# Seismic tracker vs Kana Hustle

The clearest difference is update cadence: Seismic tracker at every 10 days against Kana Hustle's every 5 months. Kana Hustle's advantage is iOS requirement (15.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Seismic tracker ships an update every 10 days, Kana Hustle every 5 months. The most recent releases landed on October 19, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Seismic tracker | Kana Hustle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 5 months |
| Size | 147 MB | 22 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Raphael Lesourd](https://appshunter.io/developer/981244692) | [守恒 王](https://appshunter.io/developer/1685790068) |

## What reviewers say

### Seismic tracker

[App page](https://appshunter.io/ios/app/seismic-tracker/id6740165946)

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

**In-app purchases:** none


### Kana Hustle

[App page](https://appshunter.io/ios/app/kana-hustle/id6744238939)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Seismic tracker free?

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

### Is Kana Hustle free?

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

### Do Seismic tracker or Kana Hustle have ads?

Neither Seismic tracker nor Kana Hustle shows ads.

### Which is updated more often, Seismic tracker or Kana Hustle?

Seismic tracker ships an update every 10 days, and Kana Hustle every 5 months. Most recently, Seismic tracker was updated on October 19, 2026 and Kana Hustle on October 18, 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.*