Comparison

DRMemory vs Calendar Clock

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

Head to head
About

DRMemory

This utility app helps you manage your iPhone's storage by identifying and removing duplicate photos, files, and contacts. It provides a clear overview of your memory usage and allows you to review items before deletion, all without uploading your data to the cloud.

Highlights
  • Check iPhone memory usage
  • Visualize folder contents
  • Find duplicate photos
  • Find duplicate files
  • Clean duplicate contacts
  • No cloud uploads
  • No tracking
Read full description

DRMemory helps you free up space on your iPhone — without sending anything to the cloud. Everything happens on your phone. Your photos stay in your library. Your files stay where they are. Your contacts stay yours. What you can do - Check your memory See how your iPhone's memory is doing right now, in a simple live chart. - See what's taking up space Pick a folder and get a colorful map of what's inside. Tap to dig deeper. - Find duplicate photos Catch exact copies and look-alike shots. Review them yourself before deleting anything. - Find duplicate files Spot the same file saved in different places. - Find duplicate contacts Clean up the same person saved twice (or three times) in your address book. Your data stays with you - No cloud uploads - No tracking - No account needed - We don't run a server for your stuff

About

Calendar Clock

This app displays the current year, month, week, and time on a single screen with a clean design. It offers customizable theme colors and functions as a desk clock. The app disables device sleep mode while active.

Highlights
  • All-in-one screen display
  • Year, month, week, day, hour, minute, second
  • Switchable theme colors (dark, light, green, blue)
  • Disables device sleep mode
  • Acts as a desk clock
Features
Read full description

Time and date, beautifully together. Calendar Clock is a simple, elegant time-and-calendar app designed for iPhone and iPad. See the current time and the entire month at a glance, with a clean interface that stays out of your way. Features * Large digital clock — View the current system time clearly and instantly. * 24-hour or 12-hour format — Swipe across the clock to switch between 24-hour and AM/PM formats. * Monthly calendar — See the full month with the current year and month displayed above it. * Swipe through months — Swipe left or right on the calendar to move between months. * Today at a glance — Today's date is highlighted with a red circle. * Weekend highlighting — Saturdays and Sundays are displayed in red. * Multiple themes — Swipe up or down to change the screen theme. * Remembers your preferences — Your selected clock format and theme are preserved. * iPhone & iPad — Designed for both iPhone and iPad. Simple by design No complicated menus. No unnecessary controls. Just the time and the calendar, exactly when you need them. Calendar Clock — See time. See your day. Note that this application disables your device's sleep mode while running, so make sure you have enough battery life. *Important notice: Use the information recoded or functionality provided in / or generated with this application only as a rough indication, rough estimates or as a rough guide. Even though we do our best to provide you with confirmed information and tried-and-tested features, the accuracy and successful operation and performance of the application are NOT GUARANTEED by us. Users are strongly advised to confirm the information of their interest with other sources and not to ultimately rely on functionality and performance of this application. This application is provided “as is” and with all faults. You bear the risk of using it. We shall not be responsible or liable for any loss or damage of any kind incurred as a result of the use of functions or the content of this application. By using this application you are agreeing to these terms. If you do not agree to these terms do not use this application.

Screenshots

DRMemory4 screens
Calendar Clock4 screens

Verdict

The call

The clearest difference is review sentiment: DRMemory at 53% against Calendar Clock's 0%. DRMemory also leads on price (Free vs $0.99) and update cadence (fortnightly vs every 41 months). Calendar Clock's advantage is in-app purchases (none vs 1) and ads (none vs shown). On 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

DRMemory is free to download; Calendar Clock costs $0.99 up front. DRMemory sells 1 one-off in-app purchase. Calendar Clock asks for nothing beyond the download.

UpkeepUpdate frequency

DRMemory ships an update fortnightly, Calendar Clock every 41 months. The most recent releases landed on August 31, 2026 and September 10, 2026 respectively.

Scorecard7 real differences · 3 level
DRMemory versus Calendar Clock: the parameters behind the verdict, then further details
ParameterDRMemoryCalendar Clock
PriceFree — better$0.99
Rating4.0 (1 ratings) — better—
Positive reviews52.9% of reviews — better0.0% of reviews
Number of ratings1 — better—
Update frequencyFortnightly — betterEvery 41 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationAd-supported — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better26.5
Further details — not scored
Size9 MB4 MB
Age rating4+4+
DeveloperTeamHBSystemiko Inc.

Customer experience

DRMemory

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews104 reviews
Positive52.9%
Neutral6.7%
Negative40.4%

Calendar Clock

Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

1 purchases

DRMemory

One-time1
  • Remove Ads Forever$2.99
None

Calendar Clock

No in-app purchases

Questions

Is DRMemory free?
DRMemory is free to download, with in-app purchases available.
Is Calendar Clock free?
Calendar Clock costs $0.99, with no in-app purchases.
Do DRMemory or Calendar Clock have ads?
DRMemory shows ads; Calendar Clock does not.
Which is updated more often, DRMemory or Calendar Clock?
DRMemory ships an update fortnightly, and Calendar Clock every 41 months. Most recently, DRMemory was updated on August 31, 2026 and Calendar Clock on September 10, 2026.

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