# polestarS vs Itsu

The clearest difference is ads: polestarS at none against Itsu's shown. polestarS also leads on update cadence (every 3 weeks vs every 14 months). Itsu's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and in-app purchases there is nothing between them.

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

polestarS ships an update every 3 weeks, Itsu every 14 months. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | polestarS | Itsu |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 10.5% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 14 months |
| Monetization | Free | — |
| Size | 43 MB | 6 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nagayoshi Tokai](https://appshunter.io/developer/492528399) | [risaiku LLC.](https://appshunter.io/developer/1028305769) |

## What reviewers say

### polestarS

[App page](https://appshunter.io/ios/app/polestars/id583219967)

This app analyzes your birth date to reveal your innate destiny and inherent traits based on Sanmeigaku principles. It calculates various astrological elements to help you understand yourself and guide your life choices.

**Highlights:** Calculates innate destiny and inherent traits, Uses solar calendar for calculations, Analyzes astrological elements like Six-ty Year Cycle, Heavenly Stems, Heavenly Void, etc., Explains the difference between destiny and fate, Based on the philosophy of humans as natural beings

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

**In-app purchases:** none


### Itsu

[App page](https://appshunter.io/ios/app/itsu-log/id1528106560)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is polestarS free?

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

### Is Itsu free?

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

### Do polestarS or Itsu have ads?

Itsu shows ads; polestarS does not.

### Which is updated more often, polestarS or Itsu?

polestarS ships an update every 3 weeks, and Itsu every 14 months. Most recently, polestarS was updated on October 4, 2026 and Itsu on October 6, 2026.

---

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