# 乐天行 vs NDSD250

The clearest difference is update cadence: NDSD250 at every 2 months against 乐天行's every 29 months. NDSD250 also leads on iOS requirement (9.0 vs 12.0). 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.

乐天行 ships an update every 29 months, NDSD250 every 2 months. The most recent releases landed on September 19, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | 乐天行 | NDSD250 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 2 months** |
| Size | 42 MB | 91 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [洪亮 秦](https://appshunter.io/developer/1618391584) | [Guangzhou Aidan Blessindo Electronic Co.,Ltd.](https://appshunter.io/developer/1413008258) |

## What reviewers say

### 乐天行

[App page](https://appshunter.io/ios/app/id6448659771)

**Features:** macOS Compatibility

**In-app purchases:** none


### NDSD250

[App page](https://appshunter.io/ios/app/ndsd250/id6451366743)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 乐天行 free?

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

### Is NDSD250 free?

NDSD250 is free to download, with no in-app purchases.

### Do 乐天行 or NDSD250 have ads?

Neither 乐天行 nor NDSD250 shows ads.

### Which is updated more often, 乐天行 or NDSD250?

乐天行 ships an update every 29 months, and NDSD250 every 2 months. Most recently, 乐天行 was updated on September 19, 2026 and NDSD250 on September 9, 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.*