# NeonSiege vs Synapse

The clearest difference is in-app purchases: NeonSiege at none against Synapse's 2. NeonSiege also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Synapse sells 2 one-off in-app purchases. NeonSiege asks for nothing beyond the download.

## The numbers

| Metric | NeonSiege | Synapse |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 days |
| Size | 2 MB | 228 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 9+ | 12+ |
| Developer | [Premium Infinity s.r.o.](https://appshunter.io/developer/1852396439) | [Disquiet Studio](https://appshunter.io/developer/6807713912) |

## What reviewers say

### NeonSiege

[App page](https://appshunter.io/ios/app/neonsiege/id6781257533)

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

**In-app purchases:** none


### Synapse

[App page](https://appshunter.io/ios/app/synapse-tower-defense/id6807713910)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Maps | $9.99 | one-time |
| Unlock The Cortex | $9.99 | one-time |


## Frequently asked questions

### Is NeonSiege free?

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

### Is Synapse free?

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

### Do NeonSiege or Synapse have ads?

Synapse shows ads; NeonSiege does not.

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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.*