# 3M Physics vs BKLS

3M Physics and BKLS are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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.

3M Physics ships an update every 5 months, BKLS every 3 months. The most recent releases landed on September 20, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 3M Physics | BKLS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Size | 30 MB | 71 MB |
| Requires iOS | 13.2 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [marco wageh](https://appshunter.io/developer/1582396379) | [Open Scope](https://appshunter.io/developer/1482774737) |

## What reviewers say

### 3M Physics

[App page](https://appshunter.io/ios/app/3m-physics/id6467128592)

**Features:** macOS Compatibility

**In-app purchases:** none


### BKLS

[App page](https://appshunter.io/ios/app/bkls/id6476461062)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 3M Physics free?

3M Physics is free to download, with no in-app purchases.

### Is BKLS free?

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

### Do 3M Physics or BKLS have ads?

Neither 3M Physics nor BKLS shows ads.

### Which is updated more often, 3M Physics or BKLS?

3M Physics ships an update every 5 months, and BKLS every 3 months. Most recently, 3M Physics was updated on September 20, 2026 and BKLS on September 10, 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.*