Comparison

OnefuncPlan vs Reminder Butler

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

Head to head
About

OnefuncPlan

This app helps you gain insights into your daily actions and routines. It offers task management, workload tracking, and stress monitoring, with AI-powered analysis based on Volitional Motion Theory. Share schedules with others and access your data across multiple devices.

Highlights
  • Quick task and idea capture
  • Schedule and task management tools
  • AI-powered workload and stress monitoring
  • Shared schedules with commenting
  • Cross-device data synchronization
  • Optional location for weather
Features
Read full description

OnefuncPlan turns your daily actions into clear, usable insights. You can start using the app instantly—no email required. All calculations and AI processing are performed locally on your device. Key Features Quick Entry Capture tasks and ideas instantly, without breaking your flow. Essential Tools All the core features you need for schedule and task management. AI Support Powered by Volitional Motion Theory (VMT), the app monitors your daily tasks, keeps track of your workload and stress, and helps you notice small changes in your routine. Shared Schedules Share plans with family or colleagues and exchange comments seamlessly. Also available on macOS, Windows, and the web. Data syncs automatically across all your devices. Notes on Permissions This app temporarily uses location to provide weather information. Location is only used to provide weather info and is optional. By default, your general area is determined from your IP address. The app may optionally add birthdays from your contacts. No other contact information is accessed. Paid Features The app offers two subscription plans that unlock additional features and greater convenience. Basic Plan: 1. Full-text search for past events 2. Unlimited number of undated event notes and favorite events 3. Ability to reorder the main menu 4. Remove restrictions on automatic event color settings 5. Unlimited creation of shared spaces (previously limited to 2) 6. Increase the maximum characters for monthly notes from 3,000 to 6,000 7. Ability to copy Masterpiece data 8. Edit event menus (iOS only) 9. Add detailed options for activity measurement methods 10. Full access to "Structure Tags" in Analysis 11. Show "wits" (Will Momentum) on the Main screen Basic Plan is an auto-renewing subscription. Premium Plan: 1. All Basic features available. 2. Scheduled coordination: Member limit increased from 3 to 33 3. Shared Spaces: Max members increased from 2 to 33 4. Shared Spaces: Max follows increased from 2 to 20 4. Status Screen: Simultaneous user display increased from 3 to 20 5. Extended comment retention for shared events (up to 1 year) 6. Masterpiece: Max task image attachments increased from 1 to 3 Premium Plan is an auto-renewing subscription. Subscription Information Paid plans are auto-renewing subscriptions (monthly or yearly). Payment will be charged to your iTunes account. You can manage auto-renewal in your iTunes account settings and turn it off after purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. According to the iTunes Store’s In-App Subscription Terms and Onefunc’s Terms of Service, paid subscriptions are non-refundable, except where required by law. If you purchase a subscription during a free trial, any unused portion of the free trial will be forfeited. Privacy Policy: https://onefunc.com/privacypolicy/ Terms of Service: https://onefunc.com/termsofservice/

About

Reminder Butler

This AI-powered assistant helps you manage your schedule by remembering conversations and sending local notifications for tasks. Easily view all your reminders and personalize your AI butler's appearance and responses to avoid missed appointments.

Highlights
  • AI-powered conversational reminder registration
  • Local notifications for scheduled tasks
  • Easy viewing of all reminders
  • Customizable AI butler avatar
  • Editable AI butler responses
  • Personalized scheduling through chat
Features
Read full description

