Bubble Level + Measure Kit vs Octo Inventory
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bubble Level + Measure Kit
This utility app turns your device into a high-precision spirit level. Measure angles on any surface with a beautifully designed interface. Available at a special limited-time price.
- High precision spirit level
- Angle measurement
- Beautifully designed UI
- Pocket-sized utility
- iPhone and iPad compatible
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Turn your iPhone and iPad into a complete measuring toolkit. Su Terazisi + started as a precise bubble level – version 2.0 grows it into 12 tools in one clean, ad-free app. LEVEL & ANGLE • Bubble level: classic vial on an edge, bullseye level when lying flat • Two-step calibration for true precision • Angle finder with plumb line and surface slope • Read in degrees, percent slope, mm/m, in/ft or 1:x ratio • Camera level: line up photos, shelves and frames through the camera MEASURE • Ruler calibrated to your device's screen, in cm and inches • Protractor for any angle on screen • Height finder: measure trees, walls and buildings by aiming the camera COMPASS & QIBLA • Clear compass with true or magnetic north • Qibla direction from your location, with distance to the Kaaba and a gentle vibration when you face it SENSORS • Metal detector: magnetic field strength in µT • Vibration meter: live seismograph with peak and RMS • Barometer: air pressure, height change and floors • Sound meter: noise level in dB with average and maximum • Light meter: illuminance in lux MADE FOR REAL WORK • Hold and Zero on every measuring tool • Save readings, add notes and export them as CSV • Haptic feedback when you hit level • Dark and light themes with large, easy-to-read numbers • Works offline. No ads, no subscriptions, no tracking – your measurements stay on your device. Sound, light and magnetic readings are estimates from your device's sensors and are not a substitute for certified instruments. FREE & PRO Level, Angle Finder and Compass & Qibla are free. Every other tool is part of Pro, a one-time purchase with no subscription – and you can try each Pro tool 3 times for free. Bought Su Terazisi before version 2.0? Pro is included.
Octo Inventory
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Octo Inventory APP is the tool necessary to Installers and Agencies in order to perform: - the inventory activities requested by Octo on devices of Octo - the sending of Good Return requests
Screenshots
Verdict
The clearest difference is update cadence: Bubble Level + Measure Kit at every 4 months against Octo Inventory's every 11 months. Octo Inventory's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
Bubble Level + Measure Kit ships an update every 4 months, Octo Inventory every 11 months. The most recent releases landed on October 21, 2026 and October 13, 2026 respectively.
| Parameter | Bubble Level + Measure Kit | Octo Inventory |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 12.5% of reviews | — |
| Update frequency | Every 4 months — better | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Sensonet | OCTO Telematics |
In-app purchases
Bubble Level + Measure Kit
No in-app purchases
Octo Inventory
No in-app purchases
Questions
Is Bubble Level + Measure Kit free?
Is Octo Inventory free?
Do Bubble Level + Measure Kit or Octo Inventory have ads?
Which is updated more often, Bubble Level + Measure Kit or Octo Inventory?
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