# OPTION vs Bubble Level

The clearest difference is in-app purchases: OPTION at none against Bubble Level's 3. OPTION also leads on update cadence (every 6 days vs every 3 weeks) and iOS requirement (12.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Bubble Level sells 3 in-app purchases, starting at $4.99 per 7 days. OPTION asks for nothing beyond the download.

OPTION ships an update every 6 days, Bubble Level every 3 weeks. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | OPTION | Bubble Level |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Size | 33 MB | 5 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Athibest Sonpatee](https://appshunter.io/developer/1736912173) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### OPTION

[App page](https://appshunter.io/ios/app/option-max/id6479692165)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bubble Level

[App page](https://appshunter.io/ios/app/bubble-level-spirit-level/id6772263236)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Surface Check — Weekly | $4.99 | per 7 days |
| Shelf Alignment — Yearly | $24.99 | per year |
| Slope Gauge — Pay Once | $49.99 | one-time |


## Frequently asked questions

### Is OPTION free?

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

### Is Bubble Level free?

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

### Do OPTION or Bubble Level have ads?

Neither OPTION nor Bubble Level shows ads.

### Which is updated more often, OPTION or Bubble Level?

OPTION ships an update every 6 days, and Bubble Level every 3 weeks. Most recently, OPTION was updated on October 7, 2026 and Bubble Level on October 12, 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.*