# Practice Lock | Combination vs OSSLT Practice Test & Prep

The clearest difference is in-app purchases: OSSLT Practice Test & Prep at none against Practice Lock | Combination's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Practice Lock | Combination sells 3 in-app purchases, starting at $1.99 per month. OSSLT Practice Test & Prep asks for nothing beyond the download.

## The numbers

| Metric | Practice Lock | Combination | OSSLT Practice Test & Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3.4K ratings)](https://appshunter.io/ios/app/practice-lock-combination/id6466766612/reviews)** | — |
| Number of ratings | **3.4K** | — |
| Positive reviews | 88.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 32 MB | 142 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ayomide Omolewa](https://appshunter.io/developer/1707785388) | [Alpha Beat Limited](https://appshunter.io/developer/1745742707) |

## What reviewers say

### Practice Lock | Combination

[App page](https://appshunter.io/ios/app/practice-lock-combination/id6466766612)

Master rotary combination locks with a realistic digital simulation. Practice opening lockers and safes with customizable configurations, a timer challenge, and guided assistance. Learn at your own pace or race against the clock.

**Highlights:** Realistic digital rotary lock simulation, Timer challenge for speed practice, Guided assistance and hints, Step-by-step walkthrough mode, Customizable combination ranges and sequences, Vibrant dial color options

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $1.99 | per month |
| Unlimited Access | $2.99 | per 3 months |
| Unlimited Access | $4.99 | per year |

**What reviewers like**

- 🚀 Easy to use
- 👍 Helpful for learning to open lockers
- 🤩 Life-saving for school
- 🙌 Saved time and frustration
- 💯 Effective practice tool

**What reviewers complain about**

- 🐛 Glitchy or buggy at times
- ⏱️ Lock moves too fast for practice
- 💰 Requires payment after limited free tries

**Reported bugs**

- Combination reset issue
- Visuals not displaying properly
- Inconsistent performance

**Requested features**

- Customizable locker combinations
- Motivational messages or rewards
- More flexibility in settings


### OSSLT Practice Test & Prep

[App page](https://appshunter.io/ios/app/osslt-practice-test-and-prep/id6797607323)

**In-app purchases:** none


## Frequently asked questions

### Is Practice Lock | Combination free?

Practice Lock | Combination is free to download, with in-app purchases available.

### Is OSSLT Practice Test & Prep free?

OSSLT Practice Test & Prep is free to download, with no in-app purchases.

### Do Practice Lock | Combination or OSSLT Practice Test & Prep have ads?

Neither Practice Lock | Combination nor OSSLT Practice Test & Prep shows ads.

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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.*