# SmarTemp 3.0 vs Volthium Pro Series

The clearest difference is iOS requirement: SmarTemp 3.0 at 9.0 against Volthium Pro Series's 13.0. 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.

SmarTemp 3.0 ships an update every 5 weeks, Volthium Pro Series every 2 months. The most recent releases landed on September 19, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | SmarTemp 3.0 | Volthium Pro Series |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (6 ratings)](https://appshunter.io/ios/app/smartemp-30/id1546720847/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 18.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 30 MB | 20 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Globus Sistemas Eletronicos Ltda](https://appshunter.io/developer/1211409010) | [Energie Volthium Inc](https://appshunter.io/developer/1522194366) |

## What reviewers say

### SmarTemp 3.0

[App page](https://appshunter.io/ios/app/smartemp-30/id1546720847)

Control your parking heater remotely. Schedule heating or ventilation, monitor interior temperature, and check battery charge. Access additional service information online.

**Highlights:** Remote heater operation, Time-based heating schedules, Individual heating programming, Heating and ventilation modes, Interior temperature display, Battery charge monitoring

**In-app purchases:** none


### Volthium Pro Series

[App page](https://appshunter.io/ios/app/volthium-pro-series/id6477122539)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SmarTemp 3.0 free?

SmarTemp 3.0 is free to download, with no in-app purchases.

### Is Volthium Pro Series free?

Volthium Pro Series is free to download, with no in-app purchases.

### Do SmarTemp 3.0 or Volthium Pro Series have ads?

Neither SmarTemp 3.0 nor Volthium Pro Series shows ads.

### Which is updated more often, SmarTemp 3.0 or Volthium Pro Series?

SmarTemp 3.0 ships an update every 5 weeks, and Volthium Pro Series every 2 months. Most recently, SmarTemp 3.0 was updated on September 19, 2026 and Volthium Pro Series on September 20, 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.*