# Koichi Habit Tracker vs Ember

The clearest difference is in-app purchases: Koichi Habit Tracker at none against Ember's 3. Koichi Habit Tracker also leads on iOS requirement (15.0 vs 26.0). Ember's advantage is update cadence (weekly vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Ember sells 3 in-app purchases, starting at $1.99 per month. Koichi Habit Tracker asks for nothing beyond the download.

Koichi Habit Tracker ships an update every 3 weeks, Ember weekly. The most recent releases landed on October 6, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Koichi Habit Tracker | Ember |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 72 MB | 4 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Huntington Breast Cancer Action Coalition](https://appshunter.io/developer/1746759579) | [AppConsult](https://appshunter.io/developer/1818576565) |

## What reviewers say

### Koichi Habit Tracker

[App page](https://appshunter.io/ios/app/koichi-habit-tracker/id6756779567)

**In-app purchases:** none


### Ember

[App page](https://appshunter.io/ios/app/ember-menopause-tracker/id6760240954)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ember Premium Monthly | $1.99 | per month |
| Ember Premium Annual | $9.99 | per year |
| Ember Premium Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Koichi Habit Tracker free?

Koichi Habit Tracker is free to download, with no in-app purchases.

### Is Ember free?

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

### Do Koichi Habit Tracker or Ember have ads?

Neither Koichi Habit Tracker nor Ember shows ads.

### Which is updated more often, Koichi Habit Tracker or Ember?

Koichi Habit Tracker ships an update every 3 weeks, and Ember weekly. Most recently, Koichi Habit Tracker was updated on October 6, 2026 and Ember on October 17, 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.*