# 70 Degree vs Bubble Level + Spirit Level

The clearest difference is review sentiment: Bubble Level + Spirit Level at 100% against 70 Degree's 20%. Bubble Level + Spirit Level also leads on rating (4.4 vs 2.9) and update cadence (fortnightly vs every 6 months). 70 Degree's advantage is in-app purchases (none vs 7) and iOS requirement (12.0 vs 16.6). On price, ads 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. 70 Degree asks for nothing beyond the download.

Bubble Level + Spirit Level holds the better App Store score, 4.4 against 2.9. Both are backed by a comparable volume of ratings — 10 and 35 respectively. Written reviews point the same way: 20% of 70 Degree's written reviews are positive against 100% of Bubble Level + Spirit Level's.

70 Degree ships an update every 6 months, Bubble Level + Spirit Level fortnightly. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 70 Degree | Bubble Level + Spirit Level |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (10 ratings)](https://appshunter.io/ios/app/70-degree-smart-protractor/id1439735699/reviews) | **[4.4 (35 ratings)](https://appshunter.io/ios/app/bubble-level-plus-spirit-level/id1547834136/reviews)** |
| Number of ratings | 10 | **35** |
| Positive reviews | 20.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Fortnightly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 19 MB | 39 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [sekleung chang](https://appshunter.io/developer/867512958) | [Jens Rieckhof](https://appshunter.io/developer/354266124) |

## What reviewers say

### 70 Degree

[App page](https://appshunter.io/ios/app/70-degree-smart-protractor/id1439735699)

This utility app helps you measure angles with your iPhone. It provides notifications when a target angle is reached, with options for visual and auditory alerts.

**Highlights:** Angle degree measurement, Customizable angle alerts, Visual strobe notifications, Auditory alerts, Vibration alerts

**Features:** Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is 70 Degree free?

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

### Is Bubble Level + Spirit Level free?

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

### Which has better reviews, 70 Degree or Bubble Level + Spirit Level?

Bubble Level + Spirit Level is rated higher. 70 Degree averages 2.9 out of 5 from 10 ratings, while Bubble Level + Spirit Level averages 4.4 from 35 ratings.

### Do 70 Degree or Bubble Level + Spirit Level have ads?

Both 70 Degree and Bubble Level + Spirit Level show ads.

### Which is updated more often, 70 Degree or Bubble Level + Spirit Level?

70 Degree ships an update every 6 months, and Bubble Level + Spirit Level fortnightly. Most recently, 70 Degree was updated on October 7, 2026 and Bubble Level + Spirit Level on October 25, 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.*