Comparison

RulePad vs Ring Sizer

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

Head to head
About

RulePad

Features
Read full description

RulePad is your all-in-one measurement toolkit. Screen rulers, AR measurement, protractor, and photo measurement — everything you need in one app. RULER • Multiple rulers on a free-form canvas • L-ruler for measuring corners • Metallic silver design with precise tick marks • Full-screen ruler mode with edges on all four sides • Pinch-to-resize protractor for angle measurement • Custom calibration for any device AR MEASURE • Tap to measure distances in the real world • Flexible tape mode — follow curves and edges • Close loop for floor plans with area calculation • Drag to adjust placed points • Screenshot measurements with annotations • Triangle and polygon angle display PHOTO MEASURE • Measure objects in photos • Calibrate with preset reference objects (coins, cards, paper) • Pinch to zoom for precision placement • Track sizes over time HISTORY • All measurements saved automatically • Export to 2D technical drawings Privacy Policy: https://quietbyte.io/privacy-rulepad.html

About

Ring Sizer

Features
Read full description

Ring Sizer is a simple on-screen tool to find your ring size at home. Place a ring on the screen and resize the guide until it matches the inner edge, or measure your finger with the stencil and side slider. Ring Sizer also includes a real centimetre and inch ruler. Get clear US, UK, and EU sizes, save measurements on your device, and calibrate with a bank card for better accuracy. This app uses the standard Apple Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

RulePad4 screens
Ring Sizer4 screens

Verdict

The call

The clearest difference is iOS requirement: Ring Sizer at 15.1 against RulePad's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

Scorecard1 real difference Ā· 5 level
RulePad versus Ring Sizer: the parameters behind the verdict, then further details
ParameterRulePadRing Sizer
PriceFreeFree
Update frequencyEvery 2 weeksEvery 2 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.015.1 — better
Further details — not scored
Size3 MB49 MB
Age rating4+4+
DeveloperJUMING LAIYaroslav Trofimov

In-app purchases

None

RulePad

No in-app purchases

None

Ring Sizer

No in-app purchases

Questions

Is RulePad free?
RulePad is free to download, with no in-app purchases.
Is Ring Sizer free?
Ring Sizer is free to download, with no in-app purchases.
Do RulePad or Ring Sizer have ads?
Neither RulePad nor Ring Sizer shows ads.
Which is updated more often, RulePad or Ring Sizer?
RulePad ships an update every 2 weeks, and Ring Sizer every 2 weeks. Most recently, RulePad was updated on November 9, 2026 and Ring Sizer on November 5, 2026.

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