Percent Calculators vs Countdown Log
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Percent Calculators
This utility app helps you quickly and easily calculate various percentage-related math problems. It offers intuitive functions for finding percentages, calculating changes, and applying percentage increases or decreases to numbers.
- Calculate percent of a number
- Calculate percent change
- Determine what percent one number is of another
- Subtract a percentage from a number
- Add a percentage to a number
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The iOS Percent Calculators App was created in response to requests by visitors to the popular https://percent.info website. The goal was to make the app intuitive, clutter free, fast to operate, and easy to use. The app can do the following: 1) Calculate the percent of a number 2) Calculate the percent change from one number to another 3) Calculate what percent a number is of another number 4) Subtract a percent from a number 5) Add a percent to a number We hope the Percent Calculators App will become one of your favorite utility apps.
Countdown Log
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Never lose track of what matters. Countdown Log helps you count down to birthdays, anniversaries, weddings, exams, trips, and any date you care about—no account required. Add an event in seconds, pick a category and color, and see exactly how many days remain. Pin important dates, set yearly repeats, and keep notes—all stored privately on your device. • Home: sorted countdown list with search and filters • Calendar: see all events on a monthly view • Discover: year progress, stats, holidays, and on-this-day history • Date calculator: find the difference between any two dates • Holidays: browse upcoming public holidays • Offline-first: works without network; data stays local • 15 languages built in Perfect for students, couples, families, and anyone who wants a clean, private countdown companion.
Screenshots
Verdict
The clearest difference is update cadence: Countdown Log at every 5 days against Percent Calculators's every 3 weeks. Percent Calculators's advantage is price ($0.99 vs $1.99). On ads, in-app purchases, device support and iOS requirement 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
Percent Calculators costs $0.99 and Countdown Log $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Percent Calculators ships an update every 3 weeks, Countdown Log every 5 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | Percent Calculators | Countdown Log |
|---|---|---|
| Price | $0.99 — better | $1.99 |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 3 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | H Valeur | Xiamen City Fanyou Network Technology Co., Ltd. |
In-app purchases
Percent Calculators
No in-app purchases
Countdown Log
No in-app purchases
Questions
Is Percent Calculators free?
Is Countdown Log free?
Do Percent Calculators or Countdown Log have ads?
Which is updated more often, Percent Calculators or Countdown Log?
Other comparisons
