# The Simple Calculator vs iNotify Agent

The clearest difference is in-app purchases: iNotify Agent at none against The Simple Calculator's 1. iNotify Agent also leads on ads (none vs shown) and iOS requirement (10.0 vs 12.0). The Simple Calculator's advantage is update cadence (weekly vs every 9 months). On price and device support there is nothing between them.

Both are free to download. The Simple Calculator sells 1 one-off in-app purchase. iNotify Agent asks for nothing beyond the download.

The Simple Calculator ships an update weekly, iNotify Agent every 9 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | The Simple Calculator | iNotify Agent |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (189 ratings)](https://appshunter.io/ios/app/the-simple-calculator-solve/id1525169566/reviews)** | — |
| Number of ratings | **189** | — |
| Positive reviews | 76.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 9 months |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 102 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andreas Skotadis](https://appshunter.io/developer/1525168367) | [TIGERtms](https://appshunter.io/developer/393501373) |

## What reviewers say

### The Simple Calculator

[App page](https://appshunter.io/ios/app/the-simple-calculator-solve/id1525169566)

This app offers a straightforward way to perform everyday calculations, including basic arithmetic, roots, percentages, and geometric formulas for common shapes. It supports fractions and offers convenient features like dark mode and copy-paste functionality.

**Highlights:** Basic arithmetic operations, Roots and percentages, Geometric calculations for shapes, Fraction support, Portrait and landscape modes, Dark mode, Copy and paste results

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### iNotify Agent

[App page](https://appshunter.io/ios/app/inotify-agent/id1561224574)

**In-app purchases:** none


## Frequently asked questions

### Is The Simple Calculator free?

The Simple Calculator is free to download, with in-app purchases available.

### Is iNotify Agent free?

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

### Do The Simple Calculator or iNotify Agent have ads?

The Simple Calculator shows ads; iNotify Agent does not.

### Which is updated more often, The Simple Calculator or iNotify Agent?

The Simple Calculator ships an update weekly, and iNotify Agent every 9 months. Most recently, The Simple Calculator was updated on November 3, 2026 and iNotify Agent on October 30, 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.*