# Docrux vs Thread Gauge

The clearest difference is in-app purchases: Thread Gauge at none against Docrux's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Docrux sells 2 in-app purchases, starting at $4.99 per month. Thread Gauge asks for nothing beyond the download.

Docrux ships an update weekly, Thread Gauge every 6 days. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Docrux | Thread Gauge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/thread-gauge/id6781018381/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 90 MB | 4 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Dmitrii Kostin](https://appshunter.io/developer/1896671056) | [Imad Jawad](https://appshunter.io/developer/6781018383) |

## What reviewers say

### Docrux

[App page](https://appshunter.io/ios/app/docrux-document-organizer/id6769588385)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Docrux Pro | $4.99 | per month |
| Docrux Pro Annual | $39.99 | per year |


### Thread Gauge

[App page](https://appshunter.io/ios/app/thread-gauge/id6781018381)

This app transforms your iPhone into a precise thread measurement tool. Simply photograph a screw next to a reference card to accurately determine its pitch and diameter, identifying the closest standard in both metric and imperial units.

**Highlights:** Measures metric and imperial threads, Identifies closest standard match, Uses reference card for scale, On-screen guidance for photography, Offline processing, no data tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is Docrux free?

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

### Is Thread Gauge free?

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

### Do Docrux or Thread Gauge have ads?

Neither Docrux nor Thread Gauge shows ads.

### Which is updated more often, Docrux or Thread Gauge?

Docrux ships an update weekly, and Thread Gauge every 6 days. Most recently, Docrux was updated on October 13, 2026 and Thread Gauge on October 10, 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.*