# Bubble Level + Compass Pro vs BLUETTI

The clearest difference is price: BLUETTI at Free against Bubble Level + Compass Pro's $0.99. BLUETTI also leads on update cadence (every 3 weeks vs every 17 months) and ratings volume (1.5K vs 22). Bubble Level + Compass Pro's advantage is rating (5.0 vs 4.3) and review sentiment (100% vs 66%). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

BLUETTI is free to download; Bubble Level + Compass Pro costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Bubble Level + Compass Pro holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: BLUETTI has 1.5K ratings behind it against 22, so its average is the more settled of the two. Written reviews point the same way: 100% of Bubble Level + Compass Pro's written reviews are positive against 66% of BLUETTI's.

Bubble Level + Compass Pro ships an update every 17 months, BLUETTI every 3 weeks. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Bubble Level + Compass Pro | BLUETTI |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (22 ratings)](https://appshunter.io/ios/app/bubble-level-plus-compass-pro/id988590222/reviews)** | [4.3 (1.5K ratings)](https://appshunter.io/ios/app/bluetti/id1550568336/reviews) |
| Number of ratings | 22 | **1.5K** |
| Positive reviews | **100.0% of reviews** | 66.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 7 MB | 272 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dimitrios Kechagias](https://appshunter.io/developer/970157964) | [Shenzhen Poweroak Newener Co., Ltd.](https://appshunter.io/developer/1281393663) |

## What reviewers say

### Bubble Level + Compass Pro

[App page](https://appshunter.io/ios/app/bubble-level-plus-compass-pro/id988590222)

This utility app provides a precise spirit level and compass for your iPhone and Apple Watch. Get live readings on your wrist, even when your phone's screen is out of sight. Features include bullseye, horizontal, and vertical levels with 0.1-degree precision.

**Highlights:** Bullseye, horizontal, and vertical levels, 0.1-degree precision, True and magnetic heading, Apple Watch companion app, Gyro or accelerometer sensor mode, Red-light night mode

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### BLUETTI

[App page](https://appshunter.io/ios/app/bluetti/id1550568336)

Manage your portable power station remotely. Monitor real-time energy usage, adjust settings for optimal performance, and receive instant alerts. Schedule charging and keep your device updated with the latest firmware.

**Highlights:** Real-time power monitoring, Remote setting adjustments, Instant status alerts, Scheduled charging, Firmware updates, User forum

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Quick connection
- 💡 Useful features
- 🔋 Reliable power backup

**What reviewers complain about**

- 🐛 Connectivity issues
- 🔒 Forced account login
- 🤔 Cluttered interface
- 🔋 Battery drain issues

**Reported bugs**

- Bluetooth pairing problems
- Inconsistent WiFi connectivity
- Incorrect data reporting
- Forced app updates

**Requested features**

- Landscape mode support
- Estimated time remaining
- Customizable notifications
- Improved data analytics


## Frequently asked questions

### Is Bubble Level + Compass Pro free?

Bubble Level + Compass Pro costs $0.99, with no in-app purchases.

### Is BLUETTI free?

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

### Which has better reviews, Bubble Level + Compass Pro or BLUETTI?

Bubble Level + Compass Pro is rated higher. Bubble Level + Compass Pro averages 5.0 out of 5 from 22 ratings, while BLUETTI averages 4.3 from 1.5K ratings.

### Do Bubble Level + Compass Pro or BLUETTI have ads?

Neither Bubble Level + Compass Pro nor BLUETTI shows ads.

### Which is updated more often, Bubble Level + Compass Pro or BLUETTI?

Bubble Level + Compass Pro ships an update every 17 months, and BLUETTI every 3 weeks. Most recently, Bubble Level + Compass Pro was updated on October 10, 2026 and BLUETTI 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.*