# NBR Digital Stamp vs RI Events

The clearest difference is update cadence: RI Events at every 3 months against NBR Digital Stamp's every 21 months. NBR Digital Stamp's advantage is iOS requirement (12.2 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

NBR Digital Stamp ships an update every 21 months, RI Events every 3 months. The most recent releases landed on October 25, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | NBR Digital Stamp | RI Events |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 3 months** |
| Size | 60 MB | 63 MB |
| Requires iOS | **12.2** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [National Bureau for Revenue](https://appshunter.io/developer/1614833811) | [Reconnaissance International Ltd](https://appshunter.io/developer/1301972858) |

## What reviewers say

### NBR Digital Stamp

[App page](https://appshunter.io/ios/app/nbr-digital-stamp/id1614833809)

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

**In-app purchases:** none


### RI Events

[App page](https://appshunter.io/ios/app/ri-events/id6444157103)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NBR Digital Stamp free?

NBR Digital Stamp is free to download, with no in-app purchases.

### Is RI Events free?

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

### Do NBR Digital Stamp or RI Events have ads?

Neither NBR Digital Stamp nor RI Events shows ads.

### Which is updated more often, NBR Digital Stamp or RI Events?

NBR Digital Stamp ships an update every 21 months, and RI Events every 3 months. Most recently, NBR Digital Stamp was updated on October 25, 2026 and RI Events on October 1, 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.*