# Blue Calculator+ vs BKV Deploy

The clearest difference is update cadence: Blue Calculator+ at every 10 days against BKV Deploy's every 2 months. Blue Calculator+ also leads on iOS requirement (10.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Blue Calculator+ ships an update every 10 days, BKV Deploy every 2 months. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Blue Calculator+ | BKV Deploy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/blue-calculator-plus/id1276052969/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | Free | — |
| Size | 26 MB | 48 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bryan Stone](https://appshunter.io/developer/1276052968) | [Bruel & Kjaer Vibro GmbH](https://appshunter.io/developer/1649553455) |

## What reviewers say

### Blue Calculator+

[App page](https://appshunter.io/ios/app/blue-calculator-plus/id1276052969)

A straightforward and lightweight calculator app offering essential functions like random number generation, exponents, roots, and logarithms. It also serves as a companion for Apple Watch users, providing convenient access to calculations on their wrist.

**Highlights:** Random number generator, Exponentials and exponents, Squares, cubes, and square roots, Logarithmic functions, Apple Watch companion app

**Features:** macOS Compatibility

**In-app purchases:** none


### BKV Deploy

[App page](https://appshunter.io/ios/app/bkv-deploy/id6443815861)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Blue Calculator+ free?

Blue Calculator+ is free to download, with no in-app purchases.

### Is BKV Deploy free?

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

### Do Blue Calculator+ or BKV Deploy have ads?

Neither Blue Calculator+ nor BKV Deploy shows ads.

### Which is updated more often, Blue Calculator+ or BKV Deploy?

Blue Calculator+ ships an update every 10 days, and BKV Deploy every 2 months. Most recently, Blue Calculator+ was updated on October 10, 2026 and BKV Deploy on October 6, 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.*