# Practice Lock vs signtrue

The clearest difference is price: signtrue at Free against Practice Lock's $0.99. signtrue also leads on in-app purchases (none vs 1) and update cadence (every 5 days vs every 5 months). Practice Lock's advantage is ratings volume (2K vs 1) and chart position (#190 vs unranked). On ads, monetization model, device support and iOS requirement there is nothing between them.

signtrue is free to download; Practice Lock costs $0.99 up front. Practice Lock sells 1 one-off in-app purchase. signtrue asks for nothing beyond the download.

signtrue holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Practice Lock has 2K ratings behind it against 1, so its average is the more settled of the two.

Practice Lock ships an update every 5 months, signtrue every 5 days. The most recent releases landed on October 19, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Practice Lock | signtrue |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.8 (2K ratings)](https://appshunter.io/ios/app/practice-lock/id1555509600/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/signtrue/id6807898464/reviews)** |
| Number of ratings | **2K** | 1 |
| Positive reviews | 87.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 days** |
| Monetization | Free | Free |
| Best chart rank | **#190** | — |
| Size | 4 MB | 29 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod, Mac | iPhone, iPad, iPod, Mac |
| Age rating | 4+ | 4+ |
| Developer | [James Randolph](https://appshunter.io/developer/1159117556) | [CENTROCHAT LLC](https://appshunter.io/developer/1853260444) |

## What reviewers say

### Practice Lock

[App page](https://appshunter.io/ios/app/practice-lock/id1555509600)

**Currently charting:** #190 Top Paid · Education (US App Store)

Master combination locks with a realistic digital simulator. Practice opening locks with helpful hints and step-by-step guidance. Customize your lock's appearance and choose your own or randomly generated combinations.

**Highlights:** Realistic lock unlocking simulation, Helpful hints for common mistakes, Step-by-step walkthrough mode, Customizable dial colors, Generate random combinations, Choose custom combination ranges

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Customize Lock | $0.99 | one-time |

**What reviewers like**

- 👍 Helpful for learning to open lockers
- 🚀 Efficient at teaching lock-opening skills
- 🎨 Customizable lock colors and types
- 💡 Useful practice for middle/high school students
- 🎉 Fun and engaging app

**What reviewers complain about**

- 💰 Paid app, could be better if free
- 🤔 Sensitivity issues with lock turning
- 🐛 Occasional left/right confusion in instructions

**Reported bugs**

- Lock turning too fast at times
- Inconsistent behavior compared to real-life locks

**Requested features**

- Add sound effects when unlocking
- Include a randomize option to reset the lock combination
- Provide more lock types and difficulty levels


### signtrue

[App page](https://appshunter.io/ios/app/signtrue/id6807898464)

This app streamlines attendance management for educational institutions and community organizations. It offers effortless check-ins, role-based access, and centralized reporting to help administrators focus on their community.

**Highlights:** Effortless check-ins, Role-based access control, Multi-language support (English/Spanish), Centralized management and reporting, Customized onboarding for organizations, 30-day free trial

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Practice Lock free?

Practice Lock costs $0.99, and also offers in-app purchases.

### Is signtrue free?

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

### Which has better reviews, Practice Lock or signtrue?

signtrue is rated higher. Practice Lock averages 4.8 out of 5 from 2K ratings, while signtrue averages 5.0 from 1 ratings.

### Do Practice Lock or signtrue have ads?

Neither Practice Lock nor signtrue shows ads.

### Which is updated more often, Practice Lock or signtrue?

Practice Lock ships an update every 5 months, and signtrue every 5 days. Most recently, Practice Lock was updated on October 19, 2026 and signtrue on October 7, 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.*