# Bubble Level + Spirit Level vs Goniometer

The clearest difference is review sentiment: Bubble Level + Spirit Level at 100% against Goniometer's 0%. Bubble Level + Spirit Level also leads on rating (4.4 vs 1.0) and ratings volume (35 vs 2). Goniometer's advantage is in-app purchases (none vs 7) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Bubble Level + Spirit Level sells 7 in-app purchases, starting at $0.99 per 7 days. Goniometer asks for nothing beyond the download.

Bubble Level + Spirit Level holds the better App Store score, 4.4 against 1.0. That said, the two scores are not equally well evidenced: Bubble Level + Spirit Level has 35 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Bubble Level + Spirit Level's written reviews are positive against 0% of Goniometer's.

Bubble Level + Spirit Level ships an update fortnightly, Goniometer monthly. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Bubble Level + Spirit Level | Goniometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (35 ratings)](https://appshunter.io/ios/app/bubble-level-plus-spirit-level/id1547834136/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/goniometer/id6736895084/reviews) |
| Number of ratings | **35** | 2 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 38 MB | 29 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jens Rieckhof](https://appshunter.io/developer/354266124) | [GemRed](https://appshunter.io/developer/1279222567) |

## What reviewers say

### Bubble Level + Spirit Level

[App page](https://appshunter.io/ios/app/bubble-level-plus-spirit-level/id1547834136)

Transform your smartphone into a precise measuring tool. This application offers two modes for accurately leveling surfaces or measuring angles, with calibration made simple. It's ideal for tasks like hanging pictures, checking table levels, or calculating roof pitches.

**Highlights:** Bubble level and spirit level modes, Accurate to one tenth of a degree, Easy calibration, Camera support, Multiple color schemes, Angle and slope measurement

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bubble Level - Weekly | $0.99 | per 7 days |
| Bubble Level - Weekly | $1.99 | per 7 days |
| Bubble Level - Annual | $6.99 | per year |
| Bubble Level - Annual | $8.99 | per year |
| Bubble Level - Lifetime Discount | $9.99 | one-time |
| Bubble Level - Lifetime Premium | $12.99 | one-time |
| Bubble Level - Lifetime | $19.99 | one-time |


### Goniometer

[App page](https://appshunter.io/ios/app/goniometer/id6736895084)

Easily record joint motion range using Bluetooth connection with a digital goniometer. Track personal rehabilitation training progress for joint movement. Remember to consult a doctor before making medical decisions.

**Highlights:** Bluetooth connectivity with digital goniometer, Record joint range of motion, Track personal rehabilitation status, Monitor joint movement progress, Easy data recording

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bubble Level + Spirit Level free?

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

### Is Goniometer free?

Goniometer is free to download, with no in-app purchases.

### Which has better reviews, Bubble Level + Spirit Level or Goniometer?

Bubble Level + Spirit Level is rated higher. Bubble Level + Spirit Level averages 4.4 out of 5 from 35 ratings, while Goniometer averages 1.0 from 2 ratings.

### Do Bubble Level + Spirit Level or Goniometer have ads?

Bubble Level + Spirit Level shows ads; Goniometer does not.

### Which is updated more often, Bubble Level + Spirit Level or Goniometer?

Bubble Level + Spirit Level ships an update fortnightly, and Goniometer monthly. Most recently, Bubble Level + Spirit Level was updated on October 15, 2026 and Goniometer on October 13, 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.*