# SPRING Cube vs B2Digital

The clearest difference is iOS requirement: B2Digital at 12.0 against SPRING Cube's 15.0. 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.

SPRING Cube ships an update fortnightly, B2Digital every 3 weeks. The most recent releases landed on September 9, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | SPRING Cube | B2Digital |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | — | Free |
| Size | 66 MB | 34 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SPRING s.r.l.](https://appshunter.io/developer/1499980148) | [B2DIGITAL S.R.L.](https://appshunter.io/developer/1661924195) |

## What reviewers say

### SPRING Cube

[App page](https://appshunter.io/ios/app/spring-cube/id1621707702)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is SPRING Cube free?

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

### Is B2Digital free?

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

### Do SPRING Cube or B2Digital have ads?

Neither SPRING Cube nor B2Digital shows ads.

### Which is updated more often, SPRING Cube or B2Digital?

SPRING Cube ships an update fortnightly, and B2Digital every 3 weeks. Most recently, SPRING Cube was updated on September 9, 2026 and B2Digital on June 11, 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.*