# Bubble Level vs Secuware Human Proof

The clearest difference is price: Bubble Level at Free against Secuware Human Proof's $0.99. Secuware Human Proof's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Bubble Level is free to download; Secuware Human Proof costs $0.99 up front. Bubble Level sells 1 one-off in-app purchase. Secuware Human Proof asks for nothing beyond the download.

## The numbers

| Metric | Bubble Level | Secuware Human Proof |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.6 (3.1K ratings)](https://appshunter.io/ios/app/bubble-level-spirit-level/id906629042/reviews)** | — |
| Number of ratings | **3.1K** | — |
| Positive reviews | 29.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 12 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Netviking AB](https://appshunter.io/developer/425652251) | [DNIWallet, SL.](https://appshunter.io/developer/467270698) |

## What reviewers say

### Bubble Level

[App page](https://appshunter.io/ios/app/bubble-level-spirit-level/id906629042)

This utility app functions as a precise spirit level for your iOS devices. It's ideal for tasks like aligning picture frames, measuring angles, and checking the levelness of various surfaces. The app offers calibration and accurate readings to a tenth of a degree.

**Highlights:** Measure surface level, Calibrate with one click, Accurate to 0.1 degree, Retina display support, Picture frame alignment, Angle and slope measurement

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Upgrade | $4.99 | one-time |

**What reviewers like**

- 👍 Handy app to have available
- 🚀 Easy to use
- 💡 Useful for home jobs
- 🚀 Accurate and functional

**What reviewers complain about**

- 🐛 Ads constantly interrupt usage
- 🐛 Ads prevent app from working properly
- 🐛 Ads and games take over the app
- 🐛 Calibration issues and inability to use vertically

**Reported bugs**

- Ads crash the app
- Inability to exit the app due to ads
- Calibration button doesn't work as expected

**Requested features**

- Percent slope display option
- Ability to rotate bubble to vertical position


### Secuware Human Proof

[App page](https://appshunter.io/ios/app/secuware-human-proof/id6793901423)

**In-app purchases:** none


## Frequently asked questions

### Is Bubble Level free?

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

### Is Secuware Human Proof free?

Secuware Human Proof costs $0.99, with no in-app purchases.

### Do Bubble Level or Secuware Human Proof have ads?

Bubble Level shows ads; Secuware Human Proof does not.

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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.*