Bubble Level vs NoZero
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bubble Level
This tool helps you ensure surfaces are perfectly horizontal or vertical using various measurement modes. It offers features like angle locking, calibration for accuracy, and an audible indicator for precise leveling.
- Multiple leveling modes (Circle, Vertical, Horizontal, Mix)
- Lock current angle feature
- Calibration for accurate readings
- Audible indicator for perfect leveling
- User-friendly interface
- Angle locking
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Ensure Your Surfaces Are Perfectly Horizontal or Vertical with Bubble Level app. There are four modes that you can choose: Circle Level: Simultaneously measure the horizontal and vertical angles. Vertical Level: Ideal for ensuring walls and other vertical surfaces are perfectly vertical. Horizontal Level: Perfect for checking that tables, floors, and other horizontal surfaces are perfectly horizontal. Mix Mode: All-in-one display featuring circle, vertical, and horizontal levels. Lock the Angle: Need to maintain a specific measurement? Use our "Lock the Angle" feature to freeze the current angle. Calibrate for Accuracy: Does your phone case or camera bump interfere with the leveling? Our calibration feature allows you to zero out the readings, ensuring you start from a perfectly horizontal or vertical point. Audible Indicator: Activate the sound function to receive an audio cue when your surface is perfectly horizontal or vertical. Accuracy has never sounded so good! Why Choose our app? User-friendly interface Highly accurate measurements Versatile features for a wide range of applications Handy add-ons like angle locking and calibration Bubble Level app is free. You can use it forever, at no cost. However, Bubble Level does offer premium features for its subscribers. If you decide to purchase an upgrade, you will unlock additional features. ADDITIONAL FEATURES FOR SUBSCRIBED USERS • No Ads • Access the "lock" feature • Access the vertical level, horizontal level, and mix mode. Terms of Use: https://kociapp.github.io/Bubble-Level/term-of-use Privacy Policy: https://kociapp.github.io/Bubble-Level/privacy-policy
NoZero
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NoZero helps you build consistency and avoid zero days. Inspired by the “No Zero Days” philosophy, the app encourages you to take at least one meaningful action every day. Even the smallest step counts. Track your daily progress, visualize your consistency, and understand how your actions shape your future. FEATURES • Track Non-Zero Days Mark each day you take action and build a visible streak. • Monthly Progress See how consistent you are throughout the month. • Life Calendar Visualize your life timeline and understand how your weeks accumulate over time. • Insights and Patterns Discover your strongest growth areas and track your life impact score. • Future Projection (Premium) See how your current habits may influence your future trajectory. NoZero is designed to be simple, focused, and motivating — helping you build momentum one day at a time. Start today. Don’t let today be a zero day. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is device support: Bubble Level at 3 against NoZero's —. Bubble Level also leads on iOS requirement (15.0 vs 26.2). On price and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Bubble Level sells 3 in-app purchases, starting at $1.99 per 7 days and NoZero sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Bubble Level | NoZero |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (60 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 60 — better | — |
| Update frequency | Every 2 weeks | — |
| Ads | Yes | — |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | — |
| Requires iOS | 15.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 16 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Andy Sutanto | Mustafa Dil |
In-app purchases
Bubble Level
- Bubble Level Pro$1.997 Days
- Spirit Level Pro$19.991 Year
- Waterpas Pro - Waterpass$39.99
NoZero
- NoZero Premium$2.991 Month









