Comparison

Vertical Calendar. 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

Vertical Calendar.

This app offers a unique monthly calendar view for iPhone and iPod Touch, allowing users to see all their calendars together in one overview. Customize backgrounds, icons, and font sizes for a personalized experience.

Highlights
  • At-a-glance monthly calendar view
  • Syncs with multiple calendar services
  • Customizable background and icon colors
  • Task management integration
  • Personalized calendar wallpapers
  • Supports holidays worldwide
Features
Read full description

[Important] Sales and support of this app will end on March 31, 2027. Please use our new app "Vertical Planner". Vertical Calendar is a unique at a glance monthly calendar application for your iPhone or iPod touch . It is the top calendar app on the Japanese App Store . ------Customer Review---------------------- "A unique month at a glance calendar that allows you see all your calendars put together in one nice overview. No little dots or cut-off words. Flick for next month. I like it!" -iron bridge, customer ------------------------------------------- You can customize the background color and icon for each day. ●Main Features ・Works with all iPhone supported calendars (Google calendar, Outlook, Mobile Me, Exchange, CalDAV, etc.) ・Supports calendar syncing ・Zoom in by pinching or double tapping ・Task management ・Create personalized calendar wallpapers. ・Input history logging. ・Supports holidays in every country ・Customizable font size for both monthly or daily display views ・Display the day's date budge on icons ・Customizable calendar colors ・Customizable background and icon colors for every day ・Link maps to event locations

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

Vertical Calendar.4 screens
System Status4 screens

Verdict

The call

The clearest difference is monetization model: Vertical Calendar. at free against System Status's paid. System Status's advantage is review sentiment (69% vs 58%) and iOS requirement (11.0 vs 13.0). On price, rating, ratings volume and update cadence 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

Vertical Calendar. costs $1.99 and System Status $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.0 for Vertical Calendar. against 4.0 for System Status. Both are backed by a comparable volume of ratings — 6 and 3 respectively. Written reviews are what separate them: 58% of Vertical Calendar.'s written reviews are positive against 69% of System Status's.

UpkeepUpdate frequency

Vertical Calendar. ships an update every 2 months, System Status every 6 weeks. The most recent releases landed on October 20, 2026 and October 9, 2026 respectively.

Scorecard3 real differences · 7 level
Vertical Calendar. versus System Status: the parameters behind the verdict, then further details
ParameterVertical Calendar.System Status
Price$1.99$1.99
Rating4.0 (6 ratings)4.0 (3 ratings)
Positive reviews57.9% of reviews68.8% of reviews — better
Number of ratings6 — better3
Update frequencyEvery 2 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.011.0 — better
Further details — not scored
Size3 MB1 MB
Age rating4+4+
DeveloperUnitacKenichi Yoshikawa

Customer experience

Vertical Calendar.

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews107 reviews
Positive57.9%
Neutral12.1%
Negative29.9%

System Status

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

Bugs and requests

Vertical Calendar.

Reported bugs

17 issues
  • Default text color is gray and cannot be changed to black
  • Lost all events after phone/OS update
  • Checkmarks disappear
  • Cannot edit event times, reverts to previous time
  • Event text color reverts to black
Show 12 more
  • App crashes after OS updates (iOS 14, iOS 9)
  • Cannot add new entries after OS update
  • Calendar colors revert to black when traveling
  • Lost one calendar out of ten without reason
  • Restore button not working
  • Help menus in another language
  • Schedule time input bug: arbitrarily jumps to nearest time
  • Cannot save anything
  • Options are blank and app shuts down
  • Syncing Google calendars is a nightmare
  • Automatic alarm appears even if not set
  • Prior days shown at top of screen

Requested features

20 requests
  • Android release requested
  • iPad HD version needed
  • Add photo to event
  • Yearly view option
  • Rotation for iPad
Show 15 more
  • Display iPhone reminders
  • Improved icon/stamp functionality
  • Sync with Google Calendar
  • Calendar week display
  • Task list completion not shown on calendar
  • Personalize alerts
  • Template feature
  • Second alarm setting
  • Icons per appointment
  • Dark mode option
  • Easier month navigation
  • Shortcut to current month
  • Delegated/linked calendar display
  • Share event via email
  • French version

System Status

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Vertical Calendar.

No in-app purchases

None

System Status

No in-app purchases

Questions

Is Vertical Calendar. free?
Vertical Calendar. costs $1.99, with no in-app purchases.
Is System Status free?
System Status costs $1.99, with no in-app purchases.
Which has better reviews, Vertical Calendar. or System Status?
Vertical Calendar. and System Status are both rated 4.0 out of 5 on the App Store, from 6 and 3 ratings respectively.
Do Vertical Calendar. or System Status have ads?
Neither Vertical Calendar. nor System Status shows ads.
Which is updated more often, Vertical Calendar. or System Status?
Vertical Calendar. ships an update every 2 months, and System Status every 6 weeks. Most recently, Vertical Calendar. was updated on October 20, 2026 and System Status on October 9, 2026.

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