# Clinometer+ vs Bubble Level

The clearest difference is ads: Clinometer+ at none against Bubble Level's shown. Bubble Level's advantage is update cadence (weekly vs every 2 months). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Clinometer+ sells 1 one-off in-app purchase 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.

On the App Store both sit at effectively the same score — 4.5 for Clinometer+ against 4.5 for Bubble Level. Both are backed by a comparable volume of ratings — 1K and 702 respectively. Written reviews are what separate them: 48% of Clinometer+'s written reviews are positive against 41% of Bubble Level's.

Clinometer+ ships an update every 2 months, Bubble Level weekly. The most recent releases landed on September 20, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Clinometer+ | Bubble Level |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (1K ratings)](https://appshunter.io/ios/app/clinometer-plus/id1494068762/reviews) | [4.5 (702 ratings)](https://appshunter.io/ios/app/bubble-level-ar-angle-finder/id1594066382/reviews) |
| Number of ratings | **1K** | 702 |
| Positive reviews | **48.1% of reviews** | 41.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 16 MB | 43 MB |
| Requires iOS | 17.6 | **16.6** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Tue Nguyen Minh](https://appshunter.io/developer/434811167) | [Jens Rieckhof](https://appshunter.io/developer/354266124) |

## What reviewers say

### Clinometer+

[App page](https://appshunter.io/ios/app/clinometer-plus/id1494068762)

This utility app functions as a car inclinometer to help drivers understand road conditions for safer driving. It requires a car phone holder and offers a calibration feature for accurate readings on flat surfaces.

**Highlights:** Car inclinometer, Road condition analysis, Safe driving aid, Calibration feature, Easy to use

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Features | $1.99 | one-time |

**What reviewers like**

- 👍 Cool app
- 👍 Useful for work
- 👍 Easy to use

**What reviewers complain about**

- 💰 Not free to use
- 🐛 Terrible calibration
- 🔍 Deceptive free features

**Reported bugs**

- Gave child a virus that searched for pornography
- Doesn't function at all

**Requested features**

- Ability to mount at any angle and calibrate
- Dampened response speed


### 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+ free?

Clinometer+ is free to download, with in-app purchases available.

### Is Bubble Level free?

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

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

Clinometer+ and Bubble Level are both rated 4.5 out of 5 on the App Store, from 1K and 702 ratings respectively.

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

Bubble Level shows ads; Clinometer+ does not.

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

Clinometer+ ships an update every 2 months, and Bubble Level weekly. Most recently, Clinometer+ was updated on September 20, 2026 and Bubble Level on September 24, 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.*