# Bubble Level vs Carrier SmartHome

The clearest difference is rating: Bubble Level at 4.0 against Carrier SmartHome's 3.5. Bubble Level also leads on monetization model (free vs free with in-app purchases). Carrier SmartHome's advantage is ratings volume (2.5K vs 3) and device support (3 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Bubble Level holds the better App Store score, 4.0 against 3.5. That said, the two scores are not equally well evidenced: Carrier SmartHome has 2.5K ratings behind it against 3, so its average is the more settled of the two.

Bubble Level ships an update every 2 weeks, Carrier SmartHome fortnightly. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Bubble Level | Carrier SmartHome |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/bubble-level-neo/id1621303604/reviews)** | [3.5 (2.5K ratings)](https://appshunter.io/ios/app/carrier-smarthome/id6503700523/reviews) |
| Number of ratings | 3 | **2.5K** |
| Positive reviews | — | 11.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 15 MB | 193 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [taishin miyamoto](https://appshunter.io/developer/1570395608) | [Carrier Corporation](https://appshunter.io/developer/542004889) |

## What reviewers say

### Bubble Level

[App page](https://appshunter.io/ios/app/bubble-level-neo/id1621303604)

Transform your phone into a precise measuring tool for DIY and home improvement. Quickly check horizontal and vertical alignment with a clean interface and accurate sensor detection, eliminating the need for extra tools.

**Highlights:** Precise bubble level, Horizontal and vertical alignment, Easy-to-read interface, Accurate sensor detection, No extra tools needed

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

**In-app purchases:** none


### Carrier SmartHome

[App page](https://appshunter.io/ios/app/carrier-smarthome/id6503700523)

Control your home's comfort remotely with this app. Adjust temperature, set custom schedules, monitor energy usage, and receive important alerts. It offers a personalized and efficient way to manage your home's climate.

**Highlights:** Remote temperature and humidity control, Customizable smart schedules, Energy usage monitoring, Real-time system alerts, Personalized comfort settings

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Significant improvement
- 👍 Intuitive and easy to use
- 👍 Sleek, modern feel
- 👍 Refreshed look and improved experience
- 👍 Good screens

**What reviewers complain about**

- 🐛 App freezes and requires force quit
- 🐛 Doesn't show correct operating status
- 🐛 Doesn't update outside temperature
- 🐛 Fails to register temperature changes
- 🐛 Unreliable connection and sync issues

**Reported bugs**

- App freezes and becomes unresponsive
- Operating status not in sync with wall controller
- Notifications don't work or are delayed
- AQI data is inaccurate for user's location
- Temperature changes not reflected in app

**Requested features**

- Show system operating status (heating, cooling)
- Display energy consumption details
- Add more temperature schedule options
- Integrate with Apple HomeKit
- Show outside temperature measured by the system


## Frequently asked questions

### Is Bubble Level free?

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

### Is Carrier SmartHome free?

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

### Which has better reviews, Bubble Level or Carrier SmartHome?

Bubble Level is rated higher. Bubble Level averages 4.0 out of 5 from 3 ratings, while Carrier SmartHome averages 3.5 from 2.5K ratings.

### Do Bubble Level or Carrier SmartHome have ads?

Neither Bubble Level nor Carrier SmartHome shows ads.

### Which is updated more often, Bubble Level or Carrier SmartHome?

Bubble Level ships an update every 2 weeks, and Carrier SmartHome fortnightly. Most recently, Bubble Level was updated on October 23, 2026 and Carrier SmartHome 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.*