Comparison

Smart Meter vs ScreenRuler

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

Head to head
About

Smart Meter

This augmented reality app allows you to measure objects and distances using your device's camera. Simply tap to set start and end points to get accurate measurements in meters or inches. Save your measurements and images for future reference.

Highlights
  • Augmented reality measurement
  • Accurate ruler
  • Save measurements
  • Save measurement images
  • Easy to use interface
  • Measure in meters and inches
Features
Read full description

Ruler app, using the AR technology to help you on your daily needs to measure any object. All what you need to do: - Click start - Follow line - Click stop - Save image of all measurements Features: - Accurate Ruler - Save Measurement - Easy to use - Simple app متر\مسطرة لكل احتياجاتك اليومية , سهل و بسيط كل ما تحتاجه هو تحديد نقطة البداية و النقر على الشاشة حتى تصل الى نقطة النهاية و سيعطيك المسافة بالمتر و الانش المميزات: - استخدام الواقع الافتراضي - قياس بالسانتيميتر - قياس غير محدود Easy and simple app to measure distance between to points

About

ScreenRuler

Features
Read full description

Turn your iPhone into a precise ruler — no physical ruler needed. ScreenRuler uses your device's actual pixel density (PPI) to display accurate centimeter and inch graduations directly on screen. Place any object alongside the ruler and drag two handles to measure it instantly. HOW TO MEASURE 1. Place the object next to the left edge of the screen 2. Drag the top and bottom handles to align with the object's edges 3. Read the live measurement displayed between the handles FEATURES • Accurate ruler based on your iPhone's true screen PPI • cm mode: 1 mm graduations, labeled every 1 cm • inch mode: 1/8 inch subdivisions, labeled every 1 inch • Two drag handles for precise range selection • Live measurement display — updates as you drag • Switch between cm and inch instantly • DPI calibration using a standard credit card (short edge 5.4 cm) for extra precision • Haptic feedback at every 1 cm / 1 inch boundary • Dark and light theme • Works offline — no internet required • Collapsible control panel — stays out of the way CALIBRATION Every iPhone screen has a slightly different physical size. Use the built-in DPI calibration with a standard credit card to fine-tune accuracy to your exact device. Perfect for quick measurements when you don't have a ruler on hand.

Screenshots

Smart Meter2 screens
ScreenRuler3 screens

Verdict

The call

The clearest difference is ads: Smart Meter at none against ScreenRuler's shown. Smart Meter also leads on update cadence (monthly vs every 7 months) and iOS requirement (11.0 vs 15.1). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Smart Meter ships an update monthly, ScreenRuler every 7 months. The most recent releases landed on October 10, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 7 level
Smart Meter versus ScreenRuler: the parameters behind the verdict, then further details
ParameterSmart MeterScreenRuler
PriceFreeFree
Rating3.9 (10 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings10 — better—
Update frequencyMonthly — betterEvery 7 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.1
Further details — not scored
Size14 MB31 MB
Age rating4+4+
DeveloperAhmad Almutairipilyeong heo

In-app purchases

None

Smart Meter

No in-app purchases

None

ScreenRuler

No in-app purchases

Questions

Is Smart Meter free?
Smart Meter is free to download, with no in-app purchases.
Is ScreenRuler free?
ScreenRuler is free to download, with no in-app purchases.
Do Smart Meter or ScreenRuler have ads?
ScreenRuler shows ads; Smart Meter does not.
Which is updated more often, Smart Meter or ScreenRuler?
Smart Meter ships an update monthly, and ScreenRuler every 7 months. Most recently, Smart Meter was updated on October 10, 2026 and ScreenRuler on October 28, 2026.

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