# CalKeyboard vs DriverTone 司機通

The clearest difference is ads: CalKeyboard at none against DriverTone 司機通's shown. DriverTone 司機通's advantage is update cadence (every 2 days vs every 8 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. CalKeyboard sells 1 one-off in-app purchase and DriverTone 司機通 sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

CalKeyboard ships an update every 8 months, DriverTone 司機通 every 2 days. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | CalKeyboard | DriverTone 司機通 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (5 ratings)](https://appshunter.io/ios/app/calkeyboard/id1269400175/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 86 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FebesGoods Studio](https://appshunter.io/developer/597141225) | [Cho Ho Chung](https://appshunter.io/developer/1820348746) |

## What reviewers say

### CalKeyboard

[App page](https://appshunter.io/ios/app/calkeyboard/id1269400175)

This keyboard app integrates a calculator directly into your typing experience. Perform calculations without leaving your current application. It's designed for quick math needs while messaging or working.

**Highlights:** Integrated calculator, Type and calculate simultaneously, Seamless integration, Quick calculations

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $0.99 | one-time |


### DriverTone 司機通

[App page](https://appshunter.io/ios/app/drivertone/id6788904638)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 司機通 Premium 月費 | $0.99 | per month |


## Frequently asked questions

### Is CalKeyboard free?

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

### Is DriverTone 司機通 free?

DriverTone 司機通 is free to download, with in-app purchases available.

### Do CalKeyboard or DriverTone 司機通 have ads?

DriverTone 司機通 shows ads; CalKeyboard does not.

### Which is updated more often, CalKeyboard or DriverTone 司機通?

CalKeyboard ships an update every 8 months, and DriverTone 司機通 every 2 days. Most recently, CalKeyboard was updated on October 11, 2026 and DriverTone 司機通 on October 7, 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.*