# Kami vs Simply Challenge

Kami and Simply Challenge 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. Kami sells 3 in-app purchases, starting at $9.99 per 7 days and Simply Challenge sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Kami ships an update every 9 days, Simply Challenge every 2 weeks. The most recent releases landed on October 31, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Kami | Simply Challenge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Size | 12 MB | 15 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [DIJITAL PILOT REKLAM SANAYI TICARET LIMITED SIRKETI](https://appshunter.io/developer/1881304693) | [TURKA YAZILIM VE DANISMANLIK TICARET LIMITED SIRKETI](https://appshunter.io/developer/1822907350) |

## What reviewers say

### Kami

[App page](https://appshunter.io/ios/app/kami-quick-notes/id6778155359)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Haftalık Premium | $9.99 | per 7 days |
| Aylık Premium | $19.99 | per month |
| Yıllık Premium | $39.99 | per year |


### Simply Challenge

[App page](https://appshunter.io/ios/app/simply-challenge-habit-goals/id6785622325)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $2.99 | per 7 days |
| Yearly Premium | $19.99 | per year |
| Lifetime Premium | $29.99 | one-time |


## Frequently asked questions

### Is Kami free?

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

### Is Simply Challenge free?

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

### Do Kami or Simply Challenge have ads?

Neither Kami nor Simply Challenge shows ads.

### Which is updated more often, Kami or Simply Challenge?

Kami ships an update every 9 days, and Simply Challenge every 2 weeks. Most recently, Kami was updated on October 31, 2026 and Simply Challenge on November 2, 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.*