Comparison

IC vs Chouseisan

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

IC

This app allows you to read, save, and export the usage history of various Japanese NFC transportation cards. Easily check your card balance and view past transactions, with the option to export data as a CSV file.

Highlights
  • Read IC card balance
  • View usage history
  • Export history as CSV
  • Supports multiple Japanese IC cards
  • Save card data
Read full description

That can acquire, save, and export the usage history of transportation Japanese IC cards such as Suica and Pasmo and more ▼FEATURE You can check the balance and usage history of transportation IC cards. The read usage history can be exported as CSV. ▼SUPPORTED CARDS ・Suica ・PASMO ・ICOCA ・manaca ・nimoca ・PiTaPa ・TOICA ・SUGOCA ・Kitaca ・Hayakaken ・PASPY ・SAPICA ・IruCa ・icsca ・OKICA ・ICa ・nanaco ・Edy ・WAON

About

Chouseisan

This free scheduling app simplifies event organization for both personal and professional use. Easily create event pages and share URLs with guests to coordinate schedules efficiently. It's a top scheduling service in Japan, designed for smooth itinerary planning.

Highlights
  • Streamlines event scheduling
  • Easy event page creation
  • Shareable event URLs
  • Suitable for private and business use
  • Large user base in Japan
Features
Read full description

Chouseisan is a free and easy to use scheduling application that streamlines scheduling. By streamlining scheduling, you can organize all kinds of events smoothly. ■ One of the largest scheduling services in Japan This is the official application of Chouseisan, one of the largest scheduling applications in Japan with over 8 million monthly active users. ■ Streamlines scheduling for all types of events The simple user experience makes it easy for anyone to use, and it can be used for a wide range of itinerary coordination from private to business situations. ■ Just share the URL with your guests to schedule an event. You can create an event page easily by simply entering the name of the event and possible dates. In addition, the URL of the event page can be shared with guests via chat, etc., for easy scheduling. ■ Completely free of charge Chouseisan is completely free of charge.

Screenshots

IC4 screens
Chouseisan4 screens

Verdict

The call

The clearest difference is in-app purchases: Chouseisan at none against IC's 5. Chouseisan also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (15.6 vs 27.0). IC's advantage is ads (none vs shown) and ratings volume (397 vs 43). On price, rating, review sentiment 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

Both are free to download. IC sells 5 one-off in-app purchases. Chouseisan asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for IC against 4.9 for Chouseisan. That said, the two scores are not equally well evidenced: IC has 397 ratings behind it against 43, so its average is the more settled of the two. Written reviews are what separate them: 68% of IC's written reviews are positive against 75% of Chouseisan's.

UpkeepUpdate frequency

IC ships an update every 2 months, Chouseisan fortnightly. Both last shipped on November 3, 2026.

Scorecard6 real differences · 4 level
IC versus Chouseisan: the parameters behind the verdict, then further details
ParameterICChouseisan
PriceFreeFree
Rating4.9 (397 ratings)4.9 (43 ratings)
Positive reviews68.1% of reviews75.0% of reviews — better
Number of ratings397 — better43
Update frequencyEvery 2 monthsFortnightly — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhoneiPhone, iPod — better
Requires iOS27.015.6 — better
Further details — not scored
Size213 MB99 MB
Age rating4+4+
DeveloperShintaro KawamuraMixtend Inc.

Customer experience

IC

All ratings397 ratings
Positive98.5%
Neutral1.3%
Negative0.3%
Written reviews72 reviews
Positive68.1%
Neutral8.3%
Negative23.6%

Chouseisan

All ratings43 ratings
Positive97.7%
Neutral2.3%
Negative0.0%
Written reviews20 reviews
Positive75.0%
Neutral5.0%
Negative20.0%

In-app purchases

5 purchases

IC

One-time5
  • All CSV Export$0.99
  • One free coffee for Developer.$0.99
  • タコスをご馳走する$3.99
Show 2 more
  • 広告非表示$4.99
  • お寿司をご馳走する$7.99
None

Chouseisan

No in-app purchases

Questions

Is IC free?
IC is free to download, with in-app purchases available.
Is Chouseisan free?
Chouseisan is free to download, with no in-app purchases.
Which has better reviews, IC or Chouseisan?
IC and Chouseisan are both rated 4.9 out of 5 on the App Store, from 397 and 43 ratings respectively.
Do IC or Chouseisan have ads?
Chouseisan shows ads; IC does not.
Which is updated more often, IC or Chouseisan?
IC ships an update every 2 months, and Chouseisan fortnightly. Most recently, IC was updated on November 3, 2026 and Chouseisan on November 3, 2026.

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