# Comstruct Field App vs Rietberg Smart Fuel

The clearest difference is update cadence: Comstruct Field App at fortnightly against Rietberg Smart Fuel's every 18 months. Rietberg Smart Fuel's advantage is iOS requirement (14.1 vs 16.0). 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.

Comstruct Field App ships an update fortnightly, Rietberg Smart Fuel every 18 months. The most recent releases landed on September 12, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Comstruct Field App | Rietberg Smart Fuel |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 18 months |
| Size | 29 MB | 49 MB |
| Requires iOS | 16.0 | **14.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [comstruct ICT GmbH](https://appshunter.io/developer/1623383956) | [Seppeler Rietbergwerke GmbH & Co. KG](https://appshunter.io/developer/1646019905) |

## What reviewers say

### Comstruct Field App

[App page](https://appshunter.io/ios/app/comstruct-field-app/id1634824642)

**Features:** Vision Pro support

**In-app purchases:** none


### Rietberg Smart Fuel

[App page](https://appshunter.io/ios/app/rietberg-smart-fuel/id6443447882)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Comstruct Field App free?

Comstruct Field App is free to download, with no in-app purchases.

### Is Rietberg Smart Fuel free?

Rietberg Smart Fuel is free to download, with no in-app purchases.

### Do Comstruct Field App or Rietberg Smart Fuel have ads?

Neither Comstruct Field App nor Rietberg Smart Fuel shows ads.

### Which is updated more often, Comstruct Field App or Rietberg Smart Fuel?

Comstruct Field App ships an update fortnightly, and Rietberg Smart Fuel every 18 months. Most recently, Comstruct Field App was updated on September 12, 2026 and Rietberg Smart Fuel on September 19, 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.*