Comparison

IDT Data Logger vs Bubble Level

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

Head to head
About

IDT Data Logger

Manually record data points using user-defined labels and NFC tags. Capture tag information like number and description alongside your collected data. Share your recorded information across devices via AirDrop.

Highlights
  • Manual data recording
  • User-defined labels
  • NFC tag integration
  • Capture tag number and description
  • Data sharing via AirDrop
Features
Read full description

This application lets you manually record data points under a series of labels. Labels are user-defined series of numbers or physical locations identified by NFC tags. If NFC tags are used, this application enables the reading of the tag content, for instance tag number and description, and record this information against the data points you collect. Recorded data can be uploaded in AirDrop or shared across devices.

About

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.

Highlights
  • 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
Features
Read full description

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

Screenshots

IDT Data Logger1 screens
Bubble Level3 screens

Verdict

The call

The clearest difference is rating: Bubble Level at 4.8 against IDT Data Logger's 4.0. Bubble Level also leads on update cadence (every 2 weeks vs every 11 months) and ratings volume (60 vs 1). IDT Data Logger's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Bubble Level sells 3 in-app purchases, starting at $1.99 per 7 days. IDT Data Logger asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Bubble Level holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Bubble Level has 60 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

IDT Data Logger ships an update every 11 months, Bubble Level every 2 weeks. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.

Scorecard7 real differences · 3 level
IDT Data Logger versus Bubble Level: the parameters behind the verdict, then further details
ParameterIDT Data LoggerBubble Level
PriceFreeFree
Rating4.0 (1 ratings)4.8 (60 ratings) — better
Positive reviews—75.0% of reviews
Number of ratings160 — better
Update frequencyEvery 11 monthsEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better15.0
Further details — not scored
Size8 MB16 MB
Age rating4+4+
DeveloperInstruments & Data Tools Pty LtdAndy Sutanto

Customer experience

IDT Data Logger

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

Bubble Level

All ratings60 ratings
Positive93.3%
Neutral6.7%
Negative0.0%
Written reviews8 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

In-app purchases

None

IDT Data Logger

No in-app purchases

3 purchases

Bubble Level

Subscriptions2
  • Bubble Level Pro$1.997 Days
  • Spirit Level Pro$19.991 Year
One-time1
  • Waterpas Pro - Waterpass$39.99

Questions

Is IDT Data Logger free?
IDT Data Logger is free to download, with no in-app purchases.
Is Bubble Level free?
Bubble Level is free to download, with in-app purchases available.
Which has better reviews, IDT Data Logger or Bubble Level?
Bubble Level is rated higher. IDT Data Logger averages 4.0 out of 5 from 1 ratings, while Bubble Level averages 4.8 from 60 ratings.
Do IDT Data Logger or Bubble Level have ads?
Bubble Level shows ads; IDT Data Logger does not.
Which is updated more often, IDT Data Logger or Bubble Level?
IDT Data Logger ships an update every 11 months, and Bubble Level every 2 weeks. Most recently, IDT Data Logger was updated on October 11, 2026 and Bubble Level on October 24, 2026.

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