# Grade Six Science vs Locker

Grade Six Science and Locker are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Grade Six Science | Locker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/locker-combo-lock-practice/id6808662987/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | — | Free |
| Size | 472 MB | 43 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [360ed Pte Ltd](https://appshunter.io/developer/1459468188) | [phannafest llc](https://appshunter.io/developer/1209901791) |

## What reviewers say

### Grade Six Science

[App page](https://appshunter.io/ios/app/grade-six-science/id6747956438)

**Features:** macOS Compatibility

**In-app purchases:** none


### Locker

[App page](https://appshunter.io/ios/app/locker-combo-lock-practice/id6808662987)

Practice opening combination locks with a realistic simulation. Learn from clear explanations of mistakes and customize your practice experience. Ideal for preparing for school, gym, or work lockers.

**Highlights:** Realistic combination lock simulation, Customizable combinations, Clear mistake explanations, Adjustable dial sensitivity, Haptic and sound feedback options, Multiple dial sizes, Light and dark mode

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

**In-app purchases:** none


## Frequently asked questions

### Is Grade Six Science free?

Grade Six Science is free to download, with no in-app purchases.

### Is Locker free?

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

### Do Grade Six Science or Locker have ads?

Neither Grade Six Science nor Locker 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.*