# Just a Simple Calculator vs Lullab

The clearest difference is in-app purchases: Just a Simple Calculator at none against Lullab's 2. Just a Simple Calculator also leads on iOS requirement (13.0 vs 17). On price, ads and device support there is nothing between them.

Both are free to download. Lullab sells 2 in-app purchases, starting at $2.99 per month. Just a Simple Calculator asks for nothing beyond the download.

## The numbers

| Metric | Just a Simple Calculator | Lullab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/just-a-simple-calculator/id6471594951/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Monetization | Free | — |
| Size | 24 MB | 3 MB |
| Requires iOS | **13.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Onur Hazar](https://appshunter.io/developer/815533584) | [贺 周](https://appshunter.io/developer/1815397078) |

## What reviewers say

### Just a Simple Calculator

[App page](https://appshunter.io/ios/app/just-a-simple-calculator/id6471594951)

This app offers a whimsical and stylish approach to basic arithmetic. It goes beyond simple calculations with delightful animations and customizable covers, making math tasks more engaging and elegant.

**Highlights:** Basic arithmetic operations, Delightful animations, User-friendly interface, Customizable calculator covers, Elegant color palette

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

**In-app purchases:** none


### Lullab

[App page](https://appshunter.io/ios/app/lullab/id6767858675)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lullab Premium Monthly | $2.99 | per month |
| Lullab Premium Yearly | $19.99 | per year |


## Frequently asked questions

### Is Just a Simple Calculator free?

Just a Simple Calculator is free to download, with no in-app purchases.

### Is Lullab free?

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

### Do Just a Simple Calculator or Lullab have ads?

Neither Just a Simple Calculator nor Lullab shows ads.

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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.*