# GPA Calculator vs Practice Lock | Combination

The clearest difference is review sentiment: Practice Lock | Combination at 88% against GPA Calculator's 42%. Practice Lock | Combination also leads on rating (4.7 vs 4.5) and ratings volume (3.7K vs 232). GPA Calculator's advantage is update cadence (every 4 weeks vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. GPA Calculator sells 3 in-app purchases, starting at $9.99 per year 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.

Practice Lock | Combination holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Practice Lock | Combination has 3.7K ratings behind it against 232, so its average is the more settled of the two. Written reviews point the same way: 42% of GPA Calculator's written reviews are positive against 88% of Practice Lock | Combination's.

GPA Calculator ships an update every 4 weeks, Practice Lock | Combination every 3 months. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | GPA Calculator | Practice Lock | Combination |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (232 ratings)](https://appshunter.io/ios/app/gpa-calculator/id1198198280/reviews) | **[4.7 (3.7K ratings)](https://appshunter.io/ios/app/practice-lock-combination/id6466766612/reviews)** |
| Number of ratings | 232 | **3.7K** |
| Positive reviews | 41.7% of reviews | **88.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 14 MB | 32 MB |
| Requires iOS | 16 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Applorium Ltd](https://appshunter.io/developer/1688522804) | [Ayomide Omolewa](https://appshunter.io/developer/1707785388) |

## What reviewers say

### GPA Calculator

[App page](https://appshunter.io/ios/app/gpa-calculator/id1198198280)

Easily track your academic performance with this straightforward GPA calculator. Quickly add grades and credits with just a couple of taps. Manage your academic records efficiently with simple swipe and tap gestures to remove entries.

**Highlights:** Add grades and credits with two taps, Remove grades by swiping, Remove all grades by holding, Remove specific grades by tapping

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GPA Grade Calculator - Yearly | $9.99 | per year |
| Lifetime upgrade | $7.99 | one-time |
| Lifetime upgrade | $19.99 | one-time |


### 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 GPA Calculator free?

GPA Calculator 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, GPA Calculator or Practice Lock | Combination?

Practice Lock | Combination is rated higher. GPA Calculator averages 4.5 out of 5 from 232 ratings, while Practice Lock | Combination averages 4.7 from 3.7K ratings.

### Do GPA Calculator or Practice Lock | Combination have ads?

Neither GPA Calculator nor Practice Lock | Combination shows ads.

### Which is updated more often, GPA Calculator or Practice Lock | Combination?

GPA Calculator ships an update every 4 weeks, and Practice Lock | Combination every 3 months. Most recently, GPA Calculator was updated on October 29, 2026 and Practice Lock | Combination on October 27, 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.*