# Bubble Level for iPhone vs Stud Finder®

The clearest difference is ads: Stud Finder® at none against Bubble Level for iPhone's shown. Bubble Level for iPhone's advantage is review sentiment (35% vs 8%) and ratings volume (112K vs 23K). On price, rating, update cadence and in-app purchases 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 and Stud Finder® sells 2 in-app purchases, starting at $1.99 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 4.4. Both are backed by a comparable volume of ratings — 112K and 23K respectively. Written reviews point the same way: 35% of Bubble Level for iPhone's written reviews are positive against 8% of Stud Finder®'s.

Bubble Level for iPhone ships an update every 5 weeks, Stud Finder® every 6 weeks. Both last shipped on October 15, 2026.

## The numbers

| Metric | Bubble Level for iPhone | Stud Finder® |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (112K ratings)](https://appshunter.io/ios/app/bubble-level-for-iphone/id465613917/reviews)** | [4.4 (23K ratings)](https://appshunter.io/ios/app/stud-finder/id1484289588/reviews) |
| Number of ratings | **112K** | 23K |
| Positive reviews | **34.6% of reviews** | 7.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 104 MB | 13 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lemondo Apps LLc](https://appshunter.io/developer/1131593451) | [Tue Nguyen Minh](https://appshunter.io/developer/434811167) |

## 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


### Stud Finder®

[App page](https://appshunter.io/ios/app/stud-finder/id1484289588)

This utility app uses your iPhone's magnetometer to detect metal studs behind walls. Simply hold your device near the wall and observe the indicator for changes in the magnetic field. For best results, remove any external case from your phone.

**Highlights:** Detect metal studs, Uses magnetometer, Measures magnetic field, Indicator for metal proximity, Instructions for accuracy

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stud Finder Pro (Weekly) | $1.99 | per 7 days |
| Pro Features | $1.99 | one-time |

**What reviewers like**

- 🚀 Accurately detects metal objects
- 💡 Innovative use of phone sensors
- 👍 Helpful for specific use cases

**What reviewers complain about**

- 🔒 Aggressive monetization with constant upgrade prompts
- 🐛 Inconsistent and unreliable performance
- 👎 Limited functionality in free version
- 🕰️ Extremely short usage time before lockout

**Reported bugs**

- Fails to detect known metal objects
- Erratic behavior and constant beeping
- Upgrade issues even after purchase

**Requested features**

- Ability to detect wooden studs
- Longer free trial period
- More intuitive user interface


## Frequently asked questions

### Is Bubble Level for iPhone free?

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

### Is Stud Finder® free?

Stud Finder® is free to download, with in-app purchases available.

### Which has better reviews, Bubble Level for iPhone or Stud Finder®?

Bubble Level for iPhone is rated higher. Bubble Level for iPhone averages 4.6 out of 5 from 112K ratings, while Stud Finder® averages 4.4 from 23K ratings.

### Do Bubble Level for iPhone or Stud Finder® have ads?

Bubble Level for iPhone shows ads; Stud Finder® does not.

### Which is updated more often, Bubble Level for iPhone or Stud Finder®?

Bubble Level for iPhone ships an update every 5 weeks, and Stud Finder® every 6 weeks. Most recently, Bubble Level for iPhone was updated on October 15, 2026 and Stud Finder® on October 15, 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.*