Comparison

Pocket,Ruler vs Bubble Level AI

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

Head to head
About

Pocket,Ruler

Features
Read full description

A practical tool for measuring the length of small items Turn your mobile phone into a portable ruler, allowing you to measure small objects at any time. More accurate than ordinary distance meters

About

Bubble Level AI

This app transforms your device into a high-precision measurement tool for levels, surfaces, and angles. It offers real-time sensor data, voice guidance for hands-free operation, and camera integration for easy setup. Advanced features and unlimited history are available via an in-app purchase.

Highlights
  • Multi-mode measurements (Level, Surface, Angle)
  • Live motion sensor data
  • Voice guidance for hands-free use
  • Camera integration for measurement grids
  • Orientation lock and calibration
  • Data export (text, CSV)
  • Offline functionality
Features
Read full description

TrueLevel turns your iPhone into a pocket‑size, high‑precision measurement suite built for engineers, architects, outdoor enthusiasts, and anyone who needs accurate level data on the go. Core Features • Multi‑Mode Measurements – Instantly capture Level, Surface, Angle, and Three‑in‑One readings. • Live Motion Sensors – Real‑time sensor fusion delivers sub‑millimeter stability, even when you’re on the move. • Voice Guidance – Hands‑free operation with clear, customizable voice prompts; perfect for hazardous or hard‑to‑reach environments. • Premium Pro View – Unlock advanced analytics, unlimited history, and export options with a single in‑app purchase. • Camera Integration – Snap a photo of your setup; the app automatically aligns your measurement grid. • Orientation Lock & Calibration – Pin orientation, set a custom zero point, and store calibrated presets for repeatable measurements. • Dark / Light Mode – Seamless UI that adapts to your environment for optimal readability. • Sharing Made Easy – Export results as text, CSV, or share a ready‑to‑send summary directly from the app. Why TrueLevel? - Professional‑grade accuracy without expensive hardware. - Intuitive UI built in SwiftUI for smooth, buttery interactions. - Fully offline – No internet needed once installed. - Privacy‑first – All data stays on‑device unless you choose to share. Perfect For • Surveyors & construction crews • Architects & interior designers • Outdoor adventurers & climbers • DIY hobbyists • Students learning physics or engineering Technical Highlights • SwiftUI + Combine – Modern, reactive UI that feels alive. • Core Motion – High‑frequency sensor polling for crisp data. • StoreKit 2 – Seamless, Apple‑approved in‑app purchases. • Accessibility – VoiceOver, Dynamic Type, and high‑contrast support. Ready to level up? Download TrueLevel today and turn every surface into a precise datum. EULA / Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Pocket,Ruler1 screens
Bubble Level AI4 screens

Verdict

The call

The clearest difference is in-app purchases: Pocket,Ruler at none against Bubble Level AI's 2. Pocket,Ruler also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (16.6 vs 18.0). Bubble Level AI's advantage is 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 AI sells 2 in-app purchases, starting at $0.99 per month. Pocket,Ruler asks for nothing beyond the download.

UpkeepUpdate frequency

Pocket,Ruler ships an update fortnightly, Bubble Level AI every 2 months. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
Pocket,Ruler versus Bubble Level AI: the parameters behind the verdict, then further details
ParameterPocket,RulerBubble Level AI
PriceFreeFree
Rating—5.0 (4 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—4 — better
Update frequencyFortnightly — betterEvery 2 months
AdsYesNo — better
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.6 — better18.0
Further details — not scored
Size6 MB6 MB
Age rating4+4+
Developer旭 王Kirby Salter

In-app purchases

None

Pocket,Ruler

No in-app purchases

2 purchases

Bubble Level AI

Subscriptions1
  • Monthly Premium7 Days trial$0.991 Month
One-time1
  • Lifetime Premium Access$4.99

Questions

Is Pocket,Ruler free?
Pocket,Ruler is free to download, with no in-app purchases.
Is Bubble Level AI free?
Bubble Level AI is free to download, with in-app purchases available.
Do Pocket,Ruler or Bubble Level AI have ads?
Pocket,Ruler shows ads; Bubble Level AI does not.
Which is updated more often, Pocket,Ruler or Bubble Level AI?
Pocket,Ruler ships an update fortnightly, and Bubble Level AI every 2 months. Most recently, Pocket,Ruler was updated on October 6, 2026 and Bubble Level AI on October 24, 2026.

Other comparisons