# Just a Simple Calculator vs GrainCOM Events

Just a Simple Calculator and GrainCOM Events are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Just a Simple Calculator ships an update every 5 months, GrainCOM Events every 7 months. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Just a Simple Calculator | GrainCOM Events |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 7 months |
| Monetization | Free | — |
| Size | 24 MB | 65 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Onur Hazar](https://appshunter.io/developer/815533584) | [Invent-App](https://appshunter.io/developer/1437267222) |

## 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


### GrainCOM Events

[App page](https://appshunter.io/ios/app/graincom-events/id6743443496)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Just a Simple Calculator free?

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

### Is GrainCOM Events free?

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

### Do Just a Simple Calculator or GrainCOM Events have ads?

Neither Just a Simple Calculator nor GrainCOM Events shows ads.

### Which is updated more often, Just a Simple Calculator or GrainCOM Events?

Just a Simple Calculator ships an update every 5 months, and GrainCOM Events every 7 months. Most recently, Just a Simple Calculator was updated on October 21, 2026 and GrainCOM Events on October 25, 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.*