# Simple vs Dipole ck

The clearest difference is update cadence: Dipole ck at every 10 days against Simple's every 2 months. Simple's advantage is iOS requirement (18.2 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Simple sells 2 in-app purchases, starting at $1.99 per month and Dipole ck sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Simple ships an update every 2 months, Dipole ck every 10 days. The most recent releases landed on October 28, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Simple | Dipole ck |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Size | 4 MB | 3 MB |
| Requires iOS | **18.2** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NonexHere OU](https://appshunter.io/developer/1695942648) | [Christian Krause](https://appshunter.io/developer/1890690295) |

## What reviewers say

### Simple

[App page](https://appshunter.io/ios/app/simple-currency-converter/id6743161170)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus (monthly) | $1.99 | per month |
| Plus (yearly) | $17.99 | per year |


### Dipole ck

[App page](https://appshunter.io/ios/app/dipole-ck/id6802010459)

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version One-time | $6.99 | one-time |


## Frequently asked questions

### Is Simple free?

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

### Is Dipole ck free?

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

### Do Simple or Dipole ck have ads?

Neither Simple nor Dipole ck shows ads.

### Which is updated more often, Simple or Dipole ck?

Simple ships an update every 2 months, and Dipole ck every 10 days. Most recently, Simple was updated on October 28, 2026 and Dipole ck on November 8, 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.*