Comparison

Prikan vs GroupTodo

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

Head to head
About

Prikan

Features
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Stop digging through backpack papers. Snap a photo — Prikan reads 3 things for you: dates, amounts, and keywords — and adds them straight to your calendar. All your school handouts and notices, organized in one app. No typing, no tracing. Use the app in your selected language - Choose the display language in Settings - Localize the app interface to the selected language - Select an input language separately Just take a photo and leave the rest to Prikan - Capture handouts cleanly with camera and macro mode - Scan multi-page documents in one go - Automatic OCR turns images into text - Dates, amounts, and keywords are detected automatically Never miss a deadline - Track due dates, event dates, and handout dates together - See everything at a glance on the calendar - Upcoming deadlines appear on the home screen - Reminder notifications help prevent forgotten items Built for the whole family - Assign handouts to each child - Manage siblings' schedules in one place - Find any handout fast with tags and search More handy features - Quick voice input for memos - Capture and save even when offline - Backup and restore keeps your data safe Premium - Ad-free experience - Monthly or yearly plans Privacy policy: https://bynet.co.jp/privacy

About

GroupTodo

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Organize your daily to-dos with ease. Share them with others whenever you need. GroupTodo is a simple to-do app that works well for personal use. You can organize shopping lists, chores, schedules, travel plans, work tasks, and more by group. Start by using it as your own personal to-do list. When you want to share a list with family, friends, or a team, you can share the same group as it is. There’s no need to switch between separate apps for personal and shared tasks. You can add comments and photos to each task, making it easy to keep notes, details, and follow-ups in one place. When using a shared group, quick messages like “Can you buy this?” or “Done” stay right inside the related task. GroupTodo also supports due date reminders and update notifications. Manage what you need to do today, what you don’t want to forget, and what you want to work on with others. Recommended for people who want to: ・Use a simple, easy-to-read to-do app ・Organize shopping, chores, schedules, and work tasks ・Share lists with family or friends when needed ・Keep notes, photos, and conversations for each task ・Manage both personal and shared tasks in one app Main features: ・Organize tasks by group ・Use as a personal to-do list ・Share groups whenever you need ・Add comments and photos to each task ・Unread badges for new comments ・Due date reminders: on the day, the day before, and overdue notifications ・Update notifications for added and completed tasks ・iCloud sync, iPhone and iPad support From personal to-dos to shared planning. Make your tasks smoother with GroupTodo.

Screenshots

Prikan4 screens
GroupTodo4 screens

Verdict

The call

The clearest difference is update cadence: GroupTodo at every 4 days against Prikan's every 3 weeks. Prikan's advantage is iOS requirement (17.6 vs 26.0). On price, ads, in-app purchases and 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

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

UpkeepUpdate frequency

Prikan ships an update every 3 weeks, GroupTodo every 4 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 4 level
Prikan versus GroupTodo: the parameters behind the verdict, then further details
ParameterPrikanGroupTodo
PriceFreeFree
Update frequencyEvery 3 weeksEvery 4 days — better
AdsYesYes
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad — better
Requires iOS17.6 — better26.0
Further details — not scored
Size8 MB12 MB
Age rating4+4+
DeveloperBYNETnanawork

In-app purchases

None

Prikan

No in-app purchases

None

GroupTodo

No in-app purchases

Questions

Is Prikan free?
Prikan is free to download, with no in-app purchases.
Is GroupTodo free?
GroupTodo is free to download, with no in-app purchases.
Do Prikan or GroupTodo have ads?
Both Prikan and GroupTodo show ads.
Which is updated more often, Prikan or GroupTodo?
Prikan ships an update every 3 weeks, and GroupTodo every 4 days. Most recently, Prikan was updated on October 28, 2026 and GroupTodo on October 31, 2026.

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