# Bubble Level vs COOSPOTools

The clearest difference is review sentiment: COOSPOTools at 100% against Bubble Level's 43%. COOSPOTools also leads on rating (5.0 vs 4.5) and in-app purchases (none vs 10). Bubble Level's advantage is update cadence (weekly vs every 6 weeks) and ratings volume (721 vs 1). On price and device support there is nothing between them.

Both are free to download. Bubble Level sells 10 in-app purchases, starting at $2.99 per month. COOSPOTools asks for nothing beyond the download.

COOSPOTools holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Bubble Level has 721 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 43% of Bubble Level's written reviews are positive against 100% of COOSPOTools's.

Bubble Level ships an update weekly, COOSPOTools every 6 weeks. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Bubble Level | COOSPOTools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (721 ratings)](https://appshunter.io/ios/app/bubble-level-angle-finder-ar/id1594066382/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/coospotools/id6756295878/reviews)** |
| Number of ratings | **721** | 1 |
| Positive reviews | 43.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 43 MB | 27 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jens Rieckhof](https://appshunter.io/developer/354266124) | [Shenzhen CooSpo Tech Co., Ltd.](https://appshunter.io/developer/1009201939) |

## What reviewers say

### Bubble Level

[App page](https://appshunter.io/ios/app/bubble-level-angle-finder-ar/id1594066382)

This utility app transforms your device into a precise bubble level and angle finder. It offers augmented reality measurement tools, a user-friendly interface, and Apple Watch integration for live readings. Ideal for DIY enthusiasts and professionals needing accurate surface leveling and inclination measurements.

**Highlights:** Augmented reality ruler and protractor, Precise angle measurements to one tenth of a degree, Effortless one-touch calibration, Clear and easy-to-read visual display, Apple Watch integration for live angle readings, Measures inclination and slope

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spirit Level Premium – Monthly | $2.99 | per month |
| Bubble Level Premium - Weekly | $2.99 | per 7 days |
| Bubble Level Premium - Monthly | $5.99 | per month |
| Spirit Level Premium – Annual | $14.99 | per year |
| Bubble Level Premium - Annual | $19.99 | per year |
| All features - No ads | $1.99 | one-time |
| Unlock all AR features | $5.99 | one-time |
| Discount Lifetime Premium | $14.99 | one-time |
| Bubble Level PREMIUM Lifetime | $19.99 | one-time |
| Bubble Level - Lifetime Premium | $29.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🔍 Accurate angle measurements
- 🛠️ Helpful for various tasks (telescopes, leveling, etc.)

**What reviewers complain about**

- 🤑 Expensive ad removal
- 🤖 Unreliable calibration
- 💤 Constant interruptions and ads
- 🚫 Unusable due to ads

**Reported bugs**

- App crashes on launch
- Measurement point behaves erratically

**Requested features**

- Ability to calibrate the app
- Option to change the display color


### COOSPOTools

[App page](https://appshunter.io/ios/app/coospotools/id6756295878)

Manage your COOSPO cycling devices with this tool. Monitor real-time data like power and cadence, and perform essential functions such as calibration and firmware updates. Ensure your cycling hardware is performing optimally.

**Highlights:** Real-time device status monitoring, Connect to smart trainers and power meters, Display power, cadence, and speed, Calibration and firmware updates, Parameter settings for hardware

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

**In-app purchases:** none


## Frequently asked questions

### Is Bubble Level free?

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

### Is COOSPOTools free?

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

### Which has better reviews, Bubble Level or COOSPOTools?

COOSPOTools is rated higher. Bubble Level averages 4.5 out of 5 from 721 ratings, while COOSPOTools averages 5.0 from 1 ratings.

### Do Bubble Level or COOSPOTools have ads?

Bubble Level shows ads; COOSPOTools does not.

### Which is updated more often, Bubble Level or COOSPOTools?

Bubble Level ships an update weekly, and COOSPOTools every 6 weeks. Most recently, Bubble Level was updated on November 7, 2026 and COOSPOTools on October 30, 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.*