |


### Spire

[App page](https://appshunter.io/ios/app/spire-tower-stack/id6781474812)

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

**In-app purchases:** none


## Frequently asked questions

### Is Towerium free?

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

### Is Spire free?

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

### Do Towerium or Spire have ads?

Both Towerium and Spire show ads.

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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.*