Comparison

TrueLevel vs TrueLevel Bubble Level

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

Head to head
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/

About

TrueLevel Bubble Level

Features
Read full description

TrueLevel turns your iPhone into a precise pocket spirit level and angle logger. Lay the phone flat on a shelf, a picture frame, a table leg, or a worktop and read how level it is two ways at once: a clear bubble that drifts toward the high side, and exact pitch and roll in degrees to one decimal place. Big monospaced readouts stay readable across the room. It is a straightforward utility tool — for hanging pictures, setting shelves, checking a tripod head, leveling a washing machine or a 3D-printer bed, or just settling an argument about whether the floor really slopes. WHAT YOU GET • 2D bubble level — a bullseye vial that turns green the moment you are within tolerance. • Pitch and roll readouts — single-axis vials and precise degree numbers for each axis. • One-tap zeroing — calibrate against any reference plane and measure relative tilt from it. • Angle log (Pro) — capture a reading, give it a label like "Top shelf", and keep a tidy history. • Adjustable tolerance — choose how close to flat counts as level, from 0.2° to 2.0°. The level, readouts, zeroing and tolerance are free. TrueLevel Pro, a one-time in-app purchase, unlocks saving readings to the angle log and its history. WORKS WITH WHAT YOU HAVE • Any iPhone with the standard motion sensors. PRIVATE BY DESIGN No account. No cloud. No ads, no tracking. Every reading stays on your device. Motion data is read only while the app is open and in front of you. A precise tool that fits in your pocket.

Screenshots

TrueLevel4 screens
TrueLevel Bubble Level2 screens

Verdict

The call

TrueLevel and TrueLevel Bubble Level are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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. TrueLevel sells 1 one-off in-app purchase and TrueLevel Bubble Level sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

TrueLevel ships an update monthly, TrueLevel Bubble Level every 2 months. The most recent releases landed on October 13, 2026 and October 20, 2026 respectively.

ScorecardNo meaningful differences
TrueLevel versus TrueLevel Bubble Level: the parameters behind the verdict, then further details
ParameterTrueLevelTrueLevel Bubble Level
PriceFreeFree
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone
Requires iOS17.6 — better18.0
Further details — not scored
Size3 MB12 MB
Age rating4+4+
DeveloperDaniil MukashevIlia Filiaev

In-app purchases

1 purchases

TrueLevel

One-time1
  • TrueLevel Pro$3.99
1 purchases

TrueLevel Bubble Level

One-time1
  • TrueLevel Pro$4.99

Questions

Is TrueLevel free?
TrueLevel is free to download, with in-app purchases available.
Is TrueLevel Bubble Level free?
TrueLevel Bubble Level is free to download, with in-app purchases available.
Do TrueLevel or TrueLevel Bubble Level have ads?
Neither TrueLevel nor TrueLevel Bubble Level shows ads.
Which is updated more often, TrueLevel or TrueLevel Bubble Level?
TrueLevel ships an update monthly, and TrueLevel Bubble Level every 2 months. Most recently, TrueLevel was updated on October 13, 2026 and TrueLevel Bubble Level on October 20, 2026.

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