# Unit Converter Pro HD. vs Unlimited Math Problems

The clearest difference is price: Unit Converter Pro HD. at $0.99 against Unlimited Math Problems's $5.99. Unit Converter Pro HD. also leads on review sentiment (87% vs 64%) and ratings volume (187 vs 53). Unlimited Math Problems's advantage is update cadence (every 3 weeks vs every 2 months). On rating, ads, in-app purchases and device support there is nothing between them.

Unit Converter Pro HD. costs $0.99 and Unlimited Math Problems $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.6 for Unit Converter Pro HD. against 4.5 for Unlimited Math Problems. Both are backed by a comparable volume of ratings — 187 and 53 respectively. Written reviews are what separate them: 87% of Unit Converter Pro HD.'s written reviews are positive against 64% of Unlimited Math Problems's.

Unit Converter Pro HD. ships an update every 2 months, Unlimited Math Problems every 3 weeks. The most recent releases landed on October 16, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Unit Converter Pro HD. | Unlimited Math Problems |
| --- | --- | --- |
| Price | **$0.99** | $5.99 |
| Rating | **[4.6 (187 ratings)](https://appshunter.io/ios/app/unit-converter-pro-hd/id458584668/reviews)** | [4.5 (53 ratings)](https://appshunter.io/ios/app/unlimited-math-problems/id1244547440/reviews) |
| Number of ratings | **187** | 53 |
| Positive reviews | **86.7% of reviews** | 64.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Paid |
| Size | 13 MB | 17 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [良峰 侯](https://appshunter.io/developer/654444245) | [Madiyar Aitbayev](https://appshunter.io/developer/1229466587) |

## What reviewers say

### Unit Converter Pro HD.

[App page](https://appshunter.io/ios/app/unit-converter-pro-hd/id458584668)

Easily convert between over 700 units of measure across 30 categories. This powerful tool acts as a universal assistant for all your conversion needs, saving you time and effort.

**Highlights:** 30 conversion categories, Over 700 units of measure, Backspace key for corrections, Intuitive and easy to use, Supports Dark Mode

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and efficient
- 👍 Easy to use
- 👍 Comprehensive unit conversions
- 👍 Accurate calculations
- 👍 Handy and useful

**What reviewers complain about**

- 🐛 Missing some important units
- 🔍 Difficult to navigate and find desired units
- 🔍 Cluttered interface with too many options
- 🔋 High battery consumption

**Reported bugs**

- Incorrect fuel consumption conversions
- Conversion values disappearing after update

**Requested features**

- Add support for more units (e.g. knots, stone, electron volts)
- Improve navigation and make it easier to find desired units
- Add portrait mode support
- Optimize interface for better usability


### Unlimited Math Problems

[App page](https://appshunter.io/ios/app/unlimited-math-problems/id1244547440)

Master your math skills with an app that generates an endless supply of practice problems. It offers various interaction types and covers multiple math subjects, suitable for all skill levels.

**Highlights:** Infinite problem generation, Keyboard, multiple choice, true/false inputs, Varied problem types per subject, Covers early math, arithmetic, fractions, number theory, decimals, trigonometry, Suitable for beginners and experienced users

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

**In-app purchases:** none


## Frequently asked questions

### Is Unit Converter Pro HD. free?

Unit Converter Pro HD. costs $0.99, with no in-app purchases.

### Is Unlimited Math Problems free?

Unlimited Math Problems costs $5.99, with no in-app purchases.

### Which has better reviews, Unit Converter Pro HD. or Unlimited Math Problems?

Unit Converter Pro HD. is rated higher. Unit Converter Pro HD. averages 4.6 out of 5 from 187 ratings, while Unlimited Math Problems averages 4.5 from 53 ratings.

### Do Unit Converter Pro HD. or Unlimited Math Problems have ads?

Neither Unit Converter Pro HD. nor Unlimited Math Problems shows ads.

### Which is updated more often, Unit Converter Pro HD. or Unlimited Math Problems?

Unit Converter Pro HD. ships an update every 2 months, and Unlimited Math Problems every 3 weeks. Most recently, Unit Converter Pro HD. was updated on October 16, 2026 and Unlimited Math Problems on October 12, 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.*