# Ad vs Unit Converter ++

The clearest difference is review sentiment: Ad at 76% against Unit Converter ++'s 20%. Ad also leads on rating (3.9 vs 1.6) and ads (none vs shown). Unit Converter ++'s advantage is in-app purchases (none vs 1). On price and device support there is nothing between them.

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

Ad holds the better App Store score, 3.9 against 1.6. That said, the two scores are not equally well evidenced: Ad has 56 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 76% of Ad's written reviews are positive against 20% of Unit Converter ++'s.

Ad ships an update every 3 months, Unit Converter ++ every 9 months. The most recent releases landed on October 29, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Ad | Unit Converter ++ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (56 ratings)](https://appshunter.io/ios/app/ad-free-unit-converter/id379646417/reviews)** | [1.6 (10 ratings)](https://appshunter.io/ios/app/unit-converter-plus-plus/id911329028/reviews) |
| Number of ratings | **56** | 10 |
| Positive reviews | **75.7% of reviews** | 20.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 9 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 7 MB | 6 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [William Jockusch](https://appshunter.io/developer/342126227) | [Nirav Patel](https://appshunter.io/developer/787086013) |

## What reviewers say

### Ad

[App page](https://appshunter.io/ios/app/ad-free-unit-converter/id379646417)

A straightforward unit converter designed for ease of use and efficiency. It offers a wide range of conversion options without any advertisements, saving battery and data. All conversions are performed on a single, intuitive screen.

**Highlights:** Ad-free experience, Intuitive single-screen interface, Supports acceleration, angle, area, density, distance, energy, force, mass, power, pressure, speed, temperature, time, and volume, Saves bandwidth and battery life, Easy to use

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Upgrade | $0.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🔒 No ads
- ✨ Great app overall
- 🚀 Efficient and fast
- 💻 Useful for everyday conversions

**What reviewers complain about**

- 🐛 Crashes on newer iOS versions
- 🔍 Missing some common units of measurement
- 🌐 Lacks support for non-US units

**Reported bugs**

- Crashes on iPhone XS Max
- Conversion errors for larger values
- Incompatible with latest iOS updates

**Requested features**

- Add more unit conversion options
- Implement a favorites/recent list
- Improve UI for easier navigation
- Add currency conversion feature
- Improve accuracy of some conversions


### 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


## Frequently asked questions

### Is Ad free?

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

### Is Unit Converter ++ free?

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

### Which has better reviews, Ad or Unit Converter ++?

Ad is rated higher. Ad averages 3.9 out of 5 from 56 ratings, while Unit Converter ++ averages 1.6 from 10 ratings.

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

Unit Converter ++ shows ads; Ad does not.

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

Ad ships an update every 3 months, and Unit Converter ++ every 9 months. Most recently, Ad was updated on October 29, 2026 and Unit Converter ++ on October 9, 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.*