# Clinometer + bubble level vs Bubble Level for iPhone

The clearest difference is review sentiment: Clinometer + bubble level at 91% against Bubble Level for iPhone's 35%. Clinometer + bubble level also leads on ads (none vs shown) and chart position (#137 vs unranked). Bubble Level for iPhone's advantage is price (Free vs $1.99) and rating (4.6 vs 4.0). On in-app purchases, monetization model and device support there is nothing between them.

Bubble Level for iPhone 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 for iPhone sells 8 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Bubble Level for iPhone holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: Bubble Level for iPhone has 112K 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 35% of Bubble Level for iPhone'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 for iPhone every 5 weeks. Both last shipped on September 24, 2026.

## The numbers

| Metric | Clinometer + bubble level | Bubble Level for iPhone |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.0 (42 ratings)](https://appshunter.io/ios/app/clinometer-plus-bubble-level/id286215117/reviews) | **[4.6 (112K ratings)](https://appshunter.io/ios/app/bubble-level-for-iphone/id465613917/reviews)** |
| Number of ratings | 42 | **112K** |
| Positive reviews | **90.6% of reviews** | 35.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#137** | — |
| Size | 14 MB | 104 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Peter Breitling](https://appshunter.io/developer/286215120) | [Lemondo Apps LLc](https://appshunter.io/developer/1131593451) |

## 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 for iPhone

[App page](https://appshunter.io/ios/app/bubble-level-for-iphone/id465613917)

This app offers a suite of measurement and detection tools, including a bubble level for alignment, angle measurement, surface flatness checks, and metal detection. It also features an AR ruler for distance measurement and an inclinometer for off-road navigation.

**Highlights:** Bubble level for object alignment, Angle measurement, Surface flatness check, Metal and wire detection, AR ruler for distance measurement, Inclinometer for tilt control, Compass

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $4.99 | per 7 days |
| Weekly free trial | $4.99 | per 7 days |
| Monthly subscriptions | $5.99 | per month |
| Bubble Level Pro | $5.99 | per month |
| 3 month | $7.99 | per 3 months |
| 1 Year no free trial | $19.99 | per year |
| 1 Year | $19.99 | per year |
| Remove Ads | $0.99 | one-time |

**What reviewers like**

- 🚀 Handy tool
- 👍 Useful features
- 🚀 Accurate readings
- 👍 Reliable for leveling RVs and caravans

**What reviewers complain about**

- 🐛 Inaccurate readings
- 💩 Constant ads disrupting usage
- 🤑 Paywall for full functionality
- 🐛 Ads still present after paid upgrade

**Reported bugs**

- App freezing/crashing
- Ads blocking access to app features
- Inconsistent performance across devices

**Requested features**

- Calibration option
- Improved contrast for outdoor visibility
- Larger font size for readouts
- Plumb line view through camera


## Frequently asked questions

### Is Clinometer + bubble level free?

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

### Is Bubble Level for iPhone free?

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

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

Bubble Level for iPhone is rated higher. Clinometer + bubble level averages 4.0 out of 5 from 42 ratings, while Bubble Level for iPhone averages 4.6 from 112K ratings.

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

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

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

Clinometer + bubble level ships an update every 4 months, and Bubble Level for iPhone every 5 weeks. Most recently, Clinometer + bubble level was updated on September 24, 2026 and Bubble Level for iPhone 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.*