# Streak Stack vs Inky Habits

The clearest difference is in-app purchases: Streak Stack at none against Inky Habits's 1. Streak Stack also leads on iOS requirement (15.0 vs 17.0). Inky Habits's advantage is update cadence (daily vs fortnightly). On price, ads and device support there is nothing between them.

Both are free to download. Inky Habits sells 1 one-off in-app purchase. Streak Stack asks for nothing beyond the download.

Streak Stack ships an update fortnightly, Inky Habits daily. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Streak Stack | Inky Habits |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Size | 34 MB | 31 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Sergio Vazquez](https://appshunter.io/developer/1807606896) | [Freedom Dimension (shenzhen) Technology Co., Ltd](https://appshunter.io/developer/6776064465) |

## What reviewers say

### Streak Stack

[App page](https://appshunter.io/ios/app/streak-stack-habit-tracker/id6776901355)

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

**In-app purchases:** none


### Inky Habits

[App page](https://appshunter.io/ios/app/inky-habits-daily-tracker/id6788409678)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime | Free | one-time |


## Frequently asked questions

### Is Streak Stack free?

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

### Is Inky Habits free?

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

### Do Streak Stack or Inky Habits have ads?

Neither Streak Stack nor Inky Habits shows ads.

### Which is updated more often, Streak Stack or Inky Habits?

Streak Stack ships an update fortnightly, and Inky Habits daily. Most recently, Streak Stack was updated on October 9, 2026 and Inky Habits on October 24, 2026.

---

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