Comparison

HachiCalendar2 Pro vs 測量 座標計算

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

測量 座標計算

This app simplifies construction surveying by calculating angles and distances using the reverse traverse method. Input known coordinates and it computes unknown points, eliminating the need for manual scientific calculator work on-site. Elevation calculations are also supported.

Highlights
  • Reverse traverse method calculations
  • Input XY coordinates
  • Calculate contained angle
  • Calculate distance
  • Elevation calculation
Features
Read full description

This application employs the reverse traverse method used in construction. Simply using this application onsite will relieve you from the effort of pointless calculations with a scientific calculator by calculating numbers for you. [Reverse Traverse Method] By inputting the XY coordinates of the instrument and backsight points, then inputting unspecified XY coordinates, the contained angle and distance will be calculated. Elevation can also be calculated.

Screenshots

HachiCalendar2 Pro4 screens
測量 座標計算4 screens

Verdict

The call

The clearest difference is in-app purchases: 測量 座標計算 at none against HachiCalendar2 Pro's 2. 測量 座標計算 also leads on iOS requirement (14.1 vs 16.1). HachiCalendar2 Pro's advantage is review sentiment (50% vs 18%). On price, update cadence, 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 測量 座標計算 $1.99 up front. HachiCalendar2 Pro sells 2 one-off in-app purchases. 測量 座標計算 asks for nothing beyond the download.

UpkeepUpdate frequency

HachiCalendar2 Pro ships an update fortnightly, 測量 座標計算 monthly. The most recent releases landed on September 24, 2026 and September 13, 2026 respectively.

Scorecard4 real differences · 6 level
HachiCalendar2 Pro versus 測量 座標計算: the parameters behind the verdict, then further details
ParameterHachiCalendar2 Pro測量 座標計算
Price$1.99$1.99
Rating3.5 (22 ratings) — better—
Positive reviews49.9% of reviews — better17.6% of reviews
Number of ratings22 — better—
Update frequencyFortnightly — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.114.1 — better
Further details — not scored
Size28 MB6 MB
Age rating4+4+
Developer加明 严youji okamura

Customer experience

HachiCalendar2 Pro

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

測量 座標計算

Written reviews17 reviews
Positive17.6%
Neutral23.5%
Negative58.8%

In-app purchases

2 purchases

HachiCalendar2 Pro

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

測量 座標計算

No in-app purchases

Questions

Is HachiCalendar2 Pro free?
HachiCalendar2 Pro costs $1.99, and also offers in-app purchases.
Is 測量 座標計算 free?
測量 座標計算 costs $1.99, with no in-app purchases.
Do HachiCalendar2 Pro or 測量 座標計算 have ads?
Neither HachiCalendar2 Pro nor 測量 座標計算 shows ads.
Which is updated more often, HachiCalendar2 Pro or 測量 座標計算?
HachiCalendar2 Pro ships an update fortnightly, and 測量 座標計算 monthly. Most recently, HachiCalendar2 Pro was updated on September 24, 2026 and 測量 座標計算 on September 13, 2026.

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