# Workinfo.app vs Truster Invoicing service

The clearest difference is in-app purchases: Workinfo.app at none against Truster Invoicing service's 2. Workinfo.app also leads on iOS requirement (15.6 vs 17.0). Truster Invoicing service's advantage is update cadence (every 5 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Truster Invoicing service sells 2 in-app purchases, starting at $49.00 per month. Workinfo.app asks for nothing beyond the download.

Workinfo.app ships an update every 2 months, Truster Invoicing service every 5 days. The most recent releases landed on August 20, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Workinfo.app | Truster Invoicing service |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 39 MB | 70 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Silmu Software Oy](https://appshunter.io/developer/679606470) | [Truster Oy](https://appshunter.io/developer/1512815130) |

## What reviewers say

### Workinfo.app

[App page](https://appshunter.io/ios/app/workinfoapp/id1074200656)

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

**In-app purchases:** none


### Truster Invoicing service

[App page](https://appshunter.io/ios/app/truster-invoicing-service/id1512815131)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Truster | $49.00 | per month |
| Truster PRO | $99.99 | per month |


## Frequently asked questions

### Is Workinfo.app free?

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

### Is Truster Invoicing service free?

Truster Invoicing service is free to download, with in-app purchases available.

### Do Workinfo.app or Truster Invoicing service have ads?

Neither Workinfo.app nor Truster Invoicing service shows ads.

### Which is updated more often, Workinfo.app or Truster Invoicing service?

Workinfo.app ships an update every 2 months, and Truster Invoicing service every 5 days. Most recently, Workinfo.app was updated on August 20, 2026 and Truster Invoicing service on September 21, 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.*