Comparison

Calculator CIassic vs TrueLevel

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

Head to head
About

Calculator CIassic

A straightforward and user-friendly calculator app designed for quick calculations. It features a display log for tracking calculations, a backspace key for corrections, and supports both decimal points and commas.

Highlights
  • Display log for calculations
  • Backspace key for corrections
  • Decimal point and comma support
  • Easy-to-use interface
  • Suitable for students and professionals
Features
Read full description

The ultimate basic calculator app - simple, easy-to-use, and packed with features to help you get the job done. Our calculator is designed with you in mind, whether you're a student, a professional, or just need to do some quick calculations. We've also included a a display log for your calculation and result, a backspace key for correcting or changing numbers, and support for decimal point or decimal comma Download our calculator app today and see for yourself why it's the must-have tool for anyone who needs to do quick calculations on the go.

About

TrueLevel

Read full description

TrueLevel turns your iPhone into a bubble level, angle finder, protractor, and plumb tool for carpentry, installation, and DIY checks — all with a clean, easy-to-read interface. • BUBBLE LEVEL Place your iPhone on a surface to check whether it is level. The dual-axis bubble responds in real time with live degree readouts. • ANGLE FINDER & PROTRACTOR Use the full 360° protractor display to check an angle. Hold your device against a surface and read the displayed angle for cutting, framing, or slope checks. Lock & Hold keeps a reading visible while you move the phone. • PLUMB MODE Check vertical alignment with a dedicated plumb bob display. Ideal for door frames, posts, fences, and wall installations. • HAPTIC CONFIRMATION Feel a subtle tap when the readout reaches level, so you do not have to stare at the screen. • SAVE & REVIEW READINGS (Pro) Save a reading with a job label, edit it, and revisit your organized measurement history later. Saved records stay on your phone. • DEVICE CALIBRATION Zero TrueLevel against a reference surface with a simple two-step calibration. Results depend on device sensors, placement, case, and calibration. FREE MEASUREMENT TOOLS • Bubble level with real-time dual-axis display • Angle finder with full protractor readout • Plumb mode • Lock & Hold • Haptic confirmation • Device calibration and unit controls TRUELEVEL PRO — CHOOSE YOUR ACCESS • Weekly subscription: eligible new weekly subscribers can try Pro free for 3 days, then the subscription renews weekly at the localized App Store price until canceled • Yearly subscription: billed yearly at the localized App Store price, with no free trial • Lifetime access: a one-time purchase at the localized App Store price, with no trial or renewal Every Pro option unlocks the same saved-work workflow: labeled measurement history, editing, organization, and later reference. Existing lifetime purchasers keep their Pro access. BUILT FOR PROFESSIONALS & DIY TrueLevel is designed for carpenters, contractors, engineers, and anyone who wants a practical clinometer on their phone. No ads, no account, and no internet required for measurements. PRIVACY FIRST TrueLevel collects zero data. No analytics, no tracking, no account required. Your measurements stay on your device. Requires iOS 17.6 or later. Privacy Policy: https://ai-app-generator-sigma.vercel.app/truelevel/privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Calculator CIassic4 screens
TrueLevel4 screens

Verdict

The call

The clearest difference is ads: TrueLevel at none against Calculator CIassic's shown. Calculator CIassic's advantage is update cadence (weekly vs monthly) and device support (3 vs 1). On price and in-app purchases 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. Calculator CIassic sells 1 one-off in-app purchase and TrueLevel sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Calculator CIassic ships an update weekly, TrueLevel monthly. The most recent releases landed on September 14, 2026 and September 27, 2026 respectively.

Scorecard4 real differences · 5 level
Calculator CIassic versus TrueLevel: the parameters behind the verdict, then further details
ParameterCalculator CIassicTrueLevel
PriceFreeFree
Rating4.9 (10 ratings) — better—
Number of ratings10 — better—
Update frequencyWeekly — betterMonthly
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better17.6
Further details — not scored
Size62 MB3 MB
Age rating4+4+
DeveloperEdison LargoDaniil Mukashev

In-app purchases

1 purchases

Calculator CIassic

One-time1
  • Remove Ads$3.99
1 purchases

TrueLevel

One-time1
  • TrueLevel Pro$3.99

Questions

Is Calculator CIassic free?
Calculator CIassic is free to download, with in-app purchases available.
Is TrueLevel free?
TrueLevel is free to download, with in-app purchases available.
Do Calculator CIassic or TrueLevel have ads?
Calculator CIassic shows ads; TrueLevel does not.
Which is updated more often, Calculator CIassic or TrueLevel?
Calculator CIassic ships an update weekly, and TrueLevel monthly. Most recently, Calculator CIassic was updated on September 14, 2026 and TrueLevel on September 27, 2026.

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