# 海投AI版 vs NAG

The clearest difference is update cadence: NAG at fortnightly against 海投AI版's every 2 months. NAG also leads on iOS requirement (10.0 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.

海投AI版 ships an update every 2 months, NAG fortnightly. The most recent releases landed on October 17, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 海投AI版 | NAG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 72 MB | 49 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LUHUI MEIDA LIMITED](https://appshunter.io/developer/1849557160) | [NAG MARKETS (PACIFIC) LIMITED](https://appshunter.io/developer/1510732170) |

## What reviewers say

### 海投AI版

[App page](https://appshunter.io/ios/app/ai/id1475065217)

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

**In-app purchases:** none


### NAG

[App page](https://appshunter.io/ios/app/nag/id1510873102)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 海投AI版 free?

海投AI版 is free to download, with no in-app purchases.

### Is NAG free?

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

### Do 海投AI版 or NAG have ads?

Neither 海投AI版 nor NAG shows ads.

### Which is updated more often, 海投AI版 or NAG?

海投AI版 ships an update every 2 months, and NAG fortnightly. Most recently, 海投AI版 was updated on October 17, 2026 and NAG 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.*