Comparison

HachiCalendar2 Pro vs System Status

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

System Status

Monitor your device's system performance in real-time. View detailed information on memory, CPU, battery, disk usage, and network activity. Visualize data with graphs and export reports.

Highlights
  • Real-time system monitoring
  • Detailed memory, CPU, battery, disk, and network stats
  • Graphical data visualization
  • Background monitoring
  • Data export and printing
  • Dark mode support
Features
Read full description

Detail information on operating system indicates it, and it's possible to save it and print. iPhone user can see wide screen view because it corresponds to a horizontal screen of the iPhone. In addition, iPad Air2 or later, iPad mini 4 or later, and iPad Pro or later can Split View and Slide Over and iPhone with 3D Touch that can be memory optimization from home screen. Also supports dark mode, and you can change the appearance of the app with Setting: Appearance in INFORMATION. Features GENERAL : Rial time monitoring of memory, CPU, battery, disk usage and network connect - Memory : Fee space ratio wired, active, inactive and free memory usage - CPU : Usage and idle state - Network : Wi-Fi, 3G or LTE connection state, sent and received data since system boot time - Battery : Charge level and state (Full, Unplugged or Charging) - Disk : Used, free and total space - Information : Summary device information OVERVIEW : Graph - Line chart of memory, CPU, battery and disk usage OVERVIEW DETAILS : CPU, battery etc, list - CPU Status : CPU usage - Battery Status : battery charged and battery status - Disk usage : Disk free space and total disk space - System uptime : system boot time and uptime - Connection : default getaway address and dns server address - WiFi : Connect IP address, subnet mask, SSID, BSSID, received & sent data since system boot - Cellular : Connect IP address, network type(LTE / 3G) and received & sent data since system boot MEMORY : Graph - Stacked line chart of wired, active, inactive, other memory usage MEMORY DETAILS : Memory details list - Memory Usage : wired, active, inactive, other, free, total memory and page size usage - Page IN/OUT : page ins and page outs - Page fault : faults and COW faults - Page lookup : lookups and hits - Page purge : purgeable count and purges - Other Page : zero Filled, reactivated and speculative read CPU : Graph - Stacked line chart of CPU usage NETWORK : Graph - Line chart of wi-fi received and sent, cellular received and sent data - Change the scale of the number of bytes(manually or automatically) BATTERY : Graph - Stacked line chart of battery charged level DISK : Graph - Stacked line chart of disk used space INFORMATION - Operating System : system, system build number, Kernel, system boot, uptime etc - Device Information : device name, id, device model etc - CPU Information : CPU model, GPU model, CPU frequency etc - Hardware Features : display resolution, pixel density, etc - Setting : Appearance : Auto, Light and Dark Function of then Graph general - Time scale change by button or double tap - Scrolling past data - AirPrint, save image, AirDrop, export email and more - Background monitoring(3 minutes) - Display the maximum value or the average value (range can be set) - Move to the location of the maximum value Supports Non retina and Retina display on iPhone,iPad. iPhone 4s or later, iPhone SE or later, iPhone X or later, iPad 2 or later, iPad Air or later and iPad mini or later. iPhone, iPad both vertical and horizontal screen display. Supported by "3D Touch" of the iPhone. Supported by "Split View" and "Slide Over" of the iPad. iOS 11.0 and later.

Screenshots

HachiCalendar2 Pro4 screens
System Status4 screens

Verdict

The call

The clearest difference is rating: System Status at 4.0 against HachiCalendar2 Pro's 3.5. System Status also leads on in-app purchases (none vs 2) and review sentiment (69% vs 50%). HachiCalendar2 Pro's advantage is update cadence (fortnightly vs every 6 weeks) and ratings volume (22 vs 3). 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 System Status $1.99 up front. HachiCalendar2 Pro sells 2 one-off in-app purchases. System Status asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

System Status holds the better App Store score, 4.0 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 69% of System Status's.

UpkeepUpdate frequency

HachiCalendar2 Pro ships an update fortnightly, System Status every 6 weeks. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

Scorecard7 real differences · 3 level
HachiCalendar2 Pro versus System Status: the parameters behind the verdict, then further details
ParameterHachiCalendar2 ProSystem Status
Price$1.99$1.99
Rating3.5 (22 ratings)4.0 (3 ratings) — better
Positive reviews49.7% of reviews68.8% of reviews — better
Number of ratings22 — better3
Update frequencyFortnightly — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.111.0 — better
Further details — not scored
Size28 MB1 MB
Age rating4+4+
Developer加明 严Kenichi Yoshikawa

Customer experience

HachiCalendar2 Pro

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

System Status

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews16 reviews
Positive68.8%
Neutral6.3%
Negative25.0%

In-app purchases

2 purchases

HachiCalendar2 Pro

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

System Status

No in-app purchases

Questions

Is HachiCalendar2 Pro free?
HachiCalendar2 Pro costs $1.99, and also offers in-app purchases.
Is System Status free?
System Status costs $1.99, with no in-app purchases.
Which has better reviews, HachiCalendar2 Pro or System Status?
System Status is rated higher. HachiCalendar2 Pro averages 3.5 out of 5 from 22 ratings, while System Status averages 4.0 from 3 ratings.
Do HachiCalendar2 Pro or System Status have ads?
Neither HachiCalendar2 Pro nor System Status shows ads.
Which is updated more often, HachiCalendar2 Pro or System Status?
HachiCalendar2 Pro ships an update fortnightly, and System Status every 6 weeks. Most recently, HachiCalendar2 Pro was updated on October 16, 2026 and System Status on October 9, 2026.

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