# 南通地铁 vs Doris

The clearest difference is update cadence: Doris at every 6 days against 南通地铁's monthly. 南通地铁's advantage is iOS requirement (15.0 vs 18.0). 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.

南通地铁 ships an update monthly, Doris every 6 days. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 南通地铁 | Doris |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 6 days** |
| Size | 99 MB | 8 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [南通智慧交通科技有限公司](https://appshunter.io/developer/1069873090) | [家升 高](https://appshunter.io/developer/1896268101) |

## What reviewers say

### 南通地铁

[App page](https://appshunter.io/ios/app/id1635676400)

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

**In-app purchases:** none


### Doris

[App page](https://appshunter.io/ios/app/doris/id6771714230)

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

**In-app purchases:** none


## Frequently asked questions

### Is 南通地铁 free?

南通地铁 is free to download, with no in-app purchases.

### Is Doris free?

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

### Do 南通地铁 or Doris have ads?

Neither 南通地铁 nor Doris shows ads.

### Which is updated more often, 南通地铁 or Doris?

南通地铁 ships an update monthly, and Doris every 6 days. Most recently, 南通地铁 was updated on October 27, 2026 and Doris on October 31, 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.*