# o46scope vs OhmsLab

The clearest difference is update cadence: OhmsLab at every 3 weeks against o46scope's every 6 weeks. o46scope's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. o46scope sells 1 in-app purchase, starting at $19.99 per year and OhmsLab sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

o46scope ships an update every 6 weeks, OhmsLab every 3 weeks. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | o46scope | OhmsLab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Size | 53 MB | 3 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shinsuke Tsutsui](https://appshunter.io/developer/1707110915) | [InnovaLabWorks](https://appshunter.io/developer/1888514726) |

## What reviewers say

### o46scope

[App page](https://appshunter.io/ios/app/o46scope/id6754371407)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $19.99 | per year |


### OhmsLab

[App page](https://appshunter.io/ios/app/ohmslab-ohms-law-and-codes/id6790220501)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OhmsLab Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is o46scope free?

o46scope is free to download, with in-app purchases available.

### Is OhmsLab free?

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

### Do o46scope or OhmsLab have ads?

Neither o46scope nor OhmsLab shows ads.

### Which is updated more often, o46scope or OhmsLab?

o46scope ships an update every 6 weeks, and OhmsLab every 3 weeks. Most recently, o46scope was updated on October 13, 2026 and OhmsLab on October 11, 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.*