# polestarS vs Zen Quotes Clock

The clearest difference is in-app purchases: polestarS at none against Zen Quotes Clock's 1. polestarS also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 5 weeks). Zen Quotes Clock's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price there is nothing between them.

Both are free to download. Zen Quotes Clock sells 1 one-off in-app purchase. polestarS asks for nothing beyond the download.

polestarS ships an update every 3 weeks, Zen Quotes Clock every 5 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | polestarS | Zen Quotes Clock |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 10.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free | — |
| Size | 43 MB | 26 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nagayoshi Tokai](https://appshunter.io/developer/492528399) | [Mihoko Araki](https://appshunter.io/developer/1476136915) |

## 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


### Zen Quotes Clock

[App page](https://appshunter.io/ios/app/zen-quotes-clock/id6451078454)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zen Quotes Clock with no ads | $2.99 | one-time |


## Frequently asked questions

### Is polestarS free?

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

### Is Zen Quotes Clock free?

Zen Quotes Clock is free to download, with in-app purchases available.

### Do polestarS or Zen Quotes Clock have ads?

Zen Quotes Clock shows ads; polestarS does not.

### Which is updated more often, polestarS or Zen Quotes Clock?

polestarS ships an update every 3 weeks, and Zen Quotes Clock every 5 weeks. Most recently, polestarS was updated on October 24, 2026 and Zen Quotes Clock on October 24, 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.*