# iBigCalc vs Customer Service Keyboard

The clearest difference is ads: Customer Service Keyboard at none against iBigCalc's shown. On price, update cadence, 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.

iBigCalc ships an update every 3 weeks, Customer Service Keyboard fortnightly. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | iBigCalc | Customer Service Keyboard |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 5 MB | 9 MB |
| Requires iOS | 17 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Manh Phi Nguyen](https://appshunter.io/developer/1461707344) | [EasyMeta](https://appshunter.io/developer/1753006440) |

## What reviewers say

### iBigCalc

[App page](https://appshunter.io/ios/app/ibigcalc/id6760924865)

**Features:** macOS Compatibility

**In-app purchases:** none


### Customer Service Keyboard

[App page](https://appshunter.io/ios/app/customer-service-keyboard/id6774846835)

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

**In-app purchases:** none


## Frequently asked questions

### Is iBigCalc free?

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

### Is Customer Service Keyboard free?

Customer Service Keyboard is free to download, with no in-app purchases.

### Do iBigCalc or Customer Service Keyboard have ads?

iBigCalc shows ads; Customer Service Keyboard does not.

### Which is updated more often, iBigCalc or Customer Service Keyboard?

iBigCalc ships an update every 3 weeks, and Customer Service Keyboard fortnightly. Most recently, iBigCalc was updated on November 9, 2026 and Customer Service Keyboard on November 5, 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.*