Comparison

P.M.M.D Calculator vs Visual Timer

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

Head to head
About

P.M.M.D Calculator

Features
Read full description

P.M.M.D Calculator makes division, multiplication, addition and subtraction steps quickly and easily. Easy to understand. Perfect for teachers, students, or anyone who wants to learn or prepare math exercises. Features: • Clean, easy-to-use interface. • Instant calculation results. • Copy answers into other apps. • Save results as an image directly to your camera roll. • Customize font type, text color, and background color. • Option to show or hide calculation steps [Plus/Minus]. • Option to show or hide the remainder [Division]. • Option to show or hide the plus sign in calculations [Multiplication]. This app is great for: Teachers & Educators – Create math materials and examples instantly Students – Practice and understand plus/minus/multiplication/division operations step by step Parents – Quickly check kids’ homework with ease Make learning and teaching math simpler with P.M.M.D Calculator. Simplify math practice and make division, multiplication, addition and subtraction easier with P.M.M.D Calculator. Thanks for your support! Visit nitrio.com for more great apps for your iOS devices.

About

Visual Timer

This utility app provides a visual countdown timer using a colored circle, making it easy to see remaining time at a glance. It's ideal for focused work sessions, managing children's activities, and everyday timekeeping tasks.

Highlights
  • Visual countdown with colored circle
  • Quick keypad time entry
  • Customizable colors and display
  • Clockwise or counterclockwise options
  • Adjustable end sound
  • No account required
Features
Read full description

A simple visual timer that shows remaining time as a colored circle, so “how much is left” is easy to grasp at a glance. Useful for study, work, and everyday time management with kids. Features: • Enter minutes on a keypad and start right away • See remaining time as a colored area on an analog-style dial • Customize colors for the timer fill, center, hand, and notches • Show or hide numbers and notches • Switch clockwise or counterclockwise • Turn the end sound on or off Great for: • Focused study or work sessions, including Pomodoro-style intervals • Helping children understand passing time through color • A quick visual timer for kitchen or daily tasks Open the app, set the minutes, and start—no account needed.

Screenshots

P.M.M.D Calculator4 screens
Visual Timer3 screens

Verdict

The call

The clearest difference is price: Visual Timer at Free against P.M.M.D Calculator's $3.99. Visual Timer also leads on update cadence (every 4 months vs every 22 months). P.M.M.D Calculator's advantage is iOS requirement (13 vs 26.0). On ads, 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

Visual Timer is free to download; P.M.M.D Calculator costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

P.M.M.D Calculator ships an update every 22 months, Visual Timer every 4 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
P.M.M.D Calculator versus Visual Timer: the parameters behind the verdict, then further details
ParameterP.M.M.D CalculatorVisual Timer
Price$3.99Free — better
Rating—4.2 (6 ratings) — better
Positive reviews—50.0% of reviews
Number of ratings—6 — better
Update frequencyEvery 22 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13 — better26.0
Further details — not scored
Size1 MB1 MB
Age rating4+4+
DeveloperHeng Jia Liangkohei yamane

In-app purchases

None

P.M.M.D Calculator

No in-app purchases

None

Visual Timer

No in-app purchases

Questions

Is P.M.M.D Calculator free?
P.M.M.D Calculator costs $3.99, with no in-app purchases.
Is Visual Timer free?
Visual Timer is free to download, with no in-app purchases.
Do P.M.M.D Calculator or Visual Timer have ads?
Neither P.M.M.D Calculator nor Visual Timer shows ads.
Which is updated more often, P.M.M.D Calculator or Visual Timer?
P.M.M.D Calculator ships an update every 22 months, and Visual Timer every 4 months. Most recently, P.M.M.D Calculator was updated on October 27, 2026 and Visual Timer on October 24, 2026.

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