# fontFormat vs Proteus Unit Converter

The clearest difference is review sentiment: Proteus Unit Converter at 100% against fontFormat's 0%. Proteus Unit Converter also leads on rating (5.0 vs 1.0) and update cadence (every 6 days vs every 3 months). fontFormat's advantage is iOS requirement (14.1 vs 17.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. fontFormat sells 10 one-off in-app purchases and Proteus Unit Converter sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Proteus Unit Converter holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 0% of fontFormat's written reviews are positive against 100% of Proteus Unit Converter's.

fontFormat ships an update every 3 months, Proteus Unit Converter every 6 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | fontFormat | Proteus Unit Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/fontformat-unique-fonts/id1619618519/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/proteus-unit-converter-ai/id6771934129/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 3 MB | 9 MB |
| Requires iOS | **14.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Oleksiy Yudin](https://appshunter.io/developer/1685980984) | [KKB CoRi Technologies Private Limited](https://appshunter.io/developer/1887008624) |

## What reviewers say

### fontFormat

[App page](https://appshunter.io/ios/app/fontformat-unique-fonts/id1619618519)

Generate unique text styles like strikethrough and circled letters without needing an extra keyboard. Create distinctive nicknames and use multiple styles within a single word or phrase. Supports Cyrillic and Latin alphabets.

**Highlights:** Unique font styles, Strikethrough text, Circled letters, Nickname generator, Multiple styles per word, Cyrillic and Latin support

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Линия | $0.99 | one-time |
| Двойная диагональ | $0.99 | one-time |
| Диагональ | $0.99 | one-time |
| Старинный | $0.99 | one-time |
| Волна по центру | $0.99 | one-time |
| Пунктир | $0.99 | one-time |
| Квадрат | $0.99 | one-time |
| Солнце | $0.99 | one-time |
| Черный круг | $0.99 | one-time |
| Перевёрнутый | $0.99 | one-time |


### Proteus Unit Converter

[App page](https://appshunter.io/ios/app/proteus-unit-converter-ai/id6771934129)

This app offers instant conversions for over 350 units across 28 categories, including compound measurements and live currency exchange rates. It features an AI assistant for natural language queries and voice input for hands-free operation.

**Highlights:** Compound unit conversions, Live currency exchange rates, AI assistant for natural language queries, Voice input for hands-free conversions, Extensive unit categories, Customizable interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Proteus Full Access | $2.49 | one-time |


## Frequently asked questions

### Is fontFormat free?

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

### Is Proteus Unit Converter free?

Proteus Unit Converter is free to download, with in-app purchases available.

### Which has better reviews, fontFormat or Proteus Unit Converter?

Proteus Unit Converter is rated higher. fontFormat averages 1.0 out of 5 from 1 ratings, while Proteus Unit Converter averages 5.0 from 1 ratings.

### Do fontFormat or Proteus Unit Converter have ads?

Neither fontFormat nor Proteus Unit Converter shows ads.

### Which is updated more often, fontFormat or Proteus Unit Converter?

fontFormat ships an update every 3 months, and Proteus Unit Converter every 6 days. Most recently, fontFormat was updated on November 3, 2026 and Proteus Unit Converter on October 31, 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.*