Comparison

Ring Sizer Pro vs LookLockdown

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

Head to head
About

Ring Sizer Pro

Easily determine your jewelry ring size with this accurate tool. It offers multiple measurement units, visual guides, and supports numerous international sizing systems. Share your findings effortlessly.

Highlights
  • Metric and imperial units
  • Diameter or circumference measurement
  • Visual guides for precision
  • Shareable results
  • Multiple international sizing systems
  • Wide size range support
Features
Read full description

Simple and easy to use, but powerfull and accurate tool to quickly find the size of your jewelry ring. With this app you can: - choose between metric and imperial units - choose diameter or circumference - use unique visual guides for precise measuring - easily share your ring size through email and social networks - use up to seven different ring size measure systems, including USA, Canada, Australia, Great Britain, Europe, Italy, Spain, Germany, Russia, Japan, China, India, Hong Kong and Brazil. Ring sizer pro supports a very wide diapason of the possible sizes. From 0000 to 16 in USA size system. Some of the countries share the same measure system. For example USA system is also used in Canada and Mexico. If you don't find you country in the preferences try to find which country use the same system. If you find any mistakes in the measure in you country please send me a letter and I will fix issue in the next app update. Thank you!

About

LookLockdown

Features
Read full description

LookLockdown – Smart Family Control Create a healthier, safer, and more organized digital life for your family. LookLockdown is a simple parental control and digital wellbeing tool designed for families. It helps parents guide children’s device use, manage screen time, and set scheduled app access rules for study, rest, bedtime, and focus periods. Key Features: • Screen Time Limits: Set daily usage limits to help children build healthier digital habits. • Scheduled App Access: Set start and end times for selected apps during study time, bedtime, or family time. • Custom Schedules: Create flexible routines for school, breaks, sleep, and focused periods. • Focus Scenes: Save common rule sets and switch between them with one tap. • Usage Reports: Review activity insights to better understand digital habits. LookLockdown uses Apple’s Screen Time and Family Controls frameworks to provide user-controlled, scheduled restrictions. App selections are made through Apple’s system picker, and access rules are temporary and automatically end when the scheduled period ends. LookLockdown focuses on a gentle, practical approach to family digital management, with a warm and minimal interface that makes everyday routines easier to maintain. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://rickyesppg.github.io/looklockdownprivacy/

Screenshots

Ring Sizer Pro4 screens
LookLockdown3 screens

Verdict

The call

The clearest difference is price: LookLockdown at Free against Ring Sizer Pro's $1.99. LookLockdown also leads on update cadence (monthly vs every 4 months). Ring Sizer Pro's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 17.0). On ads 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

LookLockdown is free to download; Ring Sizer Pro costs $1.99 up front. LookLockdown sells 2 in-app purchases, starting at $0.99 per month. Ring Sizer Pro asks for nothing beyond the download.

UpkeepUpdate frequency

Ring Sizer Pro ships an update every 4 months, LookLockdown monthly. The most recent releases landed on September 21, 2026 and September 19, 2026 respectively.

Scorecard4 real differences · 6 level
Ring Sizer Pro versus LookLockdown: the parameters behind the verdict, then further details
ParameterRing Sizer ProLookLockdown
Price$1.99Free — better
Rating2.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 4 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPod, Apple Watch — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size2 MB6 MB
Age rating4+4+
DeveloperMike Melnikov昊 陆

In-app purchases

None

Ring Sizer Pro

No in-app purchases

2 purchases

LookLockdown

Subscriptions1
  • Monthly$0.991 Month
One-time1
  • Lifetime$4.99

Questions

Is Ring Sizer Pro free?
Ring Sizer Pro costs $1.99, with no in-app purchases.
Is LookLockdown free?
LookLockdown is free to download, with in-app purchases available.
Do Ring Sizer Pro or LookLockdown have ads?
Neither Ring Sizer Pro nor LookLockdown shows ads.
Which is updated more often, Ring Sizer Pro or LookLockdown?
Ring Sizer Pro ships an update every 4 months, and LookLockdown monthly. Most recently, Ring Sizer Pro was updated on September 21, 2026 and LookLockdown on September 19, 2026.

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