# Bubble Level & Inclinometer vs Ladder Angle Calculator

The clearest difference is in-app purchases: Bubble Level & Inclinometer at none against Ladder Angle Calculator's 3. Bubble Level & Inclinometer also leads on iOS requirement (14.0 vs 17.0). Ladder Angle Calculator's advantage is update cadence (every 4 weeks vs every 4 months). On price, ads and device support there is nothing between them.

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

Bubble Level & Inclinometer ships an update every 4 months, Ladder Angle Calculator every 4 weeks. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Bubble Level & Inclinometer | Ladder Angle Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 weeks** |
| Size | 22 MB | 11 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [lapnito.cz s.r.o.](https://appshunter.io/developer/1577358577) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### Bubble Level & Inclinometer

[App page](https://appshunter.io/ios/app/bubble-level-and-inclinometer/id6760186006)

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

**In-app purchases:** none


### Ladder Angle Calculator

[App page](https://appshunter.io/ios/app/ladder-angle-calculator/id6772270431)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Yearly | $24.99 | per year |
| Lifetime Pro | $49.99 | one-time |


## Frequently asked questions

### Is Bubble Level & Inclinometer free?

Bubble Level & Inclinometer is free to download, with no in-app purchases.

### Is Ladder Angle Calculator free?

Ladder Angle Calculator is free to download, with in-app purchases available.

### Do Bubble Level & Inclinometer or Ladder Angle Calculator have ads?

Neither Bubble Level & Inclinometer nor Ladder Angle Calculator shows ads.

### Which is updated more often, Bubble Level & Inclinometer or Ladder Angle Calculator?

Bubble Level & Inclinometer ships an update every 4 months, and Ladder Angle Calculator every 4 weeks. Most recently, Bubble Level & Inclinometer was updated on October 25, 2026 and Ladder Angle Calculator on October 31, 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.*