Comparison

HachiCalendar2 Pro vs LogCalendar

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

LogCalendar

Easily track your daily activities by logging them directly to your iOS Calendar with a single tap. Visualize your time usage with detailed graphs and manage your tasks efficiently.

Highlights
  • One-tap start/end tracking
  • Records to iOS Calendar
  • Color-coded calendars
  • Editable recorded events
  • Customizable task buttons
  • Day/week/month/year graphs
  • Apple Watch support
Features
Read full description

This app track your everyday activities. The Log is recorded to iOS Calendar. It’s very easy because to start the track in one-tap. Application features: - Easy operations for start and end (just one tap) - Record to iOS calendar - Color-coded multiple calendars - Recorded events can be edited - Task buttons can make any number of - Free placement of the task button by long press - Graph (day/week/month/year) - Apple Watch support - Apple Watch can work without iPhone - Support for watch complications Attention: In the default setting of the iPhone, the event synchronization of calendar has become a [Events 1 Month Back]. Check [Settings] > [Mail,Contacts,Calendars] > [Sync] Please change to [All Events] from [Events 1 Month Back]. As an alternative to the diary and time card. Such as a time log of learning and training. This app help you time log and time management. Thank you.

Screenshots

HachiCalendar2 Pro4 screens
LogCalendar4 screens

Verdict

The call

The clearest difference is in-app purchases: LogCalendar at none against HachiCalendar2 Pro's 2. LogCalendar also leads on review sentiment (65% vs 50%) and rating (3.7 vs 3.5). HachiCalendar2 Pro's advantage is update cadence (fortnightly vs every 6 months) and ratings volume (22 vs 3). On ads 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 LogCalendar $0.99 up front. HachiCalendar2 Pro sells 2 one-off in-app purchases. LogCalendar asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

LogCalendar holds the better App Store score, 3.7 against 3.5. That said, the two scores are not equally well evidenced: HachiCalendar2 Pro has 22 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 50% of HachiCalendar2 Pro's written reviews are positive against 65% of LogCalendar's.

UpkeepUpdate frequency

HachiCalendar2 Pro ships an update fortnightly, LogCalendar every 6 months. The most recent releases landed on September 27, 2026 and September 23, 2026 respectively.

Scorecard8 real differences · 2 level
HachiCalendar2 Pro versus LogCalendar: the parameters behind the verdict, then further details
ParameterHachiCalendar2 ProLogCalendar
Price$1.99$0.99 — better
Rating3.5 (22 ratings)3.7 (3 ratings) — better
Positive reviews49.9% of reviews64.9% of reviews — better
Number of ratings22 — better3
Update frequencyFortnightly — betterEvery 6 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPadiPhone, iPad, iPod, Apple Watch — better
Requires iOS16.115.0 — better
Further details — not scored
Size28 MB2 MB
Age rating4+4+
Developer加明 严iLeaf

Customer experience

HachiCalendar2 Pro

All ratings22 ratings
Positive63.6%
Neutral4.5%
Negative31.8%
Written reviews339 reviews
Positive49.9%
Neutral11.2%
Negative38.9%

LogCalendar

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews37 reviews
Positive64.9%
Neutral8.1%
Negative27.0%

In-app purchases

2 purchases

HachiCalendar2 Pro

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

LogCalendar

No in-app purchases

Questions

Is HachiCalendar2 Pro free?
HachiCalendar2 Pro costs $1.99, and also offers in-app purchases.
Is LogCalendar free?
LogCalendar costs $0.99, with no in-app purchases.
Which has better reviews, HachiCalendar2 Pro or LogCalendar?
LogCalendar is rated higher. HachiCalendar2 Pro averages 3.5 out of 5 from 22 ratings, while LogCalendar averages 3.7 from 3 ratings.
Do HachiCalendar2 Pro or LogCalendar have ads?
Neither HachiCalendar2 Pro nor LogCalendar shows ads.
Which is updated more often, HachiCalendar2 Pro or LogCalendar?
HachiCalendar2 Pro ships an update fortnightly, and LogCalendar every 6 months. Most recently, HachiCalendar2 Pro was updated on September 27, 2026 and LogCalendar on September 23, 2026.

Other comparisons