Calculator CIassic vs TrueLevel
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Display log for calculations
- Backspace key for corrections
- Decimal point and comma support
- Easy-to-use interface
- Suitable for students and professionals
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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.
TrueLevel
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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
Verdict
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
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.
Calculator CIassic ships an update weekly, TrueLevel monthly. The most recent releases landed on September 14, 2026 and September 27, 2026 respectively.
| Parameter | Calculator CIassic | TrueLevel |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (10 ratings) — better | — |
| Number of ratings | 10 — better | — |
| Update frequency | Weekly — better | Monthly |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 62 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Edison Largo | Daniil Mukashev |
In-app purchases
Calculator CIassic
- Remove Ads$3.99
TrueLevel
- TrueLevel Pro$3.99
Questions
Is Calculator CIassic free?
Is TrueLevel free?
Do Calculator CIassic or TrueLevel have ads?
Which is updated more often, Calculator CIassic or TrueLevel?
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