# iBigCalc vs AllyClock

The clearest difference is ads: AllyClock at none against iBigCalc's shown. iBigCalc's advantage is iOS requirement (17 vs 26.0). On price, 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.

## The numbers

| Metric | iBigCalc | AllyClock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Size | 5 MB | 3 MB |
| Requires iOS | **17** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Manh Phi Nguyen](https://appshunter.io/developer/1461707344) | [Wonseok Lee](https://appshunter.io/developer/1801568032) |

## What reviewers say

### iBigCalc

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

**Features:** macOS Compatibility

**In-app purchases:** none


### AllyClock

[App page](https://appshunter.io/ios/app/allyclock/id6788983970)

**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 AllyClock free?

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

### Do iBigCalc or AllyClock have ads?

iBigCalc shows ads; AllyClock does not.

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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.*