# Koi Shape vs Streakio

The clearest difference is in-app purchases: Koi Shape at none against Streakio's 4. Koi Shape also leads on iOS requirement (15.1 vs 18.0). Streakio's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Streakio sells 4 in-app purchases, starting at $0.99 per month. Koi Shape asks for nothing beyond the download.

Koi Shape ships an update monthly, Streakio fortnightly. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Koi Shape | Streakio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Fortnightly** |
| Size | 26 MB | 42 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [QUY DIEN LE](https://appshunter.io/developer/1745588028) | [ERX CONNECT](https://appshunter.io/developer/1857256598) |

## What reviewers say

### Koi Shape

[App page](https://appshunter.io/ios/app/koi-shape/id6745516636)

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

**In-app purchases:** none


### Streakio

[App page](https://appshunter.io/ios/app/streakio-habit-tracker/id6758521131)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Streakio premium | $0.99 | per month |
| Streakio Weekly | $6.99 | per 7 days |
| Streakio premium | $19.99 | per year |
| Streakio Premium | $39.99 | one-time |


## Frequently asked questions

### Is Koi Shape free?

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

### Is Streakio free?

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

### Do Koi Shape or Streakio have ads?

Koi Shape shows ads; Streakio does not.

### Which is updated more often, Koi Shape or Streakio?

Koi Shape ships an update monthly, and Streakio fortnightly. Most recently, Koi Shape was updated on October 16, 2026 and Streakio 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.*