# Frustum vs Widgylock

The clearest difference is in-app purchases: Frustum at none against Widgylock's 2. Frustum also leads on ads (none vs shown) and update cadence (daily vs weekly). On price and iOS requirement there is nothing between them.

Both are free to download. Widgylock sells 2 in-app purchases, starting at $2.99 per 7 days. Frustum asks for nothing beyond the download.

Frustum ships an update daily, Widgylock weekly. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Frustum | Widgylock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/frustum/id1622037286/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Weekly |
| Monetization | Free | — |
| Size | 7 MB | 11 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Brett Kuprel](https://appshunter.io/developer/1381546575) | [Dogancan Mavideniz](https://appshunter.io/developer/1645910174) |

## What reviewers say

### Frustum

[App page](https://appshunter.io/ios/app/frustum/id1622037286)

Visualize 3D viewing frustums in an immersive experience. This application allows users to explore and understand the geometric concept of a frustum. It's a straightforward tool for educational or design purposes.

**Highlights:** 3D frustum visualization, Immersive experience, Educational tool, Design exploration

**Features:** macOS Compatibility

**In-app purchases:** none


### Widgylock

[App page](https://appshunter.io/ios/app/widgylock-custom-lock-screen/id6443436392)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium features for 1 week | $2.99 | per 7 days |
| Yearly Premium | $8.99 | per year |


## Frequently asked questions

### Is Frustum free?

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

### Is Widgylock free?

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

### Do Frustum or Widgylock have ads?

Widgylock shows ads; Frustum does not.

### Which is updated more often, Frustum or Widgylock?

Frustum ships an update daily, and Widgylock weekly. Most recently, Frustum was updated on October 6, 2026 and Widgylock on October 12, 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.*