# 北极星 vs ShowDay

The clearest difference is in-app purchases: 北极星 at none against ShowDay's 3. 北极星 also leads on iOS requirement (12.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ShowDay sells 3 in-app purchases, starting at $0.99 per month. 北极星 asks for nothing beyond the download.

北极星 ships an update fortnightly, ShowDay every 9 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 北极星 | ShowDay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/showday-diarynotesjournal/id6483942224/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | — | Freemium |
| Size | 91 MB | 35 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen Zhumang Information Technology Co., Ltd.](https://appshunter.io/developer/1578234346) | [杰克 吴](https://appshunter.io/developer/1734033681) |

## What reviewers say

### 北极星

[App page](https://appshunter.io/ios/app/polaris/id1533395211)

**Features:** macOS Compatibility

**In-app purchases:** none


### ShowDay

[App page](https://appshunter.io/ios/app/showday-diarynotesjournal/id6483942224)

This app allows you to create rich journal entries with photos, videos, and voice notes. It offers smart search, location tracking, and privacy features like auto-lock. Sync across devices and back up your data with iCloud or local exports.

**Highlights:** Rich multimedia entries, Calendar view, Voice to text transcription, Smart search and tagging, Location tracking, Cross-device sync, Privacy protection with auto-lock

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro Plan - 3 days Free | $0.99 | per month |
| Annual Pro Plan - 7 days Free | $6.99 | per year |
| Lifetime - Limited time offer | $7.99 | one-time |


## Frequently asked questions

### Is 北极星 free?

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

### Is ShowDay free?

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

### Do 北极星 or ShowDay have ads?

Neither 北极星 nor ShowDay shows ads.

### Which is updated more often, 北极星 or ShowDay?

北极星 ships an update fortnightly, and ShowDay every 9 days. Most recently, 北极星 was updated on October 25, 2026 and ShowDay 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.*