# Mec Eng Tools vs Font Editor Keyboard

The clearest difference is update cadence: Font Editor Keyboard at every 3 days against Mec Eng Tools's every 2 months. Mec Eng Tools's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Mec Eng Tools sells 10 one-off in-app purchases and Font Editor Keyboard sells 3 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Mec Eng Tools ships an update every 2 months, Font Editor Keyboard every 3 days. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Mec Eng Tools | Font Editor Keyboard |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 21.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 7 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Eduardo Almeida](https://appshunter.io/developer/906209752) | [Polymath Company Limited](https://appshunter.io/developer/1072350394) |

## What reviewers say

### Mec Eng Tools

[App page](https://appshunter.io/ios/app/mec-eng-tools/id1046405234)

This utility app calculates thermodynamic properties using IAPWS-97 equations. It allows users to determine various properties like pressure, temperature, enthalpy, and specific volume based on different input parameters. The app supports multiple units for calculations.

**Highlights:** IAPWS-97 equation calculations, Calculate properties from pressure and temperature, Calculate properties from pressure and enthalpy, Calculate properties from pressure and entropy, Calculate properties from pressure and quality, Support for multiple units

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade Steam Tables | $3.99 | one-time |
| Stress & Strain | $4.99 | one-time |
| Machine Design | $4.99 | one-time |
| Pressure Vessels | $4.99 | one-time |
| Fluids & Piping Pack | $6.99 | one-time |
| Thermal Pack: Steam Complement | $6.99 | one-time |
| Thermal Sciences Pack | $10.49 | one-time |
| Solids & Design Pack | $10.49 | one-time |
| Collection: Steam Complement | $24.49 | one-time |
| Complete Engineering Collection | $27.99 | one-time |


### Font Editor Keyboard

[App page](https://appshunter.io/ios/app/font-editor-keyboard/id6776475237)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Font Editor Premium Monthly | $7.99 | per month |
| Font Editor Premium Yearly | $29.99 | per year |
| Font Editor Premium Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Mec Eng Tools free?

Mec Eng Tools is free to download, with in-app purchases available.

### Is Font Editor Keyboard free?

Font Editor Keyboard is free to download, with in-app purchases available.

### Do Mec Eng Tools or Font Editor Keyboard have ads?

Neither Mec Eng Tools nor Font Editor Keyboard shows ads.

### Which is updated more often, Mec Eng Tools or Font Editor Keyboard?

Mec Eng Tools ships an update every 2 months, and Font Editor Keyboard every 3 days. Most recently, Mec Eng Tools was updated on November 6, 2026 and Font Editor Keyboard 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.*