# Grade Corner vs Practice Lock | Combination

The clearest difference is update cadence: Grade Corner at every 9 days against Practice Lock | Combination's every 3 months. Grade Corner also leads on ratings volume (29K vs 3.7K). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Grade Corner sells 4 in-app purchases, starting at $3.99 per month and Practice Lock | Combination sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for Grade Corner against 4.7 for Practice Lock | Combination. That said, the two scores are not equally well evidenced: Grade Corner has 29K ratings behind it against 3.7K, so its average is the more settled of the two. Written reviews are what separate them: 82% of Grade Corner's written reviews are positive against 88% of Practice Lock | Combination's.

Grade Corner ships an update every 9 days, Practice Lock | Combination every 3 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Grade Corner | Practice Lock | Combination |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (29K ratings)](https://appshunter.io/ios/app/grade-corner/id1441670302/reviews)** | [4.7 (3.7K ratings)](https://appshunter.io/ios/app/practice-lock-combination/id6466766612/reviews) |
| Number of ratings | **29K** | 3.7K |
| Positive reviews | 81.5% of reviews | **88.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 90 MB | 32 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lucky Dog Collective, LLC](https://appshunter.io/developer/1441670301) | [Ayomide Omolewa](https://appshunter.io/developer/1707785388) |

## What reviewers say

### Grade Corner

[App page](https://appshunter.io/ios/app/grade-corner/id1441670302)

Access your academic performance on the go. View grades, assignments, schedules, and attendance. Communicate with teachers and track your progress throughout the school year.

**Highlights:** Check grades and class categories, View upcoming assignments and due dates, Track attendance records, Email teachers directly, Filter assignments by category, View past grades, Supports multiple students

**Features:** Family Sharing, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $3.99 | per month |
| Six Month Subscription | $12.99 | per 6 months |
| Annual Subscription | $19.99 | per year |
| Family Plan | $29.99 | per year |

**What reviewers like**

- 👍 Easy to use and understand
- 🚀 Quick access to grades and schedules
- 💡 Customizable color themes
- 🔒 Secure login process
- 👍 Convenient for parents and students

**What reviewers complain about**

- 🐛 Occasional login issues
- 🐛 Slow loading times
- 💡 Need for more features (grade notifications, schedule view for future days)

**Reported bugs**

- Login screen freezes
- No schedule information displayed

**Requested features**

- Grade notifications
- Schedule view for future days
- Ability to delete or rearrange classes
- Integration with other platforms (e.g., Google Classroom)


### 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


## Frequently asked questions

### Is Grade Corner free?

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

### Is Practice Lock | Combination free?

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

### Which has better reviews, Grade Corner or Practice Lock | Combination?

Grade Corner is rated higher. Grade Corner averages 4.9 out of 5 from 29K ratings, while Practice Lock | Combination averages 4.7 from 3.7K ratings.

### Do Grade Corner or Practice Lock | Combination have ads?

Neither Grade Corner nor Practice Lock | Combination shows ads.

### Which is updated more often, Grade Corner or Practice Lock | Combination?

Grade Corner ships an update every 9 days, and Practice Lock | Combination every 3 months. Most recently, Grade Corner was updated on November 3, 2026 and Practice Lock | Combination 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.*