# dinventis App vs treffwork

The clearest difference is in-app purchases: dinventis App at none against treffwork's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. treffwork sells 1 in-app purchase, starting at $6.99 per month. dinventis App asks for nothing beyond the download.

dinventis App ships an update fortnightly, treffwork weekly. The most recent releases landed on September 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | dinventis App | treffwork |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Size | 23 MB | 60 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [dinventis UG (haftungsbeschränkt)](https://appshunter.io/developer/1891443421) | [Viyan Acar](https://appshunter.io/developer/6814973396) |

## What reviewers say

### dinventis App

[App page](https://appshunter.io/ios/app/dinventis-app/id6756392414)

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

**In-app purchases:** none


### treffwork

[App page](https://appshunter.io/ios/app/treffwork/id6759860951)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Abo | $6.99 | per month |


## Frequently asked questions

### Is dinventis App free?

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

### Is treffwork free?

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

### Do dinventis App or treffwork have ads?

Neither dinventis App nor treffwork shows ads.

### Which is updated more often, dinventis App or treffwork?

dinventis App ships an update fortnightly, and treffwork weekly. Most recently, dinventis App was updated on September 24, 2026 and treffwork on October 13, 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.*