# Units Converter Pro vs Hole Pattern Programming App

The clearest difference is in-app purchases: Hole Pattern Programming App at none against Units Converter Pro's 1. Units Converter Pro's advantage is iOS requirement (9.3 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Units Converter Pro sells 1 one-off in-app purchase. Hole Pattern Programming App asks for nothing beyond the download.

Units Converter Pro ships an update every 3 days, Hole Pattern Programming App every 6 days. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Units Converter Pro | Hole Pattern Programming App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (4 ratings)](https://appshunter.io/ios/app/units-converter-pro/id1541377300/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 6 days |
| Monetization | Free | — |
| Size | 11 MB | 22 MB |
| Requires iOS | **9.3** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Nixus Development](https://appshunter.io/developer/495677027) | [Shekhar Aggarwal](https://appshunter.io/developer/1856886128) |

## What reviewers say

### Units Converter Pro

[App page](https://appshunter.io/ios/app/units-converter-pro/id1541377300)

Easily convert over 700 different units across various categories like length, area, currency, and temperature. This tool simplifies complex conversions for everyday use and professional needs.

**Highlights:** Converts 700+ units, Supports Angle, Area, Currency, Includes Data, Energy, Force, Covers Fuel, Length, Power, Handles Pressure, Speed, Temperature, Converts Time and Volume

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| remove ads | $1.99 | one-time |


### Hole Pattern Programming App

[App page](https://appshunter.io/ios/app/hole-pattern-programming-app/id6758404032)

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

**In-app purchases:** none


## Frequently asked questions

### Is Units Converter Pro free?

Units Converter Pro is free to download, with in-app purchases available.

### Is Hole Pattern Programming App free?

Hole Pattern Programming App is free to download, with no in-app purchases.

### Do Units Converter Pro or Hole Pattern Programming App have ads?

Neither Units Converter Pro nor Hole Pattern Programming App shows ads.

### Which is updated more often, Units Converter Pro or Hole Pattern Programming App?

Units Converter Pro ships an update every 3 days, and Hole Pattern Programming App every 6 days. Most recently, Units Converter Pro was updated on October 3, 2026 and Hole Pattern Programming App on October 2, 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.*