Your AI butler remembers your conversations and sends you local notifications when it's time for your scheduled tasks. You can easily view all your reminders with just one tap, and customize your butler's avatar and responses to make it more personal. Say goodbye to forgotten appointments and missed deadlines with Reminder Butler! With the Reminder Butler app, you can: • Intuitively register reminders through chat conversations with an AI butler • Registration is easy - just tell the AI butler the date and time of the desired reminder through chat • The AI butler remembers the chat conversations and notifies you with local notifications when the scheduled time arrives • Scheduled reminders communicated to the AI butler can be easily checked with a single phrase • The avatar image of the AI butler can be changed to a preferred photo • Each response from the AI butler within the chat conversation can be freely changed Help: • To register your schedule, send messages such as "Dinner with my wife", "Fitness time", or "Manuscript deadline" • Notifications will be sent on the date and time of the registered schedule • Messages for "Today", "Tomorrow", "Day after tomorrow", "Day of the week (Monday, Tuesday, etc.)", "AM", "PM", "Every day", "Every week", "Every month", "Every year", "Next week", "Next month", "Next year", "Morning", "Afternoon", "Evening", and "Night" are valid. Invalid combinations will not be accepted • The current schedules are displayed with the "Reminder" button in the menu or the messages of "Reminder", "Schedule", "Plan", "List", and "Check" • To change the default "Time of day (Morning, Afternoon, etc.)" or "Start of the week (Sunday, Monday, etc.)", launch the "Settings" screen from the "Settings" button in the menu

Screenshots

OnefuncPlan4 screens
Reminder Butler4 screens

Verdict

The call

The clearest difference is rating: OnefuncPlan at 4.0 against Reminder Butler's 3.0. OnefuncPlan also leads on ads (none vs shown) and ratings volume (3 vs 1). Reminder Butler's advantage is in-app purchases (none vs 14). On price, review sentiment, update cadence 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. OnefuncPlan sells 13 in-app purchases, starting at $2.99 per month. Reminder Butler asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

OnefuncPlan holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews split almost evenly too, at 67% and 67% positive.

UpkeepUpdate frequency

OnefuncPlan ships an update every 4 days, Reminder Butler every 3 days. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

Scorecard5 real differences · 5 level
OnefuncPlan versus Reminder Butler: the parameters behind the verdict, then further details
ParameterOnefuncPlanReminder Butler
PriceFreeFree
Rating4.0 (3 ratings) — better3.0 (1 ratings)
Positive reviews66.7% of reviews66.7% of reviews
Number of ratings3 — better1
Update frequencyEvery 4 daysEvery 3 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFreemiumAd-supported — better
DevicesiPhone, iPodiPhone, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size35 MB27 MB
Age rating17+4+
DeveloperMasaru KondoYoshinori Tsuchiya

Customer experience

OnefuncPlan

All ratings3 ratings
Positive66.7%
Neutral33.3%
Negative0.0%
Written reviews48 reviews
Positive66.7%
Neutral4.2%
Negative29.2%

Reminder Butler

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

13 purchases

OnefuncPlan

Subscriptions10
  • Basic(1 month)$2.991 Month
  • Pro (1 month)$2.991 Month
  • 3 mons. & special free trial7 Days trial$8.493 Months
Show 7 more
  • Premium (1 month)$9.991 Month
  • Premium (3 months)$13.993 Months
  • Premium (6 months)$25.996 Months
  • Basic(1 year)$29.991 Year
  • Pro (1 year)$29.991 Year
  • Premium (1 year) + α$46.991 Year
  • Premium (1 year)$99.991 Year
One-time3
  • OnetimePremium$0.99
  • Premium service (one month)2 variants$4.99
  • Onefunc Plan Advance$15.99
None

Reminder Butler

No in-app purchases

Questions

Is OnefuncPlan free?
OnefuncPlan is free to download, with in-app purchases available.
Is Reminder Butler free?
Reminder Butler is free to download, with no in-app purchases.
Which has better reviews, OnefuncPlan or Reminder Butler?
OnefuncPlan is rated higher. OnefuncPlan averages 4.0 out of 5 from 3 ratings, while Reminder Butler averages 3.0 from 1 ratings.
Do OnefuncPlan or Reminder Butler have ads?
Reminder Butler shows ads; OnefuncPlan does not.
Which is updated more often, OnefuncPlan or Reminder Butler?
OnefuncPlan ships an update every 4 days, and Reminder Butler every 3 days. Most recently, OnefuncPlan was updated on October 13, 2026 and Reminder Butler on October 15, 2026.

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