Bubble Level Tool vs Black Box Dyno
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bubble Level Tool
Measure precise angles and levels with your device. Easily switch between portrait, landscape, and surface level modes. Lock and reset angles for accurate measurements.
- Measure current device angle
- Reset angle
- Lock angle
- Portrait mode
- Landscape mode
- Surface level
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Bubble Level Tool - Digital lets you see the current angle of your device, along with reseting and locking the angle too. Tilt the device to measure the precise angle and easily switch between portrait, landscape & surface level. If you have any questions or feedback, I'm all ears. Bubble Level Tool - Digital was created by an individual in his free time, and I’d love to know what you think. I’m available through Twitter @elohohel & Mastodon @elohohel@mastodon.social. Terms of Use (EULA) - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ A subscription / purchase is required to continue using the app.
Black Box Dyno
This application analyzes minibike performance when used with compatible hardware. It displays real-time speed and engine RPM, and provides detailed post-run data on gearing, horsepower, torque, and top speed. It's ideal for tuning modifications or settling friendly performance debates.
- Speedometer
- Tachometer
- Gearing analysis
- Horsepower tracking
- Torque measurement
- Top speed recording
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Black Box Dyno, when paired with the associated hardware, brings minibike performance analysis to the palm of your hand. The app features a speedometer and tachometer, as well as post-run review of gearing, horsepower, torque, top speed and more. This is an essential tool for those who want to see how their bike modifications change performance or for anyone who needs to prove to friends their bike is better. Order the hardware at blackboxdyno.com.
Screenshots
Verdict
The clearest difference is rating: Black Box Dyno at 5.0 against Bubble Level Tool's 4.4. Black Box Dyno also leads on in-app purchases (none vs 9). Bubble Level Tool's advantage is ratings volume (2.5K vs 3) and update cadence (weekly vs every 5 weeks). On price, ads, device support and iOS requirement 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 Tool sells 9 in-app purchases, starting at $3.99 per 7 days. Black Box Dyno asks for nothing beyond the download.
Black Box Dyno holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Bubble Level Tool has 2.5K ratings behind it against 3, so its average is the more settled of the two.
Bubble Level Tool ships an update weekly, Black Box Dyno every 5 weeks. The most recent releases landed on September 22, 2026 and September 6, 2026 respectively.
| Parameter | Bubble Level Tool | Black Box Dyno |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (2.5K ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 6.0% of reviews | — |
| Number of ratings | 2.5K — better | 3 |
| Update frequency | Weekly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Rihab Mehboob | Lexi Wozniak |
Customer experience
Bubble Level Tool
Black Box Dyno
Bugs and requests
Bubble Level Tool
Reported bugs
2 issues- Inaccurate level readings
- Compatibility issues with older devices
Requested features
3 requests- Percentage slope display option
- Ability to switch between degree and percent
- Refund/cancellation options
Black Box Dyno
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Bubble Level Tool
- Bubble 1 Week$3.997 Days
- Bubble 1 Week$4.997 Days
- Bubble 1 Month3 Days trial$5.991 Month
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- Bubble 1 Month$9.991 Month
- Bubble 1 Year3 Days trial$24.991 Year
- Bubble 6 Months$29.996 Months
- Bubble 1 Year3 Days trial$39.991 Year
- Bubble Lifetime$17.99
- Bubble Lifetime$69.99
Black Box Dyno
No in-app purchases
Questions
Is Bubble Level Tool free?
Is Black Box Dyno free?
Which has better reviews, Bubble Level Tool or Black Box Dyno?
Do Bubble Level Tool or Black Box Dyno have ads?
Which is updated more often, Bubble Level Tool or Black Box Dyno?
Other comparisons
