# Θ vs National Gallery Audio Guide

The clearest difference is iOS requirement: Θ at 11.0 against National Gallery Audio Guide's 15.1. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Θ | National Gallery Audio Guide |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 6 weeks |
| Size | 1.1 GB | 85 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DIADRASIS LADAS I. & CO O.E.](https://appshunter.io/developer/1163797391) | [National Gallery Alexandros Soutsos Museum](https://appshunter.io/developer/1692647194) |

## What reviewers say

### Θ

[App page](https://appshunter.io/ios/app/ink/id6448503667)

**Features:** macOS Compatibility

**In-app purchases:** none


### National Gallery Audio Guide

[App page](https://appshunter.io/ios/app/national-gallery-audio-guide/id6450277413)

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

**In-app purchases:** none


## Frequently asked questions

### Is Θ free?

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

### Is National Gallery Audio Guide free?

National Gallery Audio Guide is free to download, with no in-app purchases.

### Do Θ or National Gallery Audio Guide have ads?

Neither Θ nor National Gallery Audio Guide shows 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.*