Comparison

HachiCalendar2 Pro vs MonCal

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

Head to head
About

HachiCalendar2 Pro

This app combines calendar, to-do lists, and an AI assistant for seamless organization. Manage events as tasks, utilize AI for scheduling, and keep key dates visible with floating countdown cards. It offers detailed time insights and supports multiple calendar systems.

Highlights
  • Infinite vertical scrolling
  • Events as to-dos
  • Integrated AI assistant
  • Floating countdown cards
  • Time insights & analytics
  • Quick voice input
  • Gregorian/Lunar calendar support
Features
Read full description

Your faithful friend, making life more organized. 15 years, over 1 million users. Contact: hachi.iphone@gmail.com Scroll endlessly through your past and future. Turn events into checkable to-dos. AI helps you create and analyze events naturally. Floating cards keep countdowns and key dates always in view. Hachi Calendar combines Calendar + To-Do + AI Assistant + Floating Date Cards into one powerful, seamless interface. Browse vertically without switching views. Check off events like tasks. Let AI create, complete, and analyze your schedule. Supports Gregorian / Lunar calendars, seasonal terms, and traditional date references to help you plan smarter. ####Key Features Infinite Vertical Scrolling Browse past and future smoothly without switching pages. One-Page Operation Flow View, add, drag, copy, move, and complete — all on one screen. Events as To-Dos Mark events as completed and keep a record of progress. Integrated AI Assistant Create events from natural speech or text; AI parses times, reminders, repeats, and provides summaries, analytics, and free-time suggestions. Floating Countdown Cards Display countdowns, elapsed days, or key dates. Auto-highlights when deadlines approach. Time Insights & Analytics Discover active hours, time usage trends, and weekday/weekend differences. Quick Voice Input Long press to record → real-time transcription → release to create. Countdown indicator before recording ends. Smart Gap & Conflict Detection Detects available slots and prevents overlapping events. Key Dates Always Visible Floating cards + countdowns + quick jumps keep important days front and center. Emojis & Categories Add emojis and tags for quick visual identification. Multiple Reminders Standard alerts, countdown highlights, and completion feedback. Privacy First Local analytics only — no data uploaded. ####Typical Use Cases Say “Review meeting at 3 PM Friday, remind me 10 minutes before” → instantly created. Check off daily study or workout goals. Keep countdowns for exams, trips, or milestones visible. Ask AI for “next week’s free time” to schedule meetings. Review your time structure with automatic visual insights. Track lunar birthdays or seasonal events easily. ####Highlights True one-page vertical scrolling experience Events double as to-dos AI-powered creation, analysis, and scheduling suggestions Floating cards for countdowns & key dates Long-press voice input with dynamic countdown Supports Gregorian / Lunar / Solar Terms / Almanac Time usage insights and rhythm optimization Lightweight, fast, and information-dense ####Perfect For Users who want to manage schedules and tasks in one screen Heavy planners who love AI or quick voice entry Those who follow both modern and traditional calendars Anyone who needs countdowns and visual goal tracking People who want to analyze time usage to optimize their routines

About

MonCal

This app offers a monthly calendar view designed to mimic paper schedules. It synchronizes with your device's standard calendar and allows for detailed event viewing, including launching maps and browsers from event details. Customize fonts, colors, and event display layouts for a personalized experience.

Highlights
  • Monthly calendar view
  • Detailed event view with map/browser links
  • Syncs with standard calendar apps
  • Customizable fonts and colors
  • Event repeat options
  • Alarm and holiday specifications
Features
Read full description

