# Clinometer + bubble level vs Bubble Level

The clearest difference is review sentiment: Clinometer + bubble level at 91% against Bubble Level's 41%. Clinometer + bubble level also leads on ads (none vs shown) and chart position (#137 vs unranked). Bubble Level's advantage is price (Free vs $1.99) and rating (4.5 vs 4.0). On in-app purchases, monetization model and device support there is nothing between them.

Bubble Level is free to download; Clinometer + bubble level costs $1.99 up front. Clinometer + bubble level sells 3 one-off in-app purchases and Bubble Level sells 11 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Bubble Level holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Bubble Level has 702 ratings behind it against 42, so its average is the more settled of the two. Written reviews complicate that: 91% of Clinometer + bubble level's written reviews are positive against 41% of Bubble Level's, so the app with the better star average is not the one people write more warmly about.

Clinometer + bubble level ships an update every 4 months, Bubble Level weekly. The most recent releases landed on September 24, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Clinometer + bubble level | Bubble Level |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.0 (42 ratings)](https://appshunter.io/ios/app/clinometer-plus-bubble-level/id286215117/reviews) | **[4.5 (702 ratings)](https://appshunter.io/ios/app/bubble-level-ar-angle-finder/id1594066382/reviews)** |
| Number of ratings | 42 | **702** |
| Positive reviews | **90.6% of reviews** | 41.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#137** | — |
| Size | 14 MB | 43 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Peter Breitling](https://appshunter.io/developer/286215120) | [Jens Rieckhof](https://appshunter.io/developer/354266124) |

## What reviewers say

### Clinometer + bubble level

[App page](https://appshunter.io/ios/app/clinometer-plus-bubble-level/id286215117)

**Currently charting:** #137 Top Paid · Utilities (US App Store)

This professional tool offers precise slope measurement using all sides of your device and its camera. It supports various modes, relative angle measurements, and advanced calibration for accurate results in diverse applications.

**Highlights:** Multiple measurement modes (Clinometer, Camera, Bubble Level), Relative angle measurement, Advanced two-way calibration, Speech synthesis for readings, Five unit modes (degrees, percentage, rise/run), Motion-sensitive lock feature, Peer mode for two-device measurements

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support Updates Level Bronze | $0.99 | one-time |
| Support Developer Level Silver | $2.99 | one-time |
| Support Developer Level Gold | $7.99 | one-time |

**What reviewers like**

- 👍 Accurate and reliable
- 🚀 Easy to use and calibrate
- 💡 Useful for various applications (construction, DIY, etc.)
- 🔍 Helpful for aligning satellite dishes, solar panels, and more
- 🔍 Great for leveling and measuring angles

**What reviewers complain about**

- 🐛 Calibration issues on some devices
- 🐛 Occasional crashes or freezes
- 🔍 Not accurate enough for some specialized uses (e.g., golf greens)
- 🔍 Lack of clear instructions or tutorial

**Reported bugs**

- Calibration not working correctly on some devices
- App freezing or crashing on launch for some users
- Readings not accurate when device is in a case

**Requested features**

- Dark mode or night-friendly interface
- Ability to measure average slope over a distance
- Option to display both degrees and percent slope
- Integration with camera for sighting and measuring angles
- Bluetooth connectivity to pair multiple devices


### Bubble Level

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

This app transforms your phone into a precise leveling tool. It offers accurate angle measurement, inclination detection, and augmented reality features for DIY and professional use. Calibration is simple and quick.

**Highlights:** Ultra-precise angle measurement, Inclination and slope meter, Augmented reality ruler and protractor, Effortless one-touch calibration, Clear and easy-to-read display, User-friendly interface

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Weekly Plan | $1.99 | per 7 days |
| 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


## Frequently asked questions

### Is Clinometer + bubble level free?

Clinometer + bubble level costs $1.99, and also offers in-app purchases.

### Is Bubble Level free?

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

### Which has better reviews, Clinometer + bubble level or Bubble Level?

Bubble Level is rated higher. Clinometer + bubble level averages 4.0 out of 5 from 42 ratings, while Bubble Level averages 4.5 from 702 ratings.

### Do Clinometer + bubble level or Bubble Level have ads?

Bubble Level shows ads; Clinometer + bubble level does not.

### Which is updated more often, Clinometer + bubble level or Bubble Level?

Clinometer + bubble level ships an update every 4 months, and Bubble Level weekly. Most recently, Clinometer + bubble level was updated on September 24, 2026 and Bubble Level on September 20, 2026.

---

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