# btkbd vs CalcGrid

The clearest difference is price: btkbd at Free against CalcGrid's $0.99. CalcGrid's advantage is in-app purchases (none vs 1) and update cadence (every 3 days vs fortnightly). On ads and device support there is nothing between them.

btkbd is free to download; CalcGrid costs $0.99 up front. btkbd sells 1 one-off in-app purchase. CalcGrid asks for nothing beyond the download.

btkbd ships an update fortnightly, CalcGrid every 3 days. The most recent releases landed on October 14, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | btkbd | CalcGrid |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.0 (13 ratings)](https://appshunter.io/ios/app/btkbd/id6739158273/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free | — |
| Size | 7 MB | 0 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Iaroslav Mironov](https://appshunter.io/developer/1630480538) | [VIADEX VENTURES INC](https://appshunter.io/developer/1792353141) |

## What reviewers say

### btkbd

[App page](https://appshunter.io/ios/app/btkbd/id6739158273)

Transform your phone into a full-sized Bluetooth keyboard for various devices like laptops, tablets, and smart TVs. Easily type emails, messages, and more without needing extra hardware. Ideal for on-the-go use or when you need a convenient typing solution.

**Highlights:** Turns phone into a full-sized keyboard, Connects via Bluetooth, Supports laptops, tablets, TVs, and consoles, Easy setup and pairing, Convenient for travel and remote use, Type emails, messages, and notes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| btkbd.pro | $3.99 | one-time |


### CalcGrid

[App page](https://appshunter.io/ios/app/calcgrid/id6744668495)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is btkbd free?

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

### Is CalcGrid free?

CalcGrid costs $0.99, with no in-app purchases.

### Do btkbd or CalcGrid have ads?

Neither btkbd nor CalcGrid shows ads.

### Which is updated more often, btkbd or CalcGrid?

btkbd ships an update fortnightly, and CalcGrid every 3 days. Most recently, btkbd was updated on October 14, 2026 and CalcGrid on September 30, 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.*