# OnEvent vs ProWatt

The clearest difference is update cadence: ProWatt at every 6 weeks against OnEvent's every 4 months. 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.

OnEvent ships an update every 4 months, ProWatt every 6 weeks. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | OnEvent | ProWatt |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Size | 57 MB | 92 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [OnEvent](https://appshunter.io/developer/6788829900) | [VERVE TECHNOLOGIES (MA)](https://appshunter.io/developer/1773997759) |

## What reviewers say

### OnEvent

[App page](https://appshunter.io/ios/app/onevent/id6733246900)

**Features:** Apple Wallet

**In-app purchases:** none


### ProWatt

[App page](https://appshunter.io/ios/app/prowatt/id6742252915)

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

**In-app purchases:** none


## Frequently asked questions

### Is OnEvent free?

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

### Is ProWatt free?

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

### Do OnEvent or ProWatt have ads?

Neither OnEvent nor ProWatt shows ads.

### Which is updated more often, OnEvent or ProWatt?

OnEvent ships an update every 4 months, and ProWatt every 6 weeks. Most recently, OnEvent was updated on October 2, 2026 and ProWatt on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*