Comparison

iGian vs Bubble Level + Measure Kit

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

iGian

A straightforward calculator employing Reverse Polish Notation (RPN) for efficient calculations. It offers a simple interface for users who prefer this input method. Ideal for quick mathematical operations without complex menus.

Highlights
  • Reverse Polish Notation (RPN) input
  • Simple and intuitive interface
  • Efficient calculation method
  • Designed for quick operations
Features
Read full description

Semplice calcolatrice RPN

About

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.

Highlights
  • High precision spirit level
  • Angle measurement
  • Beautifully designed UI
  • Pocket-sized utility
  • iPhone and iPad compatible
Features
Read full description

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.

Screenshots

iGian1 screens
Bubble Level + Measure Kit4 screens

Verdict

The call

The clearest difference is in-app purchases: iGian at none against Bubble Level + Measure Kit's 1. iGian also leads on iOS requirement (12.0 vs 17.0). Bubble Level + Measure Kit's advantage is review sentiment (13% vs 0%). On price, update cadence, ads and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Bubble Level + Measure Kit sells 1 one-off in-app purchase. iGian asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 6, 2026 and November 1, 2026 respectively.

Scorecard4 real differences Ā· 4 level
iGian versus Bubble Level + Measure Kit: the parameters behind the verdict, then further details
ParameteriGianBubble Level + Measure Kit
PriceFreeFree
Positive reviews0.0% of reviews12.5% of reviews — better
Update frequencyEvery 3 monthsEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size2 MB3 MB
Age rating4+4+
DeveloperGian Vitale Da Rin VidalSensonet

Customer experience

iGian

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bubble Level + Measure Kit

Written reviews8 reviews
Positive12.5%
Neutral0.0%
Negative87.5%

In-app purchases

None

iGian

No in-app purchases

1 purchases

Bubble Level + Measure Kit

One-time1
  • Pro$1.99

Questions

Is iGian free?
iGian is free to download, with no in-app purchases.
Is Bubble Level + Measure Kit free?
Bubble Level + Measure Kit is free to download, with in-app purchases available.
Do iGian or Bubble Level + Measure Kit have ads?
Neither iGian nor Bubble Level + Measure Kit shows ads.
Which is updated more often, iGian or Bubble Level + Measure Kit?
iGian ships an update every 3 months, and Bubble Level + Measure Kit every 3 months. Most recently, iGian was updated on November 6, 2026 and Bubble Level + Measure Kit on November 1, 2026.

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