Comparison

Bubble Level + Measure Kit vs Tag Shark

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

Head to head
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.

About

Tag Shark

Manage loyalty cards, membership barcodes, and create custom QR codes. Easily scan and store information, read and write NFC tags, and access essential cards on your Apple Watch.

Highlights
  • Scan and store unlimited barcodes
  • Create custom QR codes with logos and colors
  • Read and write NFC tags
  • Manage loyalty and membership cards
  • Sync data across Apple devices
  • Generate QR codes for contacts, links, and Wi-Fi
Features
Read full description

Keep loyalty cards and membership barcodes ready to scan on your Apple Watch. Scan and create barcodes, design personalised QR codes, and read or write NFC tags with your iPhone. From everyday cards to digital business cards and branded QR codes, keep useful information ready to scan and share. Available on iOS, macOS and Apple Watch BARCODES • Scan barcodes with your iPhone camera • Save unlimited barcodes with custom labels • Import barcode images from other apps or paste them from the clipboard • Add barcodes manually when you don’t have the physical card • Create codes in a wide range of formats, including QR, Micro QR, rectangular rMQR, Aztec, Data Matrix, PDF417, MicroPDF417, Code 128, Code 39, Code 93, Codabar, EAN-8, EAN-13, UPC-E and GS1 DataBar • QR codes to open a link, place a call, send a message, share WiFI details or import a contact to share a contact. • Sync your barcodes to your macOS computer or other iOS devices using iCloud MAKE IT YOURS WITH CREATIVE QR • Personalise QR codes with your own colors and rounded or square dots • Add a logo in the centre or use your image as artwork across the code • Create distinctive codes for your business, website or contact details • Export as an image or SVG, share or print Creative QR is available on iPhone and macOS with Creative Pro, a one-time in-app purchase. No subscription. BUSINESS CARDS • Scan a business card and turn its details into a contact QR code • Create a QR code from an existing contact • Save scanned contact details to your phone • Keep digital business cards ready to share NFC TOOLS ON YOUR IPHONE • Read compatible NFC tags and save their content • Turn saved NFC content into QR codes • Write saved content, including links, phone numbers and text, to compatible NFC tags READY ON YOUR APPLE WATCH • Choose which supported barcodes to keep on your Watch • Bring up loyalty cards and membership barcodes with a raise of your wrist

Screenshots

Bubble Level + Measure Kit4 screens
Tag Shark4 screens

Verdict

The call

The clearest difference is price: Bubble Level + Measure Kit at Free against Tag Shark's $3.99. Bubble Level + Measure Kit also leads on iOS requirement (17.0 vs 26.0). Tag Shark's advantage is update cadence (weekly vs every 3 months) and device support (4 vs 2). On ads, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Bubble Level + Measure Kit is free to download; Tag Shark costs $3.99 up front. Bubble Level + Measure Kit sells 1 one-off in-app purchase and Tag Shark sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Bubble Level + Measure Kit ships an update every 3 months, Tag Shark weekly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
Bubble Level + Measure Kit versus Tag Shark: the parameters behind the verdict, then further details
ParameterBubble Level + Measure KitTag Shark
PriceFree — better$3.99
Rating—5.0 (1 ratings) — better
Positive reviews12.5% of reviews—
Number of ratings—1 — better
Update frequencyEvery 3 monthsWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationPaidPaid
DevicesiPhone, iPadiPhone, iPad, Mac, Apple Watch — better
Requires iOS17.0 — better26.0
Further details — not scored
Size3 MB15 MB
Age rating4+4+
DeveloperSensonetSchimera Pty Ltd

Customer experience

Bubble Level + Measure Kit

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

Tag Shark

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Bubble Level + Measure Kit

One-time1
  • Pro$1.99
1 purchases

Tag Shark

One-time1
  • Creative Pro$7.99

Questions

Is Bubble Level + Measure Kit free?
Bubble Level + Measure Kit is free to download, with in-app purchases available.
Is Tag Shark free?
Tag Shark costs $3.99, and also offers in-app purchases.
Do Bubble Level + Measure Kit or Tag Shark have ads?
Neither Bubble Level + Measure Kit nor Tag Shark shows ads.
Which is updated more often, Bubble Level + Measure Kit or Tag Shark?
Bubble Level + Measure Kit ships an update every 3 months, and Tag Shark weekly. Most recently, Bubble Level + Measure Kit was updated on November 1, 2026 and Tag Shark on October 31, 2026.

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