Comparison

Blood Type Calculator vs ToneTime

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

Head to head
About

Blood Type Calculator

Features
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Blood Type Calculator. Do you need a quick and easy to use blood type calculator to see what your baby blood group can be? No problem, here it is. Simply enter mother and father's blood type to get the result in no time: Four possible blood groups: A B AB 0 Each of these groups is either Rh positive or Rh negative. Blood Donor Calculator Included. No fuss calculator. Does what it says on the tin.

About

ToneTime

Features
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Forget to take breaks while studying, working, or using a screen? ToneTime reminds you to pause at your own pace, with a weekly schedule that fits your day. No account. No ads. YOUR OWN RHYTHM • Start with 20 minutes of screen time and a 20-second break, or choose your own durations • Timers follow elapsed time, even while your screen is locked or you use another app • Pause, continue, or take a break early A SCHEDULE THAT FITS • Choose start and end times and days of the week • A new cycle starts at the scheduled start time; timers and reminders stop at the end time • Choose reminder sounds and manage sound, in-app haptics, and break-end notifications separately SIMPLE AND PRIVATE • Designed for iPhone and iPad • English and Simplified Chinese • No account, advertising, or third-party analytics SDK • Settings, your current cycle, and review-prompt frequency records stay on your device • Does not read, display, or upload app names, browsing history, or screen content Screen Time permission is required to maintain daily schedules and ongoing reminders outside the app. Notifications must be enabled to receive reminders. Sounds depend on iOS silent mode, Focus, and notification settings. ToneTime schedules breaks using elapsed time. It does not measure how long you actually look at a screen or block other apps. ToneTime helps you build a daily break habit. It does not provide medical diagnosis, treatment, or professional health advice.

Screenshots

Blood Type Calculator4 screens
ToneTime4 screens

Verdict

The call

The clearest difference is iOS requirement: Blood Type Calculator at 12.1 against ToneTime's 16.0. On price, update cadence, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Blood Type Calculator ships an update every 6 days, ToneTime every 4 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 5 level
Blood Type Calculator versus ToneTime: the parameters behind the verdict, then further details
ParameterBlood Type CalculatorToneTime
PriceFreeFree
Update frequencyEvery 6 daysEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.1 — better16.0
Further details — not scored
Size14 MB5 MB
Age rating4+4+
DeveloperKrzysztof Gwiazda光旭 赵

In-app purchases

None

Blood Type Calculator

No in-app purchases

None

ToneTime

No in-app purchases

Questions

Is Blood Type Calculator free?
Blood Type Calculator is free to download, with no in-app purchases.
Is ToneTime free?
ToneTime is free to download, with no in-app purchases.
Do Blood Type Calculator or ToneTime have ads?
Neither Blood Type Calculator nor ToneTime shows ads.
Which is updated more often, Blood Type Calculator or ToneTime?
Blood Type Calculator ships an update every 6 days, and ToneTime every 4 days. Most recently, Blood Type Calculator was updated on November 3, 2026 and ToneTime on October 31, 2026.

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