# 济宁正义掌上公交 vs DM Service

济宁正义掌上公交 and DM Service are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 27, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 济宁正义掌上公交 | DM Service |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 112 MB | 45 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ShanDong HengYu Electronics Co,LTD](https://appshunter.io/developer/966059900) | [Zhejiang Xingyue Electric Appliance Co., Ltd.](https://appshunter.io/developer/1389646775) |

## What reviewers say

### 济宁正义掌上公交

[App page](https://appshunter.io/ios/app/id1592939263)

**Features:** macOS Compatibility

**In-app purchases:** none


### DM Service

[App page](https://appshunter.io/ios/app/dm-service/id6479637545)

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

**In-app purchases:** none


## Frequently asked questions

### Is 济宁正义掌上公交 free?

济宁正义掌上公交 is free to download, with no in-app purchases.

### Is DM Service free?

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

### Do 济宁正义掌上公交 or DM Service have ads?

Neither 济宁正义掌上公交 nor DM Service shows ads.

### Which is updated more often, 济宁正义掌上公交 or DM Service?

济宁正义掌上公交 ships an update every 2 months, and DM Service every 2 months. Most recently, 济宁正义掌上公交 was updated on October 27, 2026 and DM Service 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.*