# EchoKeep vs Habit Stacking

The clearest difference is in-app purchases: EchoKeep at none against Habit Stacking's 2. Habit Stacking's advantage is update cadence (every 2 months vs every 6 months) and iOS requirement (17.0 vs 26.6). On price, ads and device support there is nothing between them.

Both are free to download. Habit Stacking sells 2 in-app purchases, starting at $9.99 per 7 days. EchoKeep asks for nothing beyond the download.

EchoKeep ships an update every 6 months, Habit Stacking every 2 months. The most recent releases landed on October 17, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | EchoKeep | Habit Stacking |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Size | 42 MB | 3 MB |
| Requires iOS | 26.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Kasoo Labs Technology Co., Ltd](https://appshunter.io/developer/1761472358) | [Linh Phan Nhat Khanh](https://appshunter.io/developer/1777727575) |

## What reviewers say

### EchoKeep

[App page](https://appshunter.io/ios/app/echokeep-thoughts-in-mind/id6753336417)

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

**In-app purchases:** none


### Habit Stacking

[App page](https://appshunter.io/ios/app/habit-stacking-micro-habits/id6773756708)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cubit Habit Stack Weekly | $9.99 | per 7 days |
| Cubit Habit Stack Yearly | $49.99 | per year |


## Frequently asked questions

### Is EchoKeep free?

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

### Is Habit Stacking free?

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

### Do EchoKeep or Habit Stacking have ads?

Neither EchoKeep nor Habit Stacking shows ads.

### Which is updated more often, EchoKeep or Habit Stacking?

EchoKeep ships an update every 6 months, and Habit Stacking every 2 months. Most recently, EchoKeep was updated on October 17, 2026 and Habit Stacking on October 5, 2026.

---

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