Comparison

QuickAgePlus vs Watch across email

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

Head to head
About

QuickAgePlus

Features
Read full description

Calculates and displays your age and the number of days since your birth. Supports both the Japanese era (Wareki) and the Western calendar. Shows the day of the week you were born and how many days you have lived. You can also store the birthdays of important people. Additionally, you can change the reference date to find out, for example, how old you will be on April 1, 2030. [About the Ad Removal Subscription] With QuickAgePlus, you can remove all full-screen ads by purchasing a subscription for ¥100/month or ¥1,000/year. The subscription auto-renews and can be canceled anytime in your Apple ID settings. 利用規約(EULA):https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ プライバシーポリシー:https://vitoyaokatsukatsu.com/privacy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://vitoyaokatsukatsu.com/privacy/

About

Watch across email

Features
Read full description

Watch Across Mail is a location monitoring app that uses GPS to detect when a monitored device enters or leaves predefined areas and sends email notifications. Simply register monitoring areas and start monitoring—no complicated setup required. ■ Features • Notify when the monitored device leaves an area • Notify when the monitored device enters an area • Notify when it returns to its previous state ■ What's New Automatic Start Timer Monitoring can now start automatically at a scheduled time every day. This is especially useful for monitoring family members who live separately, eliminating the need to manually start monitoring each day. Data Set Support Save up to 5 monitoring data sets. For example: • Home • School • Workplace • Hospital • Travel Switch instantly between different monitoring settings with a single tap. ■ Email Notifications Notification emails include the detected location. Tap the map link in the email to open the location immediately in your map application. Because notifications are sent by email, they can be viewed on: • Smartphones • PCs • Tablets The same email can also be shared with multiple family members or caregivers. No additional application is required—simply use your existing email environment. ■ Area & Settings Management • Save up to 5 data sets • Register up to 24 monitoring areas per data set • Quickly switch settings depending on your monitoring purpose ■ Notification Behavior • Receive notifications whenever the monitoring status changes • Optional repeated notifications at intervals (up to every 15 minutes) ■ Free Version Limitations • Maximum of 48 notification emails per month • Repeated notifications are limited ■ Subscription The subscription removes the limitations of the free version and enables continuous notification features. Only one device can perform monitoring at the same time. ■ Typical Use Cases • Monitoring elderly family members • Keeping children safe • Monitoring family members who live separately • Shared monitoring among family members or caregivers • Checking travel and outing status ■ Privacy Location information is used only to determine whether the monitored device enters or leaves registered areas. Location data is not stored externally and is never shared with third parties. ■ Subscription Information Subscriptions renew automatically unless canceled at least 24 hours before the end of the current subscription period. Terms of Use (EULA) https://www.apple.com/legal/internet-services/itunes/jp/terms.html Privacy Policy http://ebcraft.com/WatchAcroos/policy/en/index.html User Guide http://ebcraft.com/WatchAcroos/use/en/index.html

Screenshots

QuickAgePlus1 screens
Watch across email4 screens

Verdict

The call

The clearest difference is ads: Watch across email at none against QuickAgePlus's shown. QuickAgePlus's advantage is update cadence (every 3 days vs weekly). On price, in-app purchases, device support and iOS requirement 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. QuickAgePlus sells 2 in-app purchases, starting at $0.49 per month and Watch across email sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

QuickAgePlus ships an update every 3 days, Watch across email weekly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 4 level
QuickAgePlus versus Watch across email: the parameters behind the verdict, then further details
ParameterQuickAgePlusWatch across email
PriceFreeFree
Update frequencyEvery 3 days — betterWeekly
AdsYesNo — better
In-app purchasesYesYes
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.0 — better15.6
Further details — not scored
Size5 MB28 MB
Age rating4+4+
DeveloperKatsuhiko YaoKiyoshi Tabuchi

In-app purchases

2 purchases

QuickAgePlus

Subscriptions2
  • Remove Ads (Monthly)$0.491 Month
  • Remove Ads (Yearly)$5.991 Year
1 purchases

Watch across email

Subscriptions1
  • Full Access Plan$1.991 Month

Questions

Is QuickAgePlus free?
QuickAgePlus is free to download, with in-app purchases available.
Is Watch across email free?
Watch across email is free to download, with in-app purchases available.
Do QuickAgePlus or Watch across email have ads?
QuickAgePlus shows ads; Watch across email does not.
Which is updated more often, QuickAgePlus or Watch across email?
QuickAgePlus ships an update every 3 days, and Watch across email weekly. Most recently, QuickAgePlus was updated on October 27, 2026 and Watch across email on October 25, 2026.

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