Comparison

EWINBOX vs Ring Sizer

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

Head to head
About

EWINBOX

Features
Read full description

[Product Introduction] This software is a software that can change the display content of the mobile phone case at any time to achieve personalized DIY. Through the mobile phone NFC, you can directly transfer your favorite photos or text to the ink screen of the mobile phone case for long-lasting display. [Functional Features] We will keep up with the trend and constantly update the theme content of each category. You can modify the theme according to your preferences or DIY the theme by yourself. The software provides a large number of available materials to help you create a unique personalized display screen.

About

Ring Sizer

Read full description

RingSizer: Find Your Perfect Ring Size Instantly! With our ringfitter tool finding the right ring size has never been easier! With RingSizer, you can quickly measure your finger and convert ring sizes across different countries in just a few taps. Whether you're shopping for yourself or buying a gift, our app ensures you get the perfect fit every time. Features: Accurate Ring Measurement: Easily measure your ring size using your phone and get precise results. Country Size Conversion: Instantly convert ring sizes between US, UK, EU, Japan, and more! Simple & Intuitive: Designed for ease of use, making it ideal for anyone looking to buy rings online or in stores. Works Offline: No internet? No problem! Use RingSizer anywhere, anytime. Why Choose RingSizer? Avoid costly returns and resizing fees. Perfect for buying rings for yourself or loved ones across the globe. Download RingSizer - Your Ring size! now and make sure every ring fits just right! A premium subscription is required to unlock all the features of the app. The subscription payments will be charged to the App Store account upon purchase confirmation. Subscriptions automatically renew and will be charged unless auto-renewal is turned off at least 24 hours before the end of the free trial period. Any unused portion of the free trial period will be forfeited upon purchasing a premium subscription during the free trial. The renewal cost depends on the chosen subscription plan. Term Of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

EWINBOX4 screens
Ring Sizer4 screens

Verdict

The call

The clearest difference is in-app purchases: EWINBOX at none against Ring Sizer's 6. Ring Sizer's advantage is update cadence (every 4 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Ring Sizer sells 6 in-app purchases, starting at $2.99 per 7 days. EWINBOX asks for nothing beyond the download.

UpkeepUpdate frequency

EWINBOX ships an update every 2 months, Ring Sizer every 4 days. The most recent releases landed on September 9, 2026 and August 20, 2026 respectively.

Scorecard2 real differences ยท 4 level
EWINBOX versus Ring Sizer: the parameters behind the verdict, then further details
ParameterEWINBOXRing Sizer
PriceFreeFree
Update frequencyEvery 2 monthsEvery 4 days โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.0 โ€” better13.4
Further details โ€” not scored
Size223 MB46 MB
Age rating4+4+
DeveloperBOE Yiyun Technology Co., Ltd.Fabrizio Beccaceci

In-app purchases

None

EWINBOX

No in-app purchases

6 purchases

Ring Sizer

Subscriptions4
  • Ring Sizer Pro3 Days trial$2.997 Days
  • Ring Sizer Pro$5.991 Month
  • Ring Sizer Pro$6.991 Month
Show 1 more
  • Ring Sizer Pro$29.991 Year
One-time2
  • RingSizer Lifetime$14.99
  • RingSizer Lifetime$39.99

Questions

Is EWINBOX free?
EWINBOX is free to download, with no in-app purchases.
Is Ring Sizer free?
Ring Sizer is free to download, with in-app purchases available.
Do EWINBOX or Ring Sizer have ads?
Neither EWINBOX nor Ring Sizer shows ads.
Which is updated more often, EWINBOX or Ring Sizer?
EWINBOX ships an update every 2 months, and Ring Sizer every 4 days. Most recently, EWINBOX was updated on September 9, 2026 and Ring Sizer on August 20, 2026.

Other comparisons