# Planimeter vs Secure Password Lock

The clearest difference is in-app purchases: Secure Password Lock at none against Planimeter's 2. Secure Password Lock also leads on review sentiment (87% vs 57%) and update cadence (every 2 weeks vs monthly). Planimeter's advantage is ratings volume (115 vs 17). On rating, ads, monetization model and device support there is nothing between them.

Planimeter costs $1.99 and Secure Password Lock $0.99 up front. Planimeter sells 2 one-off in-app purchases. Secure Password Lock asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Planimeter against 4.5 for Secure Password Lock. That said, the two scores are not equally well evidenced: Planimeter has 115 ratings behind it against 17, so its average is the more settled of the two. Written reviews are what separate them: 57% of Planimeter's written reviews are positive against 87% of Secure Password Lock's.

Planimeter ships an update monthly, Secure Password Lock every 2 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Planimeter | Secure Password Lock |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | **[4.7 (115 ratings)](https://appshunter.io/ios/app/planimeter-area-and-distance/id1469347201/reviews)** | [4.5 (17 ratings)](https://appshunter.io/ios/app/secure-password-lock/id6449745506/reviews) |
| Number of ratings | **115** | 17 |
| Positive reviews | 56.5% of reviews | **87.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Paid | Paid |
| Size | 30 MB | 18 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CHENGDU MIAOZHI TECHNOLOGY CO., LTD.](https://appshunter.io/developer/1465440799) | [运强 翁](https://appshunter.io/developer/1071832931) |

## What reviewers say

### Planimeter

[App page](https://appshunter.io/ios/app/planimeter-area-and-distance/id1469347201)

Measure distances, land areas, and perimeters on maps with this versatile tool. Ideal for outdoor projects, recreation, and construction, it offers unit flexibility and altitude information. Supports Google Earth KML format for seamless integration.

**Highlights:** Measure distances and areas on maps, Outdoor project planning, Recreational activity tracking, Construction site measurements, Adjustable unit options, Altitude information, Google Earth KML support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Purchase Altitude Query Times | $5.99 | one-time |
| Lifetime Premium | $7.99 | one-time |


### Secure Password Lock

[App page](https://appshunter.io/ios/app/secure-password-lock/id6449745506)

This application helps you securely store and manage all your passwords in one place. It offers various unlock methods for quick and safe access to your accounts, from social media to banking.

**Highlights:** Local password storage, Gesture app lock, Face and fingerprint unlock, Add pictures to passwords, Custom password categories, Category management

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

**In-app purchases:** none


## Frequently asked questions

### Is Planimeter free?

Planimeter costs $1.99, and also offers in-app purchases.

### Is Secure Password Lock free?

Secure Password Lock costs $0.99, with no in-app purchases.

### Which has better reviews, Planimeter or Secure Password Lock?

Planimeter is rated higher. Planimeter averages 4.7 out of 5 from 115 ratings, while Secure Password Lock averages 4.5 from 17 ratings.

### Do Planimeter or Secure Password Lock have ads?

Neither Planimeter nor Secure Password Lock shows ads.

### Which is updated more often, Planimeter or Secure Password Lock?

Planimeter ships an update monthly, and Secure Password Lock every 2 weeks. Most recently, Planimeter was updated on October 29, 2026 and Secure Password Lock on October 30, 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.*