# OpenSesame vs Simple Calculator

The clearest difference is price: OpenSesame at Free against Simple Calculator's $0.99. OpenSesame also leads on update cadence (weekly vs every 5 weeks) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

OpenSesame is free to download; Simple Calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

OpenSesame ships an update weekly, Simple Calculator every 5 weeks. Both last shipped on October 16, 2026.

## The numbers

| Metric | OpenSesame | Simple Calculator |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 weeks |
| Size | 31 MB | 2 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [David Jackson](https://appshunter.io/developer/1873012916) | [SMART BIT K.K](https://appshunter.io/developer/1896559487) |

## What reviewers say

### OpenSesame

[App page](https://appshunter.io/ios/app/opensesame-gate-code-manager/id6758457219)

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

**In-app purchases:** none


### Simple Calculator

[App page](https://appshunter.io/ios/app/simple-calculator-soft-keys/id6789476119)

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

**In-app purchases:** none


## Frequently asked questions

### Is OpenSesame free?

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

### Is Simple Calculator free?

Simple Calculator costs $0.99, with no in-app purchases.

### Do OpenSesame or Simple Calculator have ads?

Neither OpenSesame nor Simple Calculator shows ads.

### Which is updated more often, OpenSesame or Simple Calculator?

OpenSesame ships an update weekly, and Simple Calculator every 5 weeks. Most recently, OpenSesame was updated on October 16, 2026 and Simple Calculator on October 16, 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.*