# Bubble Level for iPhone vs Digital Angle Finder

The clearest difference is rating: Bubble Level for iPhone at 4.6 against Digital Angle Finder's 4.1. Bubble Level for iPhone also leads on ratings volume (112K vs 233) and iOS requirement (13.0 vs 15.0). Digital Angle Finder's advantage is in-app purchases (none vs 8) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Bubble Level for iPhone sells 8 in-app purchases, starting at $4.99 per 7 days. Digital Angle Finder asks for nothing beyond the download.

Bubble Level for iPhone holds the better App Store score, 4.6 against 4.1. That said, the two scores are not equally well evidenced: Bubble Level for iPhone has 112K ratings behind it against 233, so its average is the more settled of the two. Written reviews complicate that: 35% of Bubble Level for iPhone's written reviews are positive against 54% of Digital Angle Finder's, so the app with the better star average is not the one people write more warmly about.

Bubble Level for iPhone ships an update every 5 weeks, Digital Angle Finder every 2 months. The most recent releases landed on September 25, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Bubble Level for iPhone | Digital Angle Finder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (112K ratings)](https://appshunter.io/ios/app/bubble-level-for-iphone/id465613917/reviews)** | [4.1 (233 ratings)](https://appshunter.io/ios/app/digital-angle-finder-3d-meter/id1081939665/reviews) |
| Number of ratings | **112K** | 233 |
| Positive reviews | 35.4% of reviews | **54.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 104 MB | 80 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lemondo Apps LLc](https://appshunter.io/developer/1131593451) | [ALEXEY BRILEV](https://appshunter.io/developer/667579847) |

## What reviewers say

### 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


### Digital Angle Finder

[App page](https://appshunter.io/ios/app/digital-angle-finder-3d-meter/id1081939665)

Measure angles precisely using your device's sensors.  It functions as both a protractor and a 3D angle meter, allowing you to determine angles between surfaces or lines on a plane with high accuracy. Save your measurements by taking photos with the angle recorded.

**Highlights:** Precise angle measurement, 3D angle measurement, Protractor mode, Save measurements with photos, High accuracy (1-degree error)

**In-app purchases:** none

**What reviewers like**

- 👍 Amazing app, does what it claims
- 👍 No annoying ads or up-sells
- 👍 No tracking
- 👍 Very useful app, love it
- 👍 Easy to used

**What reviewers complain about**

- 🐛 Rien ne se passe
- 🐛 Nicht das was ich gesucht habe
- 🐛 Dauert lange bis Ergebnis angezeigt
- 🐛 Horrible app doesn’t work
- 🐛 Gives wrong measurements (172 degrees)

**Reported bugs**

- No measurements detected
- App doesn't work
- Incorrect measurements (e.g., 172 degrees, 2 and 178 degrees, 179 degrees)
- App doesn't work on vertical angles
- New update ruined the app, only works on still surfaces

**Requested features**

- Add a spirit level function
- Add a function to start and end measurement by pressing a button
- Ability to manually measure angle on a photo
- Display mode for surface vs. edge measurement
- Clarify zero point and measurement range for length measurement


## Frequently asked questions

### Is Bubble Level for iPhone free?

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

### Is Digital Angle Finder free?

Digital Angle Finder is free to download, with no in-app purchases.

### Which has better reviews, Bubble Level for iPhone or Digital Angle Finder?

Bubble Level for iPhone is rated higher. Bubble Level for iPhone averages 4.6 out of 5 from 112K ratings, while Digital Angle Finder averages 4.1 from 233 ratings.

### Do Bubble Level for iPhone or Digital Angle Finder have ads?

Bubble Level for iPhone shows ads; Digital Angle Finder does not.

### Which is updated more often, Bubble Level for iPhone or Digital Angle Finder?

Bubble Level for iPhone ships an update every 5 weeks, and Digital Angle Finder every 2 months. Most recently, Bubble Level for iPhone was updated on September 25, 2026 and Digital Angle Finder 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.*