# 占驗紫微 vs LookOnce

The clearest difference is price: LookOnce at Free against 占驗紫微's $11.99. LookOnce also leads on update cadence (every 9 days vs every 6 weeks). 占驗紫微's advantage is in-app purchases (none vs 1) and device support (3 vs 1). On ads there is nothing between them.

LookOnce is free to download; 占驗紫微 costs $11.99 up front. LookOnce sells 1 one-off in-app purchase. 占驗紫微 asks for nothing beyond the download.

占驗紫微 ships an update every 6 weeks, LookOnce every 9 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 占驗紫微 | LookOnce |
| --- | --- | --- |
| Price | $11.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lookonce/id6768650367/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 79 MB | 9 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [amtb fate](https://appshunter.io/developer/430174936) | [楷文 罗](https://appshunter.io/developer/1896481268) |

## What reviewers say

### 占驗紫微

[App page](https://appshunter.io/ios/app/id1394803683)

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

**In-app purchases:** none


### LookOnce

[App page](https://appshunter.io/ios/app/lookonce/id6768650367)

This utility app helps you quickly confirm tasks in various daily situations without complex tracking. Data is stored locally for enhanced privacy. Create custom check scenes for different routines and easily manage, share, or export your completed confirmations.

**Highlights:** Local data storage for privacy, Customizable check scenes, Focused, simple check process, Scene management with favorites, Swipe-left deletion for scenes, Sharing and export of results

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LookOnce Pro | $4.99 | one-time |


## Frequently asked questions

### Is 占驗紫微 free?

占驗紫微 costs $11.99, with no in-app purchases.

### Is LookOnce free?

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

### Do 占驗紫微 or LookOnce have ads?

Neither 占驗紫微 nor LookOnce shows ads.

### Which is updated more often, 占驗紫微 or LookOnce?

占驗紫微 ships an update every 6 weeks, and LookOnce every 9 days. Most recently, 占驗紫微 was updated on October 26, 2026 and LookOnce 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.*