# Unit Converter ++ vs Conv3rtify

The clearest difference is in-app purchases: Unit Converter ++ at none against Conv3rtify's 1. Unit Converter ++ also leads on update cadence (every 9 months vs every 26 months) and iOS requirement (11.0 vs 15.1). Conv3rtify's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Conv3rtify sells 1 one-off in-app purchase. Unit Converter ++ asks for nothing beyond the download.

Unit Converter ++ ships an update every 9 months, Conv3rtify every 26 months. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Unit Converter ++ | Conv3rtify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.6 (10 ratings)](https://appshunter.io/ios/app/unit-converter-plus-plus/id911329028/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 9 months** | Every 26 months |
| Monetization | Ad-supported | — |
| Size | 6 MB | 40 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nirav Patel](https://appshunter.io/developer/787086013) | [Ilya Emeliyanov](https://appshunter.io/developer/1602343908) |

## What reviewers say

### Unit Converter ++

[App page](https://appshunter.io/ios/app/unit-converter-plus-plus/id911329028)

Easily convert between various units of measurement for length, weight, temperature, volume, and more. This offline tool is designed for travelers, students, and professionals needing quick conversions.

**Highlights:** Converts length, weight, temperature, volume, and more, Supports numerous units of measurement, Works offline, Useful for travelers, students, and professionals, Covers speed, area, pressure, power, and energy units

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

**In-app purchases:** none


### Conv3rtify

[App page](https://appshunter.io/ios/app/conv3rtify/id1602343906)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Conv3rtify+ | $2.99 | one-time |


## Frequently asked questions

### Is Unit Converter ++ free?

Unit Converter ++ is free to download, with no in-app purchases.

### Is Conv3rtify free?

Conv3rtify is free to download, with in-app purchases available.

### Do Unit Converter ++ or Conv3rtify have ads?

Unit Converter ++ shows ads; Conv3rtify does not.

### Which is updated more often, Unit Converter ++ or Conv3rtify?

Unit Converter ++ ships an update every 9 months, and Conv3rtify every 26 months. Most recently, Unit Converter ++ was updated on October 9, 2026 and Conv3rtify 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.*