# Atmozen vs SmartBill

The clearest difference is in-app purchases: Atmozen at none against SmartBill's 2. Atmozen also leads on update cadence (every 2 months vs every 4 months) and iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. SmartBill sells 2 in-app purchases, starting at $3.99 per month. Atmozen asks for nothing beyond the download.

Atmozen ships an update every 2 months, SmartBill every 4 months. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Atmozen | SmartBill |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/atmozen/id6553983947/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | — |
| Size | 141 MB | 34 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Atmoce Holding B.V.](https://appshunter.io/developer/1758049750) | [Louis Valli](https://appshunter.io/developer/1614820699) |

## What reviewers say

### Atmozen

[App page](https://appshunter.io/ios/app/atmozen/id6553983947)

Monitor the operational status of solar sites with this app. It offers features for site access, device monitoring, alerts, and settings management. Access a support center for assistance.

**Highlights:** Site access, Device monitoring, Alerting system, Site settings, Support center

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

**In-app purchases:** none


### SmartBill

[App page](https://appshunter.io/ios/app/smartbill/id6759165393)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Mensuel | $3.99 | per month |
| Premium Annuel | $44.99 | per year |


## Frequently asked questions

### Is Atmozen free?

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

### Is SmartBill free?

SmartBill is free to download, with in-app purchases available.

### Do Atmozen or SmartBill have ads?

Neither Atmozen nor SmartBill shows ads.

### Which is updated more often, Atmozen or SmartBill?

Atmozen ships an update every 2 months, and SmartBill every 4 months. Most recently, Atmozen was updated on October 1, 2026 and SmartBill on October 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.*