Comparison

FB Calendar vs Monotter

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

Head to head
About

FB Calendar

Easily share your free days without revealing your full schedule. Select your availability and send a calendar image via SNS. Ideal for those who want to share schedules privately and quickly.

Highlights
  • Share free days only
  • Send calendar image via SNS
  • Select day's state
  • Privacy-focused schedule sharing
  • Icon customization (Premium)
  • Passcode protection (Premium)
Features
Read full description

When is free? This app is for answering such questions. Have you ever wondered, "Ah, I don’t want others to see this schedule ..." when trying to send a screenshot of schedule? In Free/Busy Calendar, in order to solve such trouble, we implemented only the function to share the free/busy day simply! If you tap the day, you can choose the day's state. You can also send a calendar image with SNS! It is recommended for such a person! ・ I want to share my schedule, but I don’t want others to see my schedule ・ It is difficult to write out free days ・ I want to share my schedule easily and quickly ■■■ About Premium Plan ■■■ The standard plan has the following restrictions. Number of icons that can be used Advertisement Passcode ■ About automatic renewal billing You can stop the automatic renewal at least 24 hours before the end of the registration period. The automatic renewal procedure will be carried out from 24 hours before the registration period to the end of the period. ■ Confirmation and cancellation App Store App-> User Icon at the top right of the ToDay tab-> Subscription Here you can check the cancellation of automatic renewal, settings, and renewal date. ■ Caution ・ You cannot cancel the automatic renewal of the premium plan from within the app. ・ Your iTunes account will be charged. ・ We do not accept cancellations for the current month. ■ Terms of Use / Privacy Policy We do not provide any personally identifiable information to third parties. We pay close attention to the management of personal information and handle it as follows. ・ When supporting Support emails do not send any personally identifiable information. ・ Detailed link https://note.com/kojiro79/n/n7c8899db1c9b ■ Disclaimer We provide as much support as possible for problems and inconveniences in use, but the developer is not responsible for any damage caused by the user through this application.

About

Monotter

This private life-logging app allows you to record brief, diary-like texts that are never shared online. Your entries form a personal timeline, with features like search, location tracking, and status prefixes to organize your thoughts and activities.

Highlights
  • Private life-logging
  • Timeline view of entries
  • Powerful search by hashtag, place, rating
  • Automatic location tracking
  • Status prefixes for tasks
  • Calendar export for events
  • Todo management with checkboxes
Features
Read full description

Monotter is a private life-logging app that lets you jot down and store brief, diary-like texts—never shared online. Your accumulated notes form a Timeline, and each individual note is called an Entry. Keep your thoughts and activities securely recorded for personal reflection. • Powerful Search: Filter entries by hashtag, place, or rating • Location Tracking: Automatically record where you make an entry and name places to auto-label future entries at the same location • Status Prefixes: Prepend /start, /end, /todo, or /done to mark “start”, “end”, “todo”, or “done” states • Calendar Export: Export paired /start–end entries as events to iOS Calendar • Todo Management: Display a checkbox on to-do entries—tap to mark as done • Rating System: Tap to rate entries and sort your timeline by date or rating Features: • Apple Watch Support: Add entries from your watch and launch via a complication • Siri Shortcuts: Automate entries with voice, NFC tags, or time-based triggers • Widget: Show your latest or highest-rated entry on the home screen Unlock the 1,000-entry limit with an in-app purchase.

Screenshots

FB Calendar1 screens
Monotter4 screens

Verdict

The call

The clearest difference is price: FB Calendar at Free against Monotter's $1.99. FB Calendar also leads on rating (5.0 vs 3.3) and review sentiment (100% vs 67%). Monotter's advantage is ads (none vs shown) and ratings volume (3 vs 1). On in-app purchases, monetization model 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

FB Calendar is free to download; Monotter costs $1.99 up front. FB Calendar sells 1 in-app purchase, starting at $1.49 per month and Monotter sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

FB Calendar holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 100% of FB Calendar's written reviews are positive against 67% of Monotter's.

UpkeepUpdate frequency

FB Calendar ships an update weekly, Monotter every 2 months. Both last shipped on November 3, 2026.

Scorecard7 real differences · 3 level
FB Calendar versus Monotter: the parameters behind the verdict, then further details
ParameterFB CalendarMonotter
PriceFree — better$1.99
Rating5.0 (1 ratings) — better3.3 (3 ratings)
Positive reviews100.0% of reviews — better66.7% of reviews
Number of ratings13 — better
Update frequencyWeekly — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, Apple Watch
Requires iOS14.0 — better18.0
Further details — not scored
Size54 MB18 MB
Age rating4+4+
Developeryasuhiro kojimaSmallmake

Customer experience

FB Calendar

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Monotter

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

1 purchases

FB Calendar

Subscriptions1
  • Premium plan1 Month trial$1.491 Month
1 purchases

Monotter

One-time1
  • Monotter Unlock$1.99

Questions

Is FB Calendar free?
FB Calendar is free to download, with in-app purchases available.
Is Monotter free?
Monotter costs $1.99, and also offers in-app purchases.
Which has better reviews, FB Calendar or Monotter?
FB Calendar is rated higher. FB Calendar averages 5.0 out of 5 from 1 ratings, while Monotter averages 3.3 from 3 ratings.
Do FB Calendar or Monotter have ads?
FB Calendar shows ads; Monotter does not.
Which is updated more often, FB Calendar or Monotter?
FB Calendar ships an update weekly, and Monotter every 2 months. Most recently, FB Calendar was updated on November 3, 2026 and Monotter on November 3, 2026.

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