# Structure Sensor Calibrator vs 密码本

The clearest difference is price: Structure Sensor Calibrator at Free against 密码本's $0.99. 密码本's advantage is rating (5.0 vs 3.0) and update cadence (every 3 weeks vs every 2 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Structure Sensor Calibrator is free to download; 密码本 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

密码本 holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

Structure Sensor Calibrator ships an update every 2 months, 密码本 every 3 weeks. The most recent releases landed on September 21, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | Structure Sensor Calibrator | 密码本 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [3.0 (4 ratings)](https://appshunter.io/ios/app/structure-sensor-calibrator/id914275485/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id1603051677/reviews)** |
| Number of ratings | **4** | 2 |
| Positive reviews | 19.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Paid |
| Size | 39 MB | 25 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [XRPro, LLC](https://appshunter.io/developer/1642756687) | [杰 林](https://appshunter.io/developer/1602113131) |

## What reviewers say

### Structure Sensor Calibrator

[App page](https://appshunter.io/ios/app/structure-sensor-calibrator/id914275485)

This utility app precisely aligns 3D depth data from a Structure Sensor accessory with your iOS device's camera. It enhances full-color 3D scanning and optimizes performance in related applications. The calibration process is quick and saves results directly to the accessory.

**Highlights:** Aligns 3D depth data, Enhances full-color 3D scanning, Optimizes sensor performance, Simple user interface, Quick calibration process, Saves results to accessory

**In-app purchases:** none


### 密码本

[App page](https://appshunter.io/ios/app/id1603051677)

Securely store and manage all your account usernames and passwords across various platforms. Generate strong, random passwords to enhance your online security. All data is stored locally on your device for maximum privacy.

**Highlights:** Account management, Password generation, Local data storage, Enhanced security, User feedback channel

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Structure Sensor Calibrator free?

Structure Sensor Calibrator is free to download, with no in-app purchases.

### Is 密码本 free?

密码本 costs $0.99, with no in-app purchases.

### Which has better reviews, Structure Sensor Calibrator or 密码本?

密码本 is rated higher. Structure Sensor Calibrator averages 3.0 out of 5 from 4 ratings, while 密码本 averages 5.0 from 2 ratings.

### Do Structure Sensor Calibrator or 密码本 have ads?

Neither Structure Sensor Calibrator nor 密码本 shows ads.

### Which is updated more often, Structure Sensor Calibrator or 密码本?

Structure Sensor Calibrator ships an update every 2 months, and 密码本 every 3 weeks. Most recently, Structure Sensor Calibrator was updated on September 21, 2026 and 密码本 on June 10, 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.*