Comparison

Simple Calculator *FLAT calc vs Countdown.

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

Head to head
About

Simple Calculator *FLAT calc

Features
Read full description

Simple and Cute Calculator app. Buttons consist to use daily calculation and large enough to easy to use. 【Function】 - Choice of themes from Six simple Calculator. - The types of calculations are addition, subtraction, multiplication, division, route (square root), decimal point. - Function buttons is Sales tax and discount. - The Sales tax can change rate from settings. 【Key Description】 - AC Buttons - > Clear all - X Buttons - > Erase one. - Tax Buttons - > TAX - Off Buttons - > discount - Gear Buttons - > setting *About tax calc Set up 8 percent at first so You have to change to your state rate.

About

Countdown.

Features
Read full description

【Countdown】Countdown is a high-fidelity, privacy-focused countdown application designed to help you track life's most important moments with precision and beautiful visual styles. **Precise Countdown Tracking** Keep track of every meaningful date and event down to the second. Whether it's a birthday, anniversary, holiday, or personal milestone, Countdown displays the remaining time with clear, accurate detail. **Beautiful Visual Styles** Choose from a variety of carefully crafted visual themes to personalize how your countdowns appear. Each style is designed to present your important dates in an elegant and readable format. **Privacy-Focused Design** Your data stays on your device. Countdown is built with privacy at its core, ensuring that your personal dates and events are never collected or shared with third parties. **Intuitive Organization** Manage multiple countdowns effortlessly. Add, edit, and organize your events in a straightforward interface that lets you see what matters most at a glance. Keep every important moment in sight. Countdown provides a simple, reliable, and visually polished way to stay aware of the dates that matter to you. Premium Account Pricing and Terms $ 4.99/week* $ 39.99/year* *Prices shown are in U.S. dollars; actual charges may be converted to your local currency. Payment will be charged to your iTunes account at confirmation of purchase. Subscriptions automatically renew unless auto-renewal is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period, and the renewal cost will be provided. Subscriptions can be managed by the user. Turning off auto-renewal may be done by going to your account settings after purchase. Cancellation of the current subscription is not allowed during the active subscription period. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://wgpwork.xyz/daoshuri/privacy.html

Screenshots

Simple Calculator *FLAT calc4 screens
Countdown.3 screens

Verdict

The call

The clearest difference is in-app purchases: Simple Calculator *FLAT calc at none against Countdown.'s 2. Simple Calculator *FLAT calc also leads on device support (3 vs 1) and iOS requirement (11.0 vs 16.0). On price, update cadence and ads 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. Countdown. sells 2 in-app purchases, starting at $4.99 per 7 days. Simple Calculator *FLAT calc asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

Scorecard3 real differences · 3 level
Simple Calculator *FLAT calc versus Countdown.: the parameters behind the verdict, then further details
ParameterSimple Calculator *FLAT calcCountdown.
PriceFreeFree
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS11.0 — better16.0
Further details — not scored
Size10 MB4 MB
Age rating17+4+
DeveloperBakerstreet Co., Ltd.LEADVISION MEDIA MANAGEMENT LIMITED

In-app purchases

None

Simple Calculator *FLAT calc

No in-app purchases

2 purchases

Countdown.

Subscriptions2
  • Weekly Prime3 Days trial$4.997 Days
  • Yearly Prime$39.991 Year

Questions

Is Simple Calculator *FLAT calc free?
Simple Calculator *FLAT calc is free to download, with no in-app purchases.
Is Countdown. free?
Countdown. is free to download, with in-app purchases available.
Do Simple Calculator *FLAT calc or Countdown. have ads?
Neither Simple Calculator *FLAT calc nor Countdown. shows ads.
Which is updated more often, Simple Calculator *FLAT calc or Countdown.?
Simple Calculator *FLAT calc ships an update every 2 months, and Countdown. every 2 months. Most recently, Simple Calculator *FLAT calc was updated on October 5, 2026 and Countdown. on October 6, 2026.

Other comparisons