Comparison

Countdown & Days Since vs Hydrao Eco

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

Head to head
About

Countdown & Days Since

Track upcoming events and look back at past milestones with this intuitive app. It helps you stay connected to important moments, from trips and achievements to anniversaries and celebrations, with customizable widgets for your home screen.

Highlights
  • Event countdowns
  • Milestone tracking
  • Count up for anniversaries
  • Home screen widgets
  • Customizable widgets
  • Notes and categorization
Features
Read full description

Some dates you're waiting for. Some you never want to lose track of. Sincey counts both: the days until your trip, and the days since you met. Add a date and Sincey does the rest. A countdown for what's coming, a count-up for what's already happened, and a widget so you see it every time you pick up your phone. WHAT YOU CAN TRACK • Countdowns: holidays, weddings, due dates, concerts, the last day of school • Count-ups: anniversaries, the day you moved, days sober, days since you started • Birthdays: see whose is next, all in one place • This week, month and year: how much is left, at a glance ON YOUR HOME SCREEN AND LOCK SCREEN Widgets keep your dates in view without opening the app. Start with a free small widget, or unlock medium, large and Lock Screen widgets with your own fonts, colors and photos. SEE HOW FAR YOU'VE COME Progress bars, waffle charts and milestone charts show how much of the wait is behind you. Insights show where your time goes, and your year recap turns it into a card worth sharing. NEVER MISS THE DAY Get a reminder on the morning of. With Premium, choose how many days ahead and at what time. KEEP THE STORY Add notes to any date and sort everything into categories. ONE PURCHASE. NO SUBSCRIPTION. Sincey is free to use. Sincey Premium is a single purchase that unlocks every widget, progress style, theme and insight. It's yours for good, with nothing to renew. Try premium free for 24 hours first. PRIVATE BY DESIGN No account and no sign-up. Your dates stay on your device. Works on iPhone and iPad, in English, French, German and Spanish.

About

Hydrao Eco

This app gamifies water saving by tracking your shower consumption. Set custom thresholds and colors to monitor progress, evaluate savings on water and heating, and manage multiple shower heads.

Highlights
  • Track shower water consumption
  • Gamified water saving
  • Set water thresholds and colors
  • Monitor water and heating savings
  • Manage multiple shower heads
  • Compare performance and progress
Read full description

How much water did you used during your last shower? With Hydrao, saving water becomes a game. Fun and intuitive, this app allows you to track and compare your performance and progress. You may setup water thresholds and colors, monitor water consumption , evaluate how much savings (water and heating) you have made and manage several shower heads from your account.

Screenshots

Countdown & Days Since4 screens
Hydrao Eco4 screens

Verdict

The call

The clearest difference is review sentiment: Countdown & Days Since at 100% against Hydrao Eco's 50%. Hydrao Eco's advantage is in-app purchases (none vs 1) and update cadence (weekly vs every 6 weeks). On price, ads 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. Countdown & Days Since sells 1 one-off in-app purchase. Hydrao Eco asks for nothing beyond the download.

UpkeepUpdate frequency

Countdown & Days Since ships an update every 6 weeks, Hydrao Eco weekly. The most recent releases landed on October 28, 2026 and October 11, 2026 respectively.

Scorecard5 real differences · 5 level
Countdown & Days Since versus Hydrao Eco: the parameters behind the verdict, then further details
ParameterCountdown & Days SinceHydrao Eco
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews — better50.0% of reviews
Number of ratings1 — better—
Update frequencyEvery 6 weeksWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size14 MB28 MB
Age rating4+4+
DeveloperEverminimal Studio, L.L.C.SMART AND BLUE

Customer experience

Countdown & Days Since

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Hydrao Eco

Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

1 purchases

Countdown & Days Since

One-time1
  • Sincey Premium$4.99
None

Hydrao Eco

No in-app purchases

Questions

Is Countdown & Days Since free?
Countdown & Days Since is free to download, with in-app purchases available.
Is Hydrao Eco free?
Hydrao Eco is free to download, with no in-app purchases.
Do Countdown & Days Since or Hydrao Eco have ads?
Neither Countdown & Days Since nor Hydrao Eco shows ads.
Which is updated more often, Countdown & Days Since or Hydrao Eco?
Countdown & Days Since ships an update every 6 weeks, and Hydrao Eco weekly. Most recently, Countdown & Days Since was updated on October 28, 2026 and Hydrao Eco on October 11, 2026.

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