# 南方选型系统 vs DataM

南方选型系统 and DataM 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.

南方选型系统 ships an update every 3 months, DataM every 4 months. The most recent releases landed on September 27, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 南方选型系统 | DataM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1095222913/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Size | 24 MB | 18 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [旭 汤](https://appshunter.io/developer/1034622624) | [纳 王](https://appshunter.io/developer/1077589985) |

## What reviewers say

### 南方选型系统

[App page](https://appshunter.io/ios/app/id1095222913)

**Features:** macOS Compatibility

**In-app purchases:** none


### DataM

[App page](https://appshunter.io/ios/app/datam/id1522635338)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 南方选型系统 free?

南方选型系统 is free to download, with no in-app purchases.

### Is DataM free?

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

### Do 南方选型系统 or DataM have ads?

Neither 南方选型系统 nor DataM shows ads.

### Which is updated more often, 南方选型系统 or DataM?

南方选型系统 ships an update every 3 months, and DataM every 4 months. Most recently, 南方选型系统 was updated on September 27, 2026 and DataM on October 10, 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.*