# TechRef vs ArrayDesk

The clearest difference is in-app purchases: ArrayDesk at none against TechRef's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. TechRef sells 1 one-off in-app purchase. ArrayDesk asks for nothing beyond the download.

TechRef ships an update every 3 days, ArrayDesk every 2 days. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | TechRef | ArrayDesk |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Size | 4 MB | 3 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MASARU KATO](https://appshunter.io/developer/1883480774) | [Steffen Goettle](https://appshunter.io/developer/6781787010) |

## What reviewers say

### TechRef

[App page](https://appshunter.io/ios/app/techref/id6775818457)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TechRef Pro | $6.99 | one-time |


### ArrayDesk

[App page](https://appshunter.io/ios/app/arraydesk/id6790435078)

**In-app purchases:** none


## Frequently asked questions

### Is TechRef free?

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

### Is ArrayDesk free?

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

### Do TechRef or ArrayDesk have ads?

Neither TechRef nor ArrayDesk shows ads.

### Which is updated more often, TechRef or ArrayDesk?

TechRef ships an update every 3 days, and ArrayDesk every 2 days. Most recently, TechRef was updated on October 11, 2026 and ArrayDesk on October 14, 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.*