# NPai vs ReGenF

The clearest difference is iOS requirement: NPai at 13.0 against ReGenF's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

NPai ships an update every 2 months, ReGenF monthly. The most recent releases landed on July 5, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | NPai | ReGenF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 22 MB | 98 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CPJTECHNOSOLUTIONS PRIVATE LIMITED](https://appshunter.io/developer/1457369043) | [REGENF ECO GREEN PRIVATE LIMITED](https://appshunter.io/developer/1826241054) |

## What reviewers say

### NPai

[App page](https://appshunter.io/ios/app/npai/id1528150577)

**Features:** macOS Compatibility

**In-app purchases:** none


### ReGenF

[App page](https://appshunter.io/ios/app/regenf/id6748550310)

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

**In-app purchases:** none


## Frequently asked questions

### Is NPai free?

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

### Is ReGenF free?

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

### Do NPai or ReGenF have ads?

Neither NPai nor ReGenF shows ads.

### Which is updated more often, NPai or ReGenF?

NPai ships an update every 2 months, and ReGenF monthly. Most recently, NPai was updated on July 5, 2026 and ReGenF on September 7, 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.*