# Precision Bubble Level vs SD Inclinometer

The clearest difference is in-app purchases: Precision Bubble Level at none against SD Inclinometer's 1. Precision Bubble Level also leads on ads (none vs shown) and update cadence (daily vs every 2 months). SD Inclinometer's advantage is iOS requirement (13.0 vs 16.0). On price and device support there is nothing between them.

Both are free to download. SD Inclinometer sells 1 one-off in-app purchase. Precision Bubble Level asks for nothing beyond the download.

Precision Bubble Level ships an update daily, SD Inclinometer every 2 months. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Precision Bubble Level | SD Inclinometer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 2 months |
| Size | 36 MB | 28 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrey Pogorelyy](https://appshunter.io/developer/1881380350) | [SD Enerji](https://appshunter.io/developer/1896709634) |

## What reviewers say

### Precision Bubble Level

[App page](https://appshunter.io/ios/app/precision-bubble-level/id6759876047)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### SD Inclinometer

[App page](https://appshunter.io/ios/app/sd-inclinometer/id6777238743)

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is Precision Bubble Level free?

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

### Is SD Inclinometer free?

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

### Do Precision Bubble Level or SD Inclinometer have ads?

SD Inclinometer shows ads; Precision Bubble Level does not.

### Which is updated more often, Precision Bubble Level or SD Inclinometer?

Precision Bubble Level ships an update daily, and SD Inclinometer every 2 months. Most recently, Precision Bubble Level was updated on October 6, 2026 and SD Inclinometer on October 8, 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.*