# Onetime Docs vs Materia AR

The clearest difference is in-app purchases: Onetime Docs at none against Materia AR's 2. Materia AR's advantage is update cadence (every 3 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Materia AR sells 2 in-app purchases, starting at $4.99 per month. Onetime Docs asks for nothing beyond the download.

Onetime Docs ships an update every 2 months, Materia AR every 3 days. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Onetime Docs | Materia AR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (9 ratings)](https://appshunter.io/ios/app/materia-ar-diagram-overlay/id6739417196/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 21 MB | 131 MB |
| Requires iOS | **15.5** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Gregory Estevez](https://appshunter.io/developer/1526914660) | [Trevor Beaton](https://appshunter.io/developer/964296034) |

## What reviewers say

### Onetime Docs

[App page](https://appshunter.io/ios/app/onetime-docs/id6479569089)

**Features:** macOS Compatibility

**In-app purchases:** none


### Materia AR

[App page](https://appshunter.io/ios/app/materia-ar-diagram-overlay/id6739417196)

This app uses AI and AR to help developers and makers identify circuit boards, visualize pinout diagrams, and get project recommendations. It offers tools for electronic calculations and custom overlay creation.

**Highlights:** AI-powered board recognition, Augmented reality visualization, Smart project recommendations, Professional circuit tools, Custom overlay creation, Save and organize board scans

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro Plan | $4.99 | per month |
| Yearly Pro Plan | $19.99 | per year |


## Frequently asked questions

### Is Onetime Docs free?

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

### Is Materia AR free?

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

### Do Onetime Docs or Materia AR have ads?

Neither Onetime Docs nor Materia AR shows ads.

### Which is updated more often, Onetime Docs or Materia AR?

Onetime Docs ships an update every 2 months, and Materia AR every 3 days. Most recently, Onetime Docs was updated on November 4, 2026 and Materia AR on October 30, 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.*