Thanks for visiting MonCal. MonCal is a software dedicated to monitor your schedule on and only on a monthly basis. It was developed to mimic the actual usage of schedule paper notes, with a view of your monthly schedule at a glance. This software is suitable for those: Who writes the plan to manage desk calendar or diary of the month view. Who tried many scheduler but ended up using monthly view only. Registered schedules will be synchronized with your iPhone via standard calendar app. If other calendar apps such as iCloud Calendar and MS Exchange are set to sync with the standard calendar app., they will be reflected as well. The fonts used are relatively small but with the Retina display, you will be able to view both the time and place without a stress. In addition, you can choose the fonts from 7 different size variations for a better view. Your daily schedule will be displayed in a popup by tapping the date. MonCal is designed with minimum number of taps and/or flicks in mind in a simplest manner and is not considered to expand its functions or capabilities. *This is the paid version of MonCalite. In the free version the following functions are different. + Color labeling per event is not support + show Ad banner If you are interested, please try the free version. Functions: + Monthly calendar view + Detailed Event view + Launching the maps from a location text + Launching the browser from a URL in notes + Sync with the standard calendar app. + Create a event from input histories. + Color labeling per event + Naming color labels + Color selection per calendar (Text color also available in black and white) + Event repeat (Yearly, Monthly, Weekly (multiple days can be selected), Bi-Weekly, Daily) + Alarm + Beginning of the week + Specifies holiday + Fonts (4 types, 7 size variations) And bold + Layout of an event display ( 3 types ) + Icon badge + Event copy + Landscape mode + Customizing the viewing colors + And other Customizing... + Supports for URL Scheme ('com.gggatelier.moncal://') + Supports iOS 12 / 13 / 14 / 15 / 16 / 17 / 18 + Supports multitasking(Slide Over & Split View) -------------------------- Feedback, requests are X(Twitter): @ gggatelier mail: gggatelier.apps @ gmail.com

Screenshots

HachiCalendar2 Pro4 screens
MonCal4 screens

Verdict

The call

The clearest difference is in-app purchases: MonCal at none against HachiCalendar2 Pro's 2. MonCal also leads on review sentiment (70% vs 50%) and rating (3.7 vs 3.5). HachiCalendar2 Pro's advantage is update cadence (fortnightly vs every 2 months). On ratings volume, ads, 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

HachiCalendar2 Pro costs $1.99 and MonCal $0.99 up front. HachiCalendar2 Pro sells 2 one-off in-app purchases. MonCal asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

MonCal holds the better App Store score, 3.7 against 3.5. Both are backed by a comparable volume of ratings — 22 and 13 respectively. Written reviews point the same way: 50% of HachiCalendar2 Pro's written reviews are positive against 70% of MonCal's.

UpkeepUpdate frequency

HachiCalendar2 Pro ships an update fortnightly, MonCal every 2 months. The most recent releases landed on October 18, 2026 and October 15, 2026 respectively.

Scorecard6 real differences · 4 level
HachiCalendar2 Pro versus MonCal: the parameters behind the verdict, then further details
ParameterHachiCalendar2 ProMonCal
Price$1.99$0.99 — better
Rating3.5 (22 ratings)3.7 (13 ratings) — better
Positive reviews49.7% of reviews69.6% of reviews — better
Number of ratings22 — better13
Update frequencyFortnightly — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.115.5 — better
Further details — not scored
Size28 MB80 MB
Age rating4+4+
Developer加明 严gggatelier

Customer experience

HachiCalendar2 Pro

All ratings22 ratings
Positive63.6%
Neutral4.5%
Negative31.8%
Written reviews340 reviews
Positive49.7%
Neutral11.2%
Negative39.1%

MonCal

All ratings13 ratings
Positive61.5%
Neutral23.1%
Negative15.4%
Written reviews46 reviews
Positive69.6%
Neutral17.4%
Negative13.0%

In-app purchases

2 purchases

HachiCalendar2 Pro

One-time2
  • New Year Theme Pack$1.99
  • Weather Theme Pack$2.99
None

MonCal

No in-app purchases

Questions

Is HachiCalendar2 Pro free?
HachiCalendar2 Pro costs $1.99, and also offers in-app purchases.
Is MonCal free?
MonCal costs $0.99, with no in-app purchases.
Which has better reviews, HachiCalendar2 Pro or MonCal?
MonCal is rated higher. HachiCalendar2 Pro averages 3.5 out of 5 from 22 ratings, while MonCal averages 3.7 from 13 ratings.
Do HachiCalendar2 Pro or MonCal have ads?
Neither HachiCalendar2 Pro nor MonCal shows ads.
Which is updated more often, HachiCalendar2 Pro or MonCal?
HachiCalendar2 Pro ships an update fortnightly, and MonCal every 2 months. Most recently, HachiCalendar2 Pro was updated on October 18, 2026 and MonCal on October 15, 2026.

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