# Clinometer+ vs Bubble Level Tool

Clinometer+ and Bubble Level Tool both sit at 4.5 stars, but that hides the real split: 48% of Clinometer+'s written reviews are positive against 6% of Bubble Level Tool's. Clinometer+ also leads on monetization model (free with in-app purchases vs subscription). Bubble Level Tool's advantage is update cadence (weekly vs every 2 months) and iOS requirement (15.0 vs 17.6). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Clinometer+ sells 1 one-off in-app purchase and Bubble Level Tool sells 9 in-app purchases, starting at $3.99 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 4.4 for Bubble Level Tool. Both are backed by a comparable volume of ratings — 1K and 2.5K respectively. Written reviews are what separate them: 48% of Clinometer+'s written reviews are positive against 6% of Bubble Level Tool's.

Clinometer+ ships an update every 2 months, Bubble Level Tool weekly. The most recent releases landed on October 13, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Clinometer+ | Bubble Level Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (1K ratings)](https://appshunter.io/ios/app/clinometer-plus/id1494068762/reviews)** | [4.4 (2.5K ratings)](https://appshunter.io/ios/app/bubble-level-tool-digital/id1662018802/reviews) |
| Number of ratings | 1K | **2.5K** |
| Positive reviews | **48.1% of reviews** | 5.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 16 MB | 5 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tue Nguyen Minh](https://appshunter.io/developer/434811167) | [Rihab Mehboob](https://appshunter.io/developer/1441916319) |

## 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 Tool

[App page](https://appshunter.io/ios/app/bubble-level-tool-digital/id1662018802)

Measure precise angles and levels with your device. Easily switch between portrait, landscape, and surface level modes. Lock and reset angles for accurate measurements.

**Highlights:** Measure current device angle, Reset angle, Lock angle, Portrait mode, Landscape mode, Surface level

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bubble 1 Week | $3.99 | per 7 days |
| Bubble 1 Week | $4.99 | per 7 days |
| Bubble 1 Month | $5.99 | per month |
| Bubble 1 Month | $9.99 | per month |
| Bubble 1 Year | $24.99 | per year |
| Bubble 6 Months | $29.99 | per 6 months |
| Bubble 1 Year | $39.99 | per year |
| Bubble Lifetime | $17.99 | one-time |
| Bubble Lifetime | $69.99 | one-time |

**What reviewers like**

- ⭐️ Useful app
- 🤠 Handy when needed
- 👍 It simply works

**What reviewers complain about**

- 💰 Expensive subscription
- 🚫 Unusable without paying
- 📢 Constant upsell pop-ups
- 🕰️ Limited free trial
- 🤯 Frustrating experience

**Reported bugs**

- Inaccurate level readings
- Compatibility issues with older devices

**Requested features**

- Percentage slope display option
- Ability to switch between degree and percent
- Refund/cancellation options


## Frequently asked questions

### Is Clinometer+ free?

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

### Is Bubble Level Tool free?

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

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

Clinometer+ is rated higher. Clinometer+ averages 4.5 out of 5 from 1K ratings, while Bubble Level Tool averages 4.4 from 2.5K ratings.

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

Neither Clinometer+ nor Bubble Level Tool shows ads.

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

Clinometer+ ships an update every 2 months, and Bubble Level Tool weekly. Most recently, Clinometer+ was updated on October 13, 2026 and Bubble Level Tool on October 19, 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.*