# NB vs 13xpress

The clearest difference is update cadence: 13xpress at every 2 days against NB's every 9 months. 13xpress also leads on iOS requirement (13.0 vs 17.6). 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.

NB ships an update every 9 months, 13xpress every 2 days. The most recent releases landed on November 10, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | NB | 13xpress |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (11 ratings)](https://appshunter.io/ios/app/nb/id354890571/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 77.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 0 MB | 86 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Brewalan Le Dru](https://appshunter.io/developer/354890574) | [Yves AMANGOUA](https://appshunter.io/developer/1668356709) |

## What reviewers say

### NB

[App page](https://appshunter.io/ios/app/nb/id354890571)

This utility app converts numbers into their written word form. It's useful for writing checks or when unsure about grammatical rules for numbers. It also supports regional variations and ordinal numbers.

**Highlights:** Number to word conversion, Supports Belgian and Swiss variants, Includes ordinal adjectives, Useful for check writing, Grammar assistance for numbers

**Features:** Vision Pro support

**In-app purchases:** none


### 13xpress

[App page](https://appshunter.io/ios/app/13xpress/id6753896813)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NB free?

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

### Is 13xpress free?

13xpress is free to download, with no in-app purchases.

### Do NB or 13xpress have ads?

Neither NB nor 13xpress shows ads.

### Which is updated more often, NB or 13xpress?

NB ships an update every 9 months, and 13xpress every 2 days. Most recently, NB was updated on November 10, 2026 and 13xpress on November 9, 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.*