Clinometer+ vs Bubble Level Tool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Clinometer+
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.
- Car inclinometer
- Road condition analysis
- Safe driving aid
- Calibration feature
- Easy to use
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Note: You will need a car phone holder to use with this app. This app helps you to understand road conditions to ensure safe driving. It is easy to use, simply put your phone on a holder and stick it to your car and you are ready to go. The app provides a calibrate button to adjust the readings when your car is on a flat surface.
Bubble Level Tool
Measure precise angles and levels with your device. Easily switch between portrait, landscape, and surface level modes. Lock and reset angles for accurate measurements.
- Measure current device angle
- Reset angle
- Lock angle
- Portrait mode
- Landscape mode
- Surface level
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Bubble Level Tool - Digital lets you see the current angle of your device, along with reseting and locking the angle too. Tilt the device to measure the precise angle and easily switch between portrait, landscape & surface level. If you have any questions or feedback, I'm all ears. Bubble Level Tool - Digital was created by an individual in his free time, and I’d love to know what you think. I’m available through Twitter @elohohel & Mastodon @elohohel@mastodon.social. Terms of Use (EULA) - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ A subscription / purchase is required to continue using the app.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Clinometer+ | Bubble Level Tool |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (1K ratings) — better | 4.4 (2.5K ratings) |
| Positive reviews | 48.1% of reviews — better | 5.9% of reviews |
| Number of ratings | 1K | 2.5K — better |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Subscription |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 16 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Tue Nguyen Minh | Rihab Mehboob |
Customer experience
Clinometer+
Bubble Level Tool
User reviews
Clinometer+
From 1K App Store ratingsWhat we love
- 👍 Cool app
- 👍 Useful for work
- 👍 Easy to use
Room to improve
- 💰 Not free to use
- 🐛 Terrible calibration
- 🔍 Deceptive free features
Bubble Level Tool
From 2.5K App Store ratingsWhat we love
- ⭐️ Useful app
- 🤠 Handy when needed
- 👍 It simply works
Room to improve
- 💰 Expensive subscription
- 🚫 Unusable without paying
- 📢 Constant upsell pop-ups
- 🕰️ Limited free trial
- 🤯 Frustrating experience
Bugs and requests
Clinometer+
Reported bugs
2 issues- Gave child a virus that searched for pornography
- Doesn't function at all
Requested features
2 requests- Ability to mount at any angle and calibrate
- Dampened response speed
Bubble Level Tool
Reported bugs
2 issues- Inaccurate level readings
- Compatibility issues with older devices
Requested features
3 requests- Percentage slope display option
- Ability to switch between degree and percent
- Refund/cancellation options
In-app purchases
Clinometer+
- Pro Features$1.99
Bubble Level Tool
- Bubble 1 Week$3.997 Days
- Bubble 1 Week$4.997 Days
- Bubble 1 Month3 Days trial$5.991 Month
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- Bubble 1 Month$9.991 Month
- Bubble 1 Year3 Days trial$24.991 Year
- Bubble 6 Months$29.996 Months
- Bubble 1 Year3 Days trial$39.991 Year
- Bubble Lifetime$17.99
- Bubble Lifetime$69.99
Questions
Is Clinometer+ free?
Is Bubble Level Tool free?
Which has better reviews, Clinometer+ or Bubble Level Tool?
Do Clinometer+ or Bubble Level Tool have ads?
Which is updated more often, Clinometer+ or Bubble Level Tool?
Other comparisons
