# KindRing vs Simple Calculator

The clearest difference is price: KindRing at Free against Simple Calculator's $0.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | KindRing | Simple Calculator |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 weeks |
| Size | 3 MB | 2 MB |
| Requires iOS | 17 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [贺 周](https://appshunter.io/developer/1815397078) | [SMART BIT K.K](https://appshunter.io/developer/1896559487) |

## What reviewers say

### KindRing

[App page](https://appshunter.io/ios/app/kindring/id6763245870)

**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 KindRing free?

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

### Is Simple Calculator free?

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

### Do KindRing or Simple Calculator have ads?

Neither KindRing nor Simple Calculator shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*