# Aton Storage vs OHappyDay

The clearest difference is ads: Aton Storage at none against OHappyDay's shown. Aton Storage also leads on update cadence (every 2 months vs every 17 months) and iOS requirement (12.0 vs 15.0). On price, 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.

Aton Storage ships an update every 2 months, OHappyDay every 17 months. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Aton Storage | OHappyDay |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 19.6% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 17 months |
| Monetization | Free | — |
| Size | 10 MB | 50 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Aton srl](https://appshunter.io/developer/1124468301) | [Alessio Vitella](https://appshunter.io/developer/1574646938) |

## What reviewers say

### Aton Storage

[App page](https://appshunter.io/ios/app/aton-storage/id1124468302)

Monitor your energy storage system remotely in real-time. View current status, historical production, consumption, and savings data. Track electric vehicle charging status and energy supplied.

**Highlights:** Real-time system status monitoring, Historical production and consumption data, Energy saving and self-sufficiency tracking, Detailed daily, monthly, annual reports, Electric vehicle charging management

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

**In-app purchases:** none


### OHappyDay

[App page](https://appshunter.io/ios/app/ohappyday/id1574646936)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Aton Storage free?

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

### Is OHappyDay free?

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

### Do Aton Storage or OHappyDay have ads?

OHappyDay shows ads; Aton Storage does not.

### Which is updated more often, Aton Storage or OHappyDay?

Aton Storage ships an update every 2 months, and OHappyDay every 17 months. Most recently, Aton Storage was updated on October 7, 2026 and OHappyDay on October 8, 2026.

---

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