# Length Converter vs keyboard2

The clearest difference is rating: Length Converter at 4.8 against keyboard2's 3.7. Length Converter also leads on in-app purchases (none vs 3) and device support (3 vs 1). keyboard2's advantage is update cadence (every 8 days vs every 72 months). On price, ratings volume and ads there is nothing between them.

Both are free to download. keyboard2 sells 3 in-app purchases, starting at $0.99 per month. Length Converter asks for nothing beyond the download.

Length Converter holds the better App Store score, 4.8 against 3.7. Both are backed by a comparable volume of ratings — 12 and 21 respectively.

Length Converter ships an update every 72 months, keyboard2 every 8 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Length Converter | keyboard2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (12 ratings)](https://appshunter.io/ios/app/length-converter/id1533575399/reviews)** | [3.7 (21 ratings)](https://appshunter.io/ios/app/keyboard2/id6444161877/reviews) |
| Number of ratings | 12 | **21** |
| Positive reviews | — | 62.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 72 months | **Every 8 days** |
| Monetization | Paid | **Free** |
| Size | 2 MB | 117 MB |
| Requires iOS | **13.4** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Anna Filobok](https://appshunter.io/developer/1613515832) | [TechAmigos](https://appshunter.io/developer/1651215877) |

## What reviewers say

### Length Converter

[App page](https://appshunter.io/ios/app/length-converter/id1533575399)

Easily convert lengths between various units including feet, inches, meters, decimeters, centimeters, and millimeters. This tool is designed for quick and accurate conversions for a wide range of users.

**Highlights:** Converts feet, inches, meters, decimeters, centimeters, millimeters, Fast and accurate conversions, User-friendly interface, Supports multiple units

**Features:** macOS Compatibility

**In-app purchases:** none


### keyboard2

[App page](https://appshunter.io/ios/app/keyboard2/id6444161877)

A privacy-focused keyboard app offering a familiar interface with advanced customization. Enjoy features like a separate number row, long-tap symbols, and diverse layouts. It also provides predictions, emoji access, and theme options to enhance your typing experience.

**Highlights:** Long-tap symbols, Separate number row, Multiple keyboard layouts, Access to special characters, Typing predictions, Emoji search and quick access, Customizable themes

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.99 | per month |
| Premium Yearly | $6.99 | per year |
| Lifetime unlock | $14.99 | one-time |


## Frequently asked questions

### Is Length Converter free?

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

### Is keyboard2 free?

keyboard2 is free to download, with in-app purchases available.

### Which has better reviews, Length Converter or keyboard2?

Length Converter is rated higher. Length Converter averages 4.8 out of 5 from 12 ratings, while keyboard2 averages 3.7 from 21 ratings.

### Do Length Converter or keyboard2 have ads?

Neither Length Converter nor keyboard2 shows ads.

### Which is updated more often, Length Converter or keyboard2?

Length Converter ships an update every 72 months, and keyboard2 every 8 days. Most recently, Length Converter was updated on October 24, 2026 and keyboard2 on October 28, 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.*