# 北京一卡通 vs 问小白

The clearest difference is in-app purchases: 北京一卡通 at none against 问小白's 15. 北京一卡通 also leads on ratings volume (146 vs 6) and iOS requirement (13.0 vs 15.0). 问小白's advantage is update cadence (weekly vs every 2 months). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. 问小白 sells 15 in-app purchases, starting at $3.99 per month. 北京一卡通 asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 1.5 for 北京一卡通 against 1.7 for 问小白. That said, the two scores are not equally well evidenced: 北京一卡通 has 146 ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 18% of 北京一卡通's written reviews are positive against 22% of 问小白's.

北京一卡通 ships an update every 2 months, 问小白 weekly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 北京一卡通 | 问小白 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (146 ratings)](https://appshunter.io/ios/app/id1071038870/reviews) | **[1.7 (6 ratings)](https://appshunter.io/ios/app/id6476144477/reviews)** |
| Number of ratings | **146** | 6 |
| Positive reviews | 18.2% of reviews | **21.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Freemium |
| Size | 170 MB | 240 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Beijing Municipal Administration & Communication Card Co., Ltd.](https://appshunter.io/developer/967092372) | [北京元石科技有限公司](https://appshunter.io/developer/1713742934) |

## What reviewers say

### 北京一卡通

[App page](https://appshunter.io/ios/app/id1071038870)

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

**In-app purchases:** none

**What reviewers like**

- 👍 Convenient for travel
- 👍 Can be used for both bus and subway
- 👍 Easy to top up at home
- 👍 Integrates with Apple Pay/Watch
- 👍 No need to carry physical cards

**What reviewers complain about**

- 🐛 Frequent app crashes/freezing
- 🐛 Inability to connect/login
- 🐛 Verification code not received
- 🐛 Payment/recharge failures
- 🐛 Incorrect charges/double charging

**Reported bugs**

- App crashes on startup
- App crashes when enabling Face ID
- App crashes when detecting VPN
- Cannot connect with WeChat
- Cannot sign up without Chinese cell number

**Requested features**

- Improve real-time bus tracking
- Add discount information
- Improve transaction history display
- Allow binding of existing physical cards
- Improve customer support responsiveness


### 问小白

[App page](https://appshunter.io/ios/app/id6476144477)

This AI assistant excels at long-form content generation, complex task management, and maintaining context in extended conversations. It helps with writing, research, and creative projects by remembering past interactions and information.

**Highlights:** Long context understanding, Extended conversational memory, AI character interaction, Long-form content creation, Document reading and summarization, Image understanding, Deep thinking and analysis

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP基础版 | $3.99 | per month |
| SVIP标准版 | $14.99 | per month |
| SVIP专业版 | $29.99 | per month |
| SVIP旗舰版 | $59.99 | per month |
| 8 computing power | $0.99 | one-time |
| One-month VIP membership | $4.99 | one-time |
| 48 computing power | $5.99 | one-time |
| Three-month VIP membership | $12.99 | one-time |
| Half-year VIP membership | $19.99 | one-time |
| One-year VIP membership | $29.99 | one-time |
| One-month SVIP membership | $59.99 | one-time |
| Three-month SVIP membership | $129.99 | one-time |
| 2888 computing power | $229.99 | one-time |
| Half-year SVIP membership | $229.99 | one-time |
| One-year SVIP membership | $349.99 | one-time |


## Frequently asked questions

### Is 北京一卡通 free?

北京一卡通 is free to download, with no in-app purchases.

### Is 问小白 free?

问小白 is free to download, with in-app purchases available.

### Which has better reviews, 北京一卡通 or 问小白?

问小白 is rated higher. 北京一卡通 averages 1.5 out of 5 from 146 ratings, while 问小白 averages 1.7 from 6 ratings.

### Do 北京一卡通 or 问小白 have ads?

Neither 北京一卡通 nor 问小白 shows ads.

### Which is updated more often, 北京一卡通 or 问小白?

北京一卡通 ships an update every 2 months, and 问小白 weekly. Most recently, 北京一卡通 was updated on October 26, 2026 and 问小白 on October 25, 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.*