# AngleCalculator vs Keyword Highlighter

The clearest difference is price: AngleCalculator at Free against Keyword Highlighter's $2.99. AngleCalculator also leads on update cadence (weekly vs monthly) and iOS requirement (15.0 vs 17.6). Keyword Highlighter's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

AngleCalculator is free to download; Keyword Highlighter costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AngleCalculator ships an update weekly, Keyword Highlighter monthly. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | AngleCalculator | Keyword Highlighter |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.6 (89 ratings)](https://appshunter.io/ios/app/anglecalculator/id1116393725/reviews)** | — |
| Number of ratings | **89** | — |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Monthly |
| Monetization | Ad-supported | — |
| Size | 3 MB | 2 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [EIICHI KOMINE](https://appshunter.io/developer/495643581) | [家贺 万](https://appshunter.io/developer/1820076368) |

## What reviewers say

### AngleCalculator

[App page](https://appshunter.io/ios/app/anglecalculator/id1116393725)

This app simplifies angle calculations and conversions. It handles degrees, minutes, and seconds (DMS) for applications in construction, surveying, and GPS. Perform conversions, mixed calculations, and track your history.

**Highlights:** Degrees to DMS conversion, DMS to Degrees conversion, Mixed angle calculations, Continuous angle calculations, Calculation history

**Features:** Vision Pro support

**In-app purchases:** none


### Keyword Highlighter

[App page](https://appshunter.io/ios/app/keyword-highlighter/id6755597747)

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AngleCalculator free?

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

### Is Keyword Highlighter free?

Keyword Highlighter costs $2.99, with no in-app purchases.

### Do AngleCalculator or Keyword Highlighter have ads?

AngleCalculator shows ads; Keyword Highlighter does not.

### Which is updated more often, AngleCalculator or Keyword Highlighter?

AngleCalculator ships an update weekly, and Keyword Highlighter monthly. Most recently, AngleCalculator was updated on October 21, 2026 and Keyword Highlighter on October 25, 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.*