# polestarS vs memoir

The clearest difference is review sentiment: memoir at 67% against polestarS's 11%. polestarS's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, in-app purchases and monetization model 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, memoir every 2 months. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | polestarS | memoir |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 10.5% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 43 MB | 89 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nagayoshi Tokai](https://appshunter.io/developer/492528399) | [YOUHEI IINO](https://appshunter.io/developer/1296534954) |

## 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


### memoir

[App page](https://appshunter.io/ios/app/memoir/id1613532672)

Visualize completed tasks to reflect on your week. This app helps you acknowledge your efforts by regularly reviewing your accomplishments. Share your progress and what you did, when, and where.

**Highlights:** Visualize completed tasks, Weekly reflection, Acknowledge accomplishments, Share progress, Track location and time of tasks

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

**In-app purchases:** none


## Frequently asked questions

### Is polestarS free?

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

### Is memoir free?

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

### Do polestarS or memoir have ads?

Neither polestarS nor memoir shows ads.

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

polestarS ships an update every 3 weeks, and memoir every 2 months. Most recently, polestarS was updated on October 24, 2026 and memoir on October 22, 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.*