GBA vs Trip Reader (NFC)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GBA
Connect your compatible CASIO watch to your iPhone to unlock enhanced mobile link functions. This app simplifies watch operations by allowing you to control them from your phone's screen. It requires location services to be set to 'Always' for accurate time synchronization.
- Bluetooth v4.0 connectivity
- Mobile Link functions
- Simplified watch operations via phone
- Accurate time synchronization
- iPhone integration
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●Description This is the basic application for connecting and communicating with a Bluetooth(R) v4.0 enabled CASIO watch. Pairing your watch with an iPhone enables use of a variety of different Mobile Link functions that greatly enhance the iPhone experience. The GBA-400+ app also simplifies certain watch operations by letting you perform them on your phone screen. Visit the website below for details. http://world.g-shock.com/ We recommend using GBA-400+ on the following operating systems. Operation is not guaranteed for any operating system not listed below. Even if an operating system has been confirmed as compatible, software updates or display specifications may prevent proper display and/or operation. ⋅ iOS 12 or later. Applicable Watches: GBA-400 Please refer to the FAQ link below to resolve problems such as being unable to connect or operate the watch. https://support.casio.com/en/support/faqlist.php?cid=009001019 This application uses location information to obtain accurate time. For "Location Service" in iPhone privacy settings, please "Always". If it is not "Always", the application will not work properly. Continued use of GPS running in the background can dramatically decrease battery life.
Trip Reader (NFC)
Access your Chinese public transit card's balance and transaction history using your iPhone's NFC reader. View station names, monthly discounts, and bus routes without needing internet or Bluetooth. Save your travel history and sync it across devices.
- Read balance and history
- Show station names
- Track monthly discounts
- Display bus route numbers
- Save travel history
- Sync to iCloud
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Trip Reader uses iPhone's internal NFC reader to get balance and history from public transit cards issued across China. No Internet or Bluetooth is needed. Main features: • Balance and history • Show station names • Monthly discount policy and progress • Bus route number • Save history and comments • Sync to iCloud ************************************** Beijing Yikatong is not supported due to technical reason. ************************************** Cards supported: • Beijing Hutong Card (京津冀互联互通卡, with T-Union mark) • Tianjin City Card (with T-Union mark) • Nanjing City Card (with T-Union mark) • Suzhou Citizen Card • Shanghai Public Transportation Card (Purple card and T-Union card) • Kunshan Citizen Card • Guangzhou Yang Cheng Tong (CPU card only) • Lingnan Pass • Shenzhen Tong (FeliCa type not supported) • Chengdu Tianfu Tong (CPU card only) • Other T-Union or City Union cards issued across China (some dual-module cards may show T-Union history only) Note: Student cards, senior cards etc. are not supported. This app does not have access to official database. Please use with caution and do not rely on the result.
Screenshots
Verdict
The clearest difference is review sentiment: Trip Reader (NFC) at 93% against GBA's 34%. Trip Reader (NFC) also leads on rating (4.7 vs 3.4) and ratings volume (483 vs 10). GBA's advantage is monetization model (free vs paid) and iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Trip Reader (NFC) holds the better App Store score, 4.7 against 3.4. That said, the two scores are not equally well evidenced: Trip Reader (NFC) has 483 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 34% of GBA's written reviews are positive against 93% of Trip Reader (NFC)'s.
GBA ships an update every 6 months, Trip Reader (NFC) every 2 months. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.
| Parameter | GBA | Trip Reader (NFC) |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (10 ratings) | 4.7 (483 ratings) — better |
| Positive reviews | 34.1% of reviews | 92.9% of reviews — better |
| Number of ratings | 10 | 483 — better |
| Update frequency | Every 6 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 23 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | CASIO COMPUTER CO., LTD. | Domosekai Limited |
Customer experience
GBA
Trip Reader (NFC)
In-app purchases
GBA
No in-app purchases
Trip Reader (NFC)
No in-app purchases









