# Units Converter Pro vs im*PACT

The clearest difference is device support: Units Converter Pro at 3 against im*PACT's 1. Units Converter Pro also leads on iOS requirement (9.3 vs 16.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Units Converter Pro sells 1 one-off in-app purchase and im*PACT sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 days. Both last shipped on October 20, 2026.

## The numbers

| Metric | Units Converter Pro | im*PACT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (5 ratings)](https://appshunter.io/ios/app/units-converter-pro/id1541377300/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | Every 3 days |
| Monetization | Free | — |
| Size | 11 MB | 160 MB |
| Requires iOS | **9.3** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Nixus Development](https://appshunter.io/developer/495677027) | [Mykongsi Sdn Bhd](https://appshunter.io/developer/1751423252) |

## 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 |


### im*PACT

[App page](https://appshunter.io/ios/app/impact/id6458646568)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Marketplace Product | $5.99 | one-time |
| Marketplace Product | $7.99 | one-time |
| Marketplace Product | $8.99 | one-time |
| Marketplace Product | $9.99 | one-time |
| Marketplace Product | $12.99 | one-time |
| Marketplace Product | $14.99 | one-time |
| Marketplace Product | $17.99 | one-time |
| Marketplace Product | $19.99 | one-time |


## Frequently asked questions

### Is Units Converter Pro free?

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

### Is im*PACT free?

im*PACT is free to download, with in-app purchases available.

### Do Units Converter Pro or im*PACT have ads?

Neither Units Converter Pro nor im*PACT shows ads.

### Which is updated more often, Units Converter Pro or im*PACT?

Units Converter Pro ships an update every 3 days, and im*PACT every 3 days. Most recently, Units Converter Pro was updated on October 20, 2026 and im*PACT on October 20, 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.*