# "unit converter" App Store Keyword Difficulty — United States

"unit converter" has a difficulty score of 42/100 (Medium). The top results have an average of 30,163 reviews. 6 of 9 top apps include the keyword in their title. With good metadata optimization and targeted downloads, ranking in the top 10 is achievable.

Data measured July 29, 2026 from the top 9 ranking apps on the United States App Store.

## Difficulty

- **Score:** 42/100 (Medium)
- **Avg. reviews (top 9):** 30,163
- **Avg. rating (top 9):** 4.7
- **Title match:** 6/9 apps use the keyword in their title
- **Category:** Utilities
- **Store:** App Store
- **Country:** United States (us)
- **Measured:** July 29, 2026
- **Canonical:** https://trysonar.app/keyword-difficulty/unit-converter/ios/us

## Top 9 Ranking Apps

| Rank | App | Developer | Rating | Reviews | Keyword in title |
|-|-|-|-|-|-|
| 1 | Unit Converter - Best Unit App | Alan Mrvica | 4.8 | 190,113 | yes |
| 2 | Unit Converter - Pro Units App | Tue Nguyen Minh | 4.6 | 16,128 | yes |
| 3 | Unit Converter - Convert all | oWorld Software | 4.6 | 13,353 | yes |
| 4 | CONVERT UNITS | Adysseus | 4.7 | 1,319 | no |
| 5 | Convert Any Unit Lite | Cider Software LLC | 4.7 | 48,074 | no |
| 6 | Unit Converter - Scientific | Ahmet Burak Albayrak | 4.9 | 18 | yes |
| 7 | Converter+ (Units, Currencies) | TranCreative Software | 4.7 | 2,409 | no |
| 8 | Unit Converter - Smart convert | Giang Pham Thi | 5.0 | 2 | yes |
| 9 | Ad-Free Unit Converter | William Jockusch | 3.9 | 54 | yes |

## How this difficulty score is calculated

Sonar's difficulty score (0–100) analyzes the top 9 apps ranking for "unit converter" on the United States App Store as of July 29, 2026. It weighs title match quality, the install and review volumes of those apps, their average rating, and whether the keyword is dominated by established brands. A score of 0–30 means low competition, 30–60 moderate, and 60–100 highly competitive. Full methodology: https://trysonar.app/blog/keyword-difficulty-explained

## How to rank for "unit converter"

### Include "unit converter" in your app title

The App Store algorithm heavily weights title matches. Place "unit converter" or a close variant in your app title for the strongest ranking signal.

### Use your subtitle for keyword variations

Your iOS subtitle (30 chars) is the second-strongest ranking factor. Use a variation of "unit converter" here that doesn't repeat the title.

### Move fast — this keyword is accessible

At 42/100 difficulty, this keyword is within reach for a new app. Ship a well-optimized listing and you could rank within weeks.

### Build a keyword cluster

Use "unit converter" as your anchor keyword, then target 5-10 related long-tail terms in your keyword field and description to capture broader search traffic.

### Localize for more markets

Every country storefront is a separate ranking opportunity. Translate your metadata for the top 5-10 markets to multiply your organic traffic.

---

Source: https://trysonar.app/keyword-difficulty/unit-converter/ios/us — published by [Sonar](https://trysonar.app), an App Store Optimization platform for keyword research, difficulty analysis, and rank tracking.