# Bluetoothkey Lock vs Calculator Pro

The clearest difference is in-app purchases: Bluetoothkey Lock at none against Calculator Pro's 3. Bluetoothkey Lock also leads on iOS requirement (9.0 vs 11.0). Calculator Pro's advantage is rating (5.0 vs 4.8) and update cadence (every 3 weeks vs every 2 months). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Calculator Pro sells 3 in-app purchases, starting at $1.99 per 7 days. Bluetoothkey Lock asks for nothing beyond the download.

Calculator Pro holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 4 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Bluetoothkey Lock ships an update every 2 months, Calculator Pro every 3 weeks. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Bluetoothkey Lock | Calculator Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (4 ratings)](https://appshunter.io/ios/app/bluetoothkey-lock/id1487935489/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/calculator-pro-math-on-watch/id1503448955/reviews)** |
| Number of ratings | 4 | 4 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Freemium |
| Size | 23 MB | 69 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [ZENDACCESS, INC](https://appshunter.io/developer/1459958265) | [Vulcan Labs Company Limited](https://appshunter.io/developer/1263008826) |

## What reviewers say

### Bluetoothkey Lock

[App page](https://appshunter.io/ios/app/bluetoothkey-lock/id1487935489)

Unlock community access using your smartphone. This application provides next-generation access solutions for various communities, simplifying entry and management.

**Highlights:** Smartphone access, Community entry, Next-gen access solutions, Simplified management

**Features:** macOS Compatibility

**In-app purchases:** none


### Calculator Pro

[App page](https://appshunter.io/ios/app/calculator-pro-math-on-watch/id1503448955)

Perform basic and complex calculations on your Apple Watch and iPhone. Access a history of your equations and edit them. Upgrade for advanced features like currency conversion and ad-free experience.

**Highlights:** Basic & Complex Calculations, History Records, Edit Equation, Dark Mode Support, Currency Converter, Fraction Calculator

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $1.99 | per 7 days |
| Monthly Premium | $4.49 | per month |
| Lifetime Premium | $49.99 | one-time |


## Frequently asked questions

### Is Bluetoothkey Lock free?

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

### Is Calculator Pro free?

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

### Which has better reviews, Bluetoothkey Lock or Calculator Pro?

Calculator Pro is rated higher. Bluetoothkey Lock averages 4.8 out of 5 from 4 ratings, while Calculator Pro averages 5.0 from 4 ratings.

### Do Bluetoothkey Lock or Calculator Pro have ads?

Neither Bluetoothkey Lock nor Calculator Pro shows ads.

### Which is updated more often, Bluetoothkey Lock or Calculator Pro?

Bluetoothkey Lock ships an update every 2 months, and Calculator Pro every 3 weeks. Most recently, Bluetoothkey Lock was updated on October 12, 2026 and Calculator Pro on October 8, 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.*