# Keelin vs Trip Reader (NFC)

The clearest difference is review sentiment: Trip Reader (NFC) at 93% against Keelin's 17%. Keelin's advantage is monetization model (free vs paid) and update cadence (every 3 weeks vs every 2 months). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Keelin ships an update every 3 weeks, Trip Reader (NFC) every 2 months. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Keelin | Trip Reader (NFC) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (483 ratings)](https://appshunter.io/ios/app/trip-reader-nfc/id1488582968/reviews)** |
| Number of ratings | — | **483** |
| Positive reviews | 16.7% of reviews | **92.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | **Free** | Paid |
| Size | 108 MB | 5 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [佳喜 肖](https://appshunter.io/developer/791981887) | [Domosekai Limited](https://appshunter.io/developer/1488582967) |

## What reviewers say

### Keelin

[App page](https://appshunter.io/ios/app/keelin/id798026651)

Monitor your car's location and operational status in real-time from your phone. Remotely control vehicle systems, view historical data, and receive fault diagnosis information and alarms. Includes a car locking feature for security.

**Highlights:** Real-time vehicle location tracking, Remote vehicle system control, Historical location data and playback, OBD fault diagnosis information, Alarm notifications for emergencies, Mobile car locking function

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Trip Reader (NFC)

[App page](https://appshunter.io/ios/app/trip-reader-nfc/id1488582968)

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.

**Highlights:** Read balance and history, Show station names, Track monthly discounts, Display bus route numbers, Save travel history, Sync to iCloud

**In-app purchases:** none


## Frequently asked questions

### Is Keelin free?

Keelin is free to download, with no in-app purchases.

### Is Trip Reader (NFC) free?

Trip Reader (NFC) is free to download, with no in-app purchases.

### Do Keelin or Trip Reader (NFC) have ads?

Neither Keelin nor Trip Reader (NFC) shows ads.

### Which is updated more often, Keelin or Trip Reader (NFC)?

Keelin ships an update every 3 weeks, and Trip Reader (NFC) every 2 months. Most recently, Keelin was updated on October 1, 2026 and Trip Reader (NFC) on October 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*