# Bubble Level vs Sanitary Dft. Supt.

The clearest difference is ads: Sanitary Dft. Supt. at none against Bubble Level's shown. Sanitary Dft. Supt. also leads on update cadence (daily vs weekly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Bubble Level sells 10 in-app purchases, starting at $2.99 per month and Sanitary Dft. Supt. sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Bubble Level ships an update weekly, Sanitary Dft. Supt. daily. The most recent releases landed on November 11, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Bubble Level | Sanitary Dft. Supt. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (723 ratings)](https://appshunter.io/ios/app/bubble-level-angle-finder-ar/id1594066382/reviews)** | — |
| Number of ratings | **723** | — |
| Positive reviews | 43.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 43 MB | 78 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jens Rieckhof](https://appshunter.io/developer/354266124) | [Hiroaki Oosawa](https://appshunter.io/developer/6797133579) |

## What reviewers say

### Bubble Level

[App page](https://appshunter.io/ios/app/bubble-level-angle-finder-ar/id1594066382)

This utility app transforms your device into a precise bubble level and angle finder. It offers augmented reality measurement tools, a user-friendly interface, and Apple Watch integration for live readings. Ideal for DIY enthusiasts and professionals needing accurate surface leveling and inclination measurements.

**Highlights:** Augmented reality ruler and protractor, Precise angle measurements to one tenth of a degree, Effortless one-touch calibration, Clear and easy-to-read visual display, Apple Watch integration for live angle readings, Measures inclination and slope

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spirit Level Premium – Monthly | $2.99 | per month |
| Bubble Level Premium - Weekly | $2.99 | per 7 days |
| Bubble Level Premium - Monthly | $5.99 | per month |
| Spirit Level Premium – Annual | $14.99 | per year |
| Bubble Level Premium - Annual | $19.99 | per year |
| All features - No ads | $1.99 | one-time |
| Unlock all AR features | $5.99 | one-time |
| Discount Lifetime Premium | $14.99 | one-time |
| Bubble Level PREMIUM Lifetime | $19.99 | one-time |
| Bubble Level - Lifetime Premium | $29.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🔍 Accurate angle measurements
- 🛠️ Helpful for various tasks (telescopes, leveling, etc.)

**What reviewers complain about**

- 🤑 Expensive ad removal
- 🤖 Unreliable calibration
- 💤 Constant interruptions and ads
- 🚫 Unusable due to ads

**Reported bugs**

- App crashes on launch
- Measurement point behaves erratically

**Requested features**

- Ability to calibrate the app
- Option to change the display color


### Sanitary Dft. Supt.

[App page](https://appshunter.io/ios/app/sanitary-dft-supt/id6799862269)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is Bubble Level free?

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

### Is Sanitary Dft. Supt. free?

Sanitary Dft. Supt. is free to download, with in-app purchases available.

### Do Bubble Level or Sanitary Dft. Supt. have ads?

Bubble Level shows ads; Sanitary Dft. Supt. does not.

### Which is updated more often, Bubble Level or Sanitary Dft. Supt.?

Bubble Level ships an update weekly, and Sanitary Dft. Supt. daily. Most recently, Bubble Level was updated on November 11, 2026 and Sanitary Dft. Supt. on November 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*