Comparison

Handy Ruler vs SimpleMail by WK

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

Head to head
About

Handy Ruler

This tool uses your device's camera to measure the distance between two points on screen. Simply tap to set start and end points, and get instant results in inches and millimeters.

Highlights
  • Camera-based measurement
  • Measure distance between two points
  • Instant results
  • Displays in inches and millimeters
  • Simple tap interface
Features
Read full description

Handy Ruler is a simple and efficient measurement tool for measuring the distance between two points. Get instant results by selecting the start and end points on the screen. How to Use: 1. Point the camera at the object you want to measure. 2. Wait for the camera to stabilize, and small yellow dots will appear. 3. Select the start point by touching the screen. A green point will mark the start. 4. Select the end point by touching the screen. Another green point will mark the end. 5. The measurement result will display at the top of the screen in both inches and millimeters. We value your feedback and are committed to improving the app. Enjoy measuring with Handy Ruler!

About

SimpleMail by WK

Features
Read full description

SimpleMail is a fast, private email client for iPhone and iPad. Connect any standard IMAP/SMTP account and get real-time new-mail notifications, folders, search, attachments, and compose with signatures. Read messages in light or dark, in English or Korean. Your email data stays on your device. SimpleMail talks directly to your mail server over TLS, and passwords are stored only in the system Keychain. The app displays advertising and requests App Tracking Transparency permission before initializing the advertising SDK. Features - IMAP + SMTP for any standard mail provider - Real-time push via IMAP IDLE - Folders, server-side search - Swipe to delete, junk, mark read/unread, flag - Compose with signatures - View and share attachments - Light / Dark message rendering - English & Korean

Screenshots

Handy Ruler3 screens
SimpleMail by WK4 screens

Verdict

The call

The clearest difference is ads: Handy Ruler at none against SimpleMail by WK's shown. Handy Ruler also leads on iOS requirement (13.1 vs 17.0). SimpleMail by WK's advantage is update cadence (fortnightly vs every 8 months). 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

Handy Ruler ships an update every 8 months, SimpleMail by WK fortnightly. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Handy Ruler versus SimpleMail by WK: the parameters behind the verdict, then further details
ParameterHandy RulerSimpleMail by WK
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 8 monthsFortnightly — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS13.1 — better17.0
Further details — not scored
Size12 MB4 MB
Age rating4+4+
DeveloperSTRENGCON LLCWonkyoung Seo

In-app purchases

None

Handy Ruler

No in-app purchases

None

SimpleMail by WK

No in-app purchases

Questions

Is Handy Ruler free?
Handy Ruler is free to download, with no in-app purchases.
Is SimpleMail by WK free?
SimpleMail by WK is free to download, with no in-app purchases.
Do Handy Ruler or SimpleMail by WK have ads?
SimpleMail by WK shows ads; Handy Ruler does not.
Which is updated more often, Handy Ruler or SimpleMail by WK?
Handy Ruler ships an update every 8 months, and SimpleMail by WK fortnightly. Most recently, Handy Ruler was updated on October 29, 2026 and SimpleMail by WK on October 31, 2026.

Other comparisons