# CANBAT BT vs Bubble Level

The clearest difference is in-app purchases: CANBAT BT at none against Bubble Level's 11. CANBAT BT also leads on ads (none vs shown) and review sentiment (75% vs 41%). Bubble Level's advantage is update cadence (weekly vs every 5 months). On price and device support there is nothing between them.

Both are free to download. Bubble Level sells 11 in-app purchases, starting at $1.99 per 7 days. CANBAT BT asks for nothing beyond the download.

CANBAT BT ships an update every 5 months, Bubble Level weekly. The most recent releases landed on October 18, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | CANBAT BT | Bubble Level |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (720 ratings)](https://appshunter.io/ios/app/bubble-level-ar-angle-finder/id1594066382/reviews)** |
| Number of ratings | — | **720** |
| Positive reviews | **75.0% of reviews** | 41.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 23 MB | 43 MB |
| Requires iOS | **10.0** | 16.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Canbat Technologies Inc](https://appshunter.io/developer/1576293194) | [Jens Rieckhof](https://appshunter.io/developer/354266124) |

## What reviewers say

### CANBAT BT

[App page](https://appshunter.io/ios/app/canbat-bt/id1583526074)

Monitor your Canbat LiFePO4 batteries wirelessly. View state of charge, current, and temperature directly from your mobile device. Avoid the cost of separate battery monitors.

**Highlights:** Wireless Bluetooth connection, Monitor state of charge (SOC), View charge/discharge current, Track battery temperature, Access battery management system (BMS), User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Bubble Level

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

This app transforms your phone into a precise leveling tool. It offers accurate angle measurement, inclination detection, and augmented reality features for DIY and professional use. Calibration is simple and quick.

**Highlights:** Ultra-precise angle measurement, Inclination and slope meter, Augmented reality ruler and protractor, Effortless one-touch calibration, Clear and easy-to-read display, User-friendly interface

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Weekly Plan | $1.99 | per 7 days |
| 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


## Frequently asked questions

### Is CANBAT BT free?

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

### Is Bubble Level free?

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

### Do CANBAT BT or Bubble Level have ads?

Bubble Level shows ads; CANBAT BT does not.

### Which is updated more often, CANBAT BT or Bubble Level?

CANBAT BT ships an update every 5 months, and Bubble Level weekly. Most recently, CANBAT BT was updated on October 18, 2026 and Bubble Level on October 27, 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.*