Comparison

OneKit vs Plumbly

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

Head to head
About

OneKit

Features
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OneKit Smart Toolbox is a smart measurement app transforms your phone into universal digital instrument. If you want to take quick measurements at your house, during work or when you are out this app has necessary tools in one friendly interface. No need for additional gadgets, just launch the app and start measuring right away. The ruler feature helps you to measure length and distance by directly pointing at the screen with very high accuracy. Great for quick verifications, school assignments or home improvement the ruler comes with both metric and imperial units. With the protractor tool angle measurements are swift and easy. All you have to do is position your gadget and it will give you accurate angle measurements within a few seconds. This instrument can be used by students, engineers, architects and anyone else who needs to measure angles or do construction work using an device. Noise meter keeps you updated with real sound level. It hardly matters if you're measuring the noise of the environment, sound exposure at the workplace or just taking a glance around this tool will give you decibel levels and turn your device into a convenient sound measuring gadget. The integrated metronome is a great help musicians and performers as it is tightly tuned to controlling tempos precisely. Input your BPM, select your rhythm and maintain the exact timing for your rehearsals. Speedometer feature can track your running speed in realtime with GPS technology. It's perfect for cycling, running or driving and it shows your speed clearly and accurately. The level tool can be used to check the alignment of the surfaces or the objects in the horizontal as well as vertical directions with great accuracy. Whenever you use it to hang pictures or even making different types of home improvements the digital level will keep everything in perfect balance. Terms and Privacy: Privacy Policy: https://sites.google.com/view/ipprivacy-policy/ Terms of Use: https://sites.google.com/view/iterms/

About

Plumbly

Features
Read full description

Plumbly turns your iPhone into a precise, always-available toolkit — no batteries, no bag, no searching. SPIRIT LEVEL Place your iPhone on any surface: table, shelf, picture frame, or floor. The round 2D bubble shows instantly whether it's level. The linear level handles walls and vertical surfaces. The moment you hit ±0°, a short vibration and sound confirm the measurement — no squinting required. RULER Millimeters and inches, side by side, across the full screen length. Exact PPI values are stored for every current iPhone model, so you measure accurately from the very first use. The Pro upgrade adds a manual calibration offset so you can fine-tune the ruler to your device. ANGLE METER Hold your iPhone against any surface, trim, or slope. The angle is displayed live from 0° to 360°. The freeze button locks the current reading — great for awkward positions where you need to move before you can see the screen. INCLINOMETER (Pro) Slope in degrees and percent — with individual calibration so you can define any surface as your zero reference. Useful on construction sites, for setting up shelving units, or checking roof pitches. The built-in compass shows magnetic heading in real time. PRO FEATURES • Inclinometer with ° and % plus compass • Manual ruler calibration offset Unlock all Pro features with a single purchase — no subscription, no recurring fees. NO ACCOUNT. NO SUBSCRIPTION. Plumbly works without registration, without a cloud connection, and without hidden costs. Buy once, use forever.

Screenshots

OneKit4 screens
Plumbly4 screens

Verdict

The call

OneKit and Plumbly are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. OneKit sells 3 in-app purchases, starting at $2.99 per 7 days and Plumbly sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
OneKit versus Plumbly: the parameters behind the verdict, then further details
ParameterOneKitPlumbly
PriceFreeFree
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.617.0 — better
Further details — not scored
Size5 MB5 MB
Age rating4+4+
DeveloperOlekcii PonomarenkoTobias Huppertz

In-app purchases

3 purchases

OneKit

Subscriptions3
  • Weekly subscription$2.997 Days
  • Monthly subscription$9.991 Month
  • Yearly subscription$49.991 Year
1 purchases

Plumbly

One-time1
  • Plumbly Pro$0.99

Questions

Is OneKit free?
OneKit is free to download, with in-app purchases available.
Is Plumbly free?
Plumbly is free to download, with in-app purchases available.
Do OneKit or Plumbly have ads?
Neither OneKit nor Plumbly shows ads.

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