Comparison

Datakeeper vs AcrossTime

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

Head to head
About

Datakeeper

Securely store and share your personal information with organizations. You control who accesses your data, making sharing fast and easy for tasks like renting a car or applying for housing. Your data remains private and is stored only on your device.

Highlights
  • Securely store personal data
  • Share data with organizations
  • User controls data sharing
  • Fast and easy data sharing
  • Data stored only on device
Features
Read full description

Your personal Datakeeper An app that keeps all your personal data safe for you. From your passport to your income. You share your data in the app with organizations at lightning speed. For example when renting a car or applying for a house. Only you decide with whom you share your data. Safe and above all very easy. Keep it safe Securely store your data in your Datakeeper Keep it simple Easily and quickly share your data with organizations. Keep it yours! Only you can access your data. Your data is only stored on your phone and nowhere else.

About

AcrossTime

Easily coordinate meetings across different time zones with a visual, scrollable world clock. Quickly identify overlapping work hours and set cross-time-zone alarms. Ideal for global teams and remote workers.

Highlights
  • Scrollable multi-timezone view
  • 24-hour analog clock
  • Work-hour overlap visualization
  • Home Screen widgets
  • Cross-timezone alarms
  • Customizable workdays
Features
Read full description

AcrossTime helps global teams choose meeting times without doing arithmetic in their heads. One purchase, no subscription. Every city sits on one 24-hour dial, coloured by the hour, so “what time is it there?” is a glance, not a sum. New in 1.1 → Plan: pick a day, see who is at work, asleep or just waking up, and tap a time that works → Add it to your calendar, or send an invite each guest sees in their own time zone → Minutes on the dial: drag the hours around the rim, then sweep the minutes inside it → On iPad and iPhone Duo, your cities sit beside a live dial or timeline, moving together → Browse cities by what time it is there, not only by name At a glance → A 24-hour analog world view for quick, intuitive comparison → Scroll across cities instead of switching screens → A timeline of working and sleeping hours, so meeting windows stand out → Home Screen widgets and an Apple Watch app for fast checks → Cross-time-zone alarms, so the moment does not pass unnoticed Built for real schedules → Set your own workday, and each city's working and sleeping hours → Show minutes when precision matters, including half-hour time zones → Optional high-contrast mode for improved readability → Haptic feedback on every hour and every five minutes Ideal for Remote teams, freelancers, recruiters, nomads, and anyone coordinating across continents. If you schedule across time zones regularly, AcrossTime replaces mental maths with a quick look.

Screenshots

Datakeeper4 screens
AcrossTime4 screens

Verdict

The call

The clearest difference is review sentiment: AcrossTime at 100% against Datakeeper's 0%. AcrossTime also leads on rating (5.0 vs 4.5) and device support (4 vs 2). Datakeeper's advantage is price (Free vs $3.99) and update cadence (every 2 weeks vs every 6 weeks). On ads and in-app purchases 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

Datakeeper is free to download; AcrossTime costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

AcrossTime holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Datakeeper has 16 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of Datakeeper's written reviews are positive against 100% of AcrossTime's.

UpkeepUpdate frequency

Datakeeper ships an update every 2 weeks, AcrossTime every 6 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

Scorecard8 real differences · 2 level
Datakeeper versus AcrossTime: the parameters behind the verdict, then further details
ParameterDatakeeperAcrossTime
PriceFree — better$3.99
Rating4.5 (16 ratings)5.0 (3 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings16 — better3
Update frequencyEvery 2 weeks — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPadiPhone, iPad, Mac, Apple Watch — better
Requires iOS16.4 — better26.0
Further details — not scored
Size71 MB17 MB
Age rating12+4+
DeveloperDatakeeperJuan Behrens

Customer experience

Datakeeper

All ratings16 ratings
Positive87.5%
Neutral0.0%
Negative12.5%
Written reviews3 reviews
Positive0.0%
Neutral33.3%
Negative66.7%

AcrossTime

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Datakeeper

No in-app purchases

None

AcrossTime

No in-app purchases

Questions

Is Datakeeper free?
Datakeeper is free to download, with no in-app purchases.
Is AcrossTime free?
AcrossTime costs $3.99, with no in-app purchases.
Which has better reviews, Datakeeper or AcrossTime?
AcrossTime is rated higher. Datakeeper averages 4.5 out of 5 from 16 ratings, while AcrossTime averages 5.0 from 3 ratings.
Do Datakeeper or AcrossTime have ads?
Neither Datakeeper nor AcrossTime shows ads.
Which is updated more often, Datakeeper or AcrossTime?
Datakeeper ships an update every 2 weeks, and AcrossTime every 6 weeks. Most recently, Datakeeper was updated on October 24, 2026 and AcrossTime on October 28, 2026.

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