# Bolt.Works vs Truster Invoicing service

The clearest difference is in-app purchases: Bolt.Works at none against Truster Invoicing service's 1. Bolt.Works also leads on iOS requirement (15.0 vs 17.0). Truster Invoicing service's advantage is update cadence (every 4 days vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Truster Invoicing service sells 1 in-app purchase, starting at $49.00 per month. Bolt.Works asks for nothing beyond the download.

Bolt.Works ships an update monthly, Truster Invoicing service every 4 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Bolt.Works | Truster Invoicing service |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Size | 3 MB | 72 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [bolt.works oy](https://appshunter.io/developer/1196876574) | [Truster Oy](https://appshunter.io/developer/1512815130) |

## What reviewers say

### Bolt.Works

[App page](https://appshunter.io/ios/app/boltworks/id1196876575)

**Features:** macOS Compatibility

**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 (1)**

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


## Frequently asked questions

### Is Bolt.Works free?

Bolt.Works 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 Bolt.Works or Truster Invoicing service have ads?

Neither Bolt.Works nor Truster Invoicing service shows ads.

### Which is updated more often, Bolt.Works or Truster Invoicing service?

Bolt.Works ships an update monthly, and Truster Invoicing service every 4 days. Most recently, Bolt.Works was updated on November 2, 2026 and Truster Invoicing service on November 3, 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.*