Is my Android device supported?
This app runs on NFC-enabled devices with Android 9 or later.
Suikakeibo is being developed for the Japanese market and therefore the following IC cards are currently supported:
| Well tested | Not working / Untested |
|---|---|
| Suica, PASMO, Kitaca, SAPICA, SUGOCA, Icoca, manaca, hayakaken, nimoca, toiCa, icsca, IruCa, Paspy, kumamonのICCard (v4.3+), PitaPa, ecomyca (v4.3+), okica (v4.3+)
E-Money: waon, nanaco, edy |
ですか, Hareca, Tsukica |
When you tap your IC card at a ticket gate, it records your entry. When you tap out after a journey, the fare is normally deducted from your balance. Entering and leaving the same station does not automatically make it free. Some stations charge an admission fee even if you did not take a train; others will not let you tap out at the same station.
If you entered by mistake and have not taken a train, go to the staffed gate or ticket counter at that station before tapping out. Show the card or phone you used to enter, explain what happened, and ask the staff to cancel your entry.
You can say 「キャンセルお願いします」 (Kyanseru onegaishimasu) — “Please cancel it.” To make the situation clearer, say:
「間違えて入りました。入場のキャンセルをお願いします。」
Machigaete hairimashita. Nyūjō no kyanseru o onegaishimasu.
“I entered by mistake. Please cancel my station entry.”
Staff can check your entry record and advise whether it can be cancelled without a charge. Rules depend on the railway and the circumstances; an admission fee may still apply. If you have already taken a train, tell the staff where you travelled, as the applicable fare is still payable.
Official guidance: JR East: entering and leaving the same station · JR East: cancelling an accidental entry (Japanese PDF)
Japanese IC cards only store the 20 most recent trips (3 for e-money). Once these limits are reached, each new transaction overwrites the oldest record.
Scanning your card with Suikakeibo saves the available history on your phone. However, the app can only read records that are still on the card at the time of scanning. It cannot recover records that have already been overwritten.
This means that if you make more than 20 trips between scans, some trips will be missing from your history. For example, if you make 25 trips without scanning, the 5 oldest trips will no longer be available when you next scan your card.
To avoid gaps in your history, scan your card regularly, before you reach these limits. Records already saved in Suikakeibo stay on your phone even after they are overwritten on the card.
Your card only holds information about the 20 most recent trips. By scanning it with Suikakeibo, you can save the data to your phone and keep a full history. For privacy reasons, the app cannot access the data without scanning the card, so you will need to read your IC card from time to time to get the most recent data.
One limitation of most Japanese IC cards is that when using a commuter pass, no public records will be written for the stations covered by the pass. Thus, Suikakeibo can only read your trips and shopping expenses not covered by a commuter pass.
Bus history often contains less location detail than railway history. For Suica and PASMO, a bus trip may identify only the bus company, rather than the stops where you boarded and got off. The single name shown in Suikakeibo is therefore not necessarily your boarding stop.
The available information depends on the card and bus operator. Suikakeibo displays the operator, service or stop it can identify from that record. If there is no separate second location, the app cannot show both ends of the journey. Scanning again cannot recover stop information that is not stored in the history.
An incomplete route does not by itself mean the fare is missing or that you forgot to tap your card. The balance and fare are separate from the location names, so a charged amount can still be available. Follow the bus operator's boarding and payment instructions.
If you need the full route for your records or an expense report, open the trip's three-dot menu → Edit note and add the route and stops yourself. If the displayed company or stop name is wrong, use Report an error in the same menu. A blank second location alone can be a normal limitation of the card history.
Official guidance: PASMO: checking your history (Japanese) · Seibu Bus: bus history shows the operator, not the journey's stops (Japanese)
Suikakeibo uses Android Auto Backup, so your data will be automatically restored when logging in to your new phone with the same Google Account.
Since 3.8.0: If Auto Backup does not work properly, you can also create and restore a backup in `Settings`.
Suikakeibo helps you to get reimbursed for your company expenses without the hassle.
The Android app uses the following permissions: