Comparison

HachiCalendar2 Pro vs Time cal

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

Time cal

This app offers a versatile stopwatch and timer with advanced calculation features, including frame-based timing. It's designed for professionals in media industries and students, with customizable backgrounds and shake-to-start functionality for simultaneous count-up and countdown.

Highlights
  • Stopwatch and timer functionality
  • Frame-based time calculation
  • Works in background
  • Customizable backgrounds
  • Shake to start/stop
  • Four distinct timing modes
Features
Read full description

Stopwatch & Timer Time Calculator * Works in the background * Large buttons for easy operation * Customizable button backgrounds with your favorite photo * Simultaneous display of current time and counter while calculating * Pressing the "Clear" button twice turns it into "AC (All Clear)" * When using on Mac, you can enter with the number key. Ideal for: Broadcast, music, video, and anime industry professionals.
It includes a frame-based time calculator supporting:
1, 1/10, 1/24, 1/25, 1/30, 1/50, 1/60, 1/100, 1/1000 sec Recommended for:
Directors, ADs, DJs, announcers, voice actors, narrators, mixers, sound producers
...and students aiming for these careers. Also useful for accounting, payroll, and attendance tracking. Shake to Start! * Just shake your iPhone to start count-up and countdown simultaneously * Perfect for giving a cue during live shows or recordings
 → You can track both elapse time and remain time * You can also start by tapping the indicator area * No sound output, suitable for quiet environments 4 Modes Available: Loop : Reset and start every time you shake or touch 0 SW : Repeat restart and stop mode SW : General stopwatch. Add time by restarting after posing LAP : Record lap time and total time If you're a DJ...
Shake it now!!
You'll get what you want. But please...
Don't throw your iPhone!

Screenshots

HachiCalendar2 Pro4 screens
Time cal1 screens

Verdict

The call

The clearest difference is in-app purchases: Time cal at none against HachiCalendar2 Pro's 2. Time cal also leads on review sentiment (67% vs 50%) and update cadence (every 5 days vs fortnightly). On price, ads 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

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

UpkeepUpdate frequency

HachiCalendar2 Pro ships an update fortnightly, Time cal every 5 days. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.

Scorecard5 real differences · 5 level
HachiCalendar2 Pro versus Time cal: the parameters behind the verdict, then further details
ParameterHachiCalendar2 ProTime cal
Price$1.99$1.99
Rating3.5 (22 ratings) — better—
Positive reviews49.7% of reviews66.7% of reviews — better
Number of ratings22 — better—
Update frequencyFortnightlyEvery 5 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.113.0 — better
Further details — not scored
Size28 MB5 MB
Age rating4+4+
Developer加明 严Yukio Oishi

Customer experience

HachiCalendar2 Pro

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

Time cal

Written reviews6 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

2 purchases

HachiCalendar2 Pro

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

Time cal

No in-app purchases

Questions

Is HachiCalendar2 Pro free?
HachiCalendar2 Pro costs $1.99, and also offers in-app purchases.
Is Time cal free?
Time cal costs $1.99, with no in-app purchases.
Do HachiCalendar2 Pro or Time cal have ads?
Neither HachiCalendar2 Pro nor Time cal shows ads.
Which is updated more often, HachiCalendar2 Pro or Time cal?
HachiCalendar2 Pro ships an update fortnightly, and Time cal every 5 days. Most recently, HachiCalendar2 Pro was updated on October 16, 2026 and Time cal on October 8, 2026.

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