# B2Digital vs AT Service Group

The clearest difference is iOS requirement: B2Digital at 12.0 against AT Service Group's 15.1. 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.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on June 11, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | B2Digital | AT Service Group |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 34 MB | 53 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [B2DIGITAL S.R.L.](https://appshunter.io/developer/1661924195) | [AT Service](https://appshunter.io/developer/1649237506) |

## What reviewers say

### B2Digital

[App page](https://appshunter.io/ios/app/b2digital/id1661924193)

Real-time monitoring of sent and received invoices. Receive notifications for rejected invoices to maintain control over outgoing billing. Get alerts for incoming invoices from your suppliers.

**Highlights:** Real-time invoice monitoring, Notifications for rejected invoices, Supplier invoice reception alerts, Track sent and received invoices

**Features:** macOS Compatibility

**In-app purchases:** none


### AT Service Group

[App page](https://appshunter.io/ios/app/at-service-group/id6443783483)

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

**In-app purchases:** none


## Frequently asked questions

### Is B2Digital free?

B2Digital is free to download, with no in-app purchases.

### Is AT Service Group free?

AT Service Group is free to download, with no in-app purchases.

### Do B2Digital or AT Service Group have ads?

Neither B2Digital nor AT Service Group shows ads.

### Which is updated more often, B2Digital or AT Service Group?

B2Digital ships an update every 3 weeks, and AT Service Group every 3 weeks. Most recently, B2Digital was updated on June 11, 2026 and AT Service Group on September 17, 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.*