Comparison

Calendar app *DeepBlack vs Days Till by E

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

Head to head
About

Calendar app *DeepBlack

Organize your schedule with a simple calendar, time, and to-do list. Add tasks and appointments with a touch, and visually distinguish events using customizable color-coding. This app offers a private way to manage your plans without needing to register.

Highlights
  • Daily task and appointment list
  • Color-coded event decoration
  • Customizable schedule creation
  • Private, device-saved plans
  • Simple touch interface
Features
Read full description

Appointment book use as casual note. Organized plan in Calendar and Time and To-do list. Feature Overview Details [touch +] "Task" or "Appointment" added to "daily task list" [touch x] "Task" or "Appointment" deleted from "daily task list" [touch color bar] Calendar decorated by color Providing scheduling solutions in a few touch. Customization Calendar marks up by color that selected suitable for this calendar to define special event days. Appointment book app even not defined holiday according to the ordinary calendar. Can create schedule suite for your lifestyle. Also recommend to people that don't rest Saturday and Sunday. About appointment and task list date No need to register. You're secretly appointment or task list saved your device.

About

Days Till by E

Easily track important upcoming events and past milestones. This app offers multiple modes to count down to or up from any date, with customizable icons and flexible display options. It syncs seamlessly across devices and prioritizes user privacy.

Highlights
  • Countdown to any event
  • Count up from any date
  • Calculate time between dates
  • Customizable event icons
  • Home screen widgets
  • Siri integration
  • iCloud sync
Features
Read full description

How many days until your vacation? When's the wedding? How long since you started that new job? DaysTill is the simple, elegant way to track the moments that matter most. COUNT DOWN TO ANYTHING Create countdowns for birthdays, holidays, vacations, deadlines, anniversaries—any date you're looking forward to. Choose from dozens of icons to make each event uniquely yours. THREE POWERFUL MODES • Till — See exactly how long until your upcoming events • From — Add days to any date to plan ahead • Between — Calculate the time between any two dates ALWAYS AT YOUR FINGERTIPS • Home Screen widgets show your countdowns at a glance • Ask Siri "How many days until my vacation?" • Works with Shortcuts for powerful automations SYNCS EVERYWHERE Your countdowns sync seamlessly across iPhone and iPad with iCloud. Add an event on one device, see it instantly on all the others. FLEXIBLE DISPLAY View your countdowns your way—as relative time, days, weeks, or months. Perfect whether you're tracking a date next week or next year. BUILT FOR PRIVACY Your data stays yours. DaysTill stores everything in your personal iCloud account with no third-party servers. --- Start counting down to what matters. Download DaysTill today.

Screenshots

Calendar app *DeepBlack4 screens
Days Till by E4 screens

Verdict

The call

The clearest difference is rating: Days Till by E at 5.0 against Calendar app *DeepBlack's 4.5. Calendar app *DeepBlack's advantage is iOS requirement (11.0 vs 18.0). On price, ratings volume, 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Days Till by E holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

Calendar app *DeepBlack ships an update every 5 months, Days Till by E every 3 months. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.

Scorecard2 real differences · 7 level
Calendar app *DeepBlack versus Days Till by E: the parameters behind the verdict, then further details
ParameterCalendar app *DeepBlackDays Till by E
PriceFreeFree
Rating4.5 (2 ratings)5.0 (1 ratings) — better
Number of ratings2 — better1
Update frequencyEvery 5 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better18.0
Further details — not scored
Size10 MB4 MB
Age rating17+4+
DeveloperBakerstreet Co., Ltd.E-String Technologies, Inc.

Customer experience

Calendar app *DeepBlack

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Days Till by E

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Calendar app *DeepBlack

No in-app purchases

None

Days Till by E

No in-app purchases

Questions

Is Calendar app *DeepBlack free?
Calendar app *DeepBlack is free to download, with no in-app purchases.
Is Days Till by E free?
Days Till by E is free to download, with no in-app purchases.
Which has better reviews, Calendar app *DeepBlack or Days Till by E?
Days Till by E is rated higher. Calendar app *DeepBlack averages 4.5 out of 5 from 2 ratings, while Days Till by E averages 5.0 from 1 ratings.
Do Calendar app *DeepBlack or Days Till by E have ads?
Neither Calendar app *DeepBlack nor Days Till by E shows ads.
Which is updated more often, Calendar app *DeepBlack or Days Till by E?
Calendar app *DeepBlack ships an update every 5 months, and Days Till by E every 3 months. Most recently, Calendar app *DeepBlack was updated on October 12, 2026 and Days Till by E on October 3, 2026.

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