# Blau vs NexSub

The clearest difference is in-app purchases: NexSub at none against Blau's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Blau sells 1 one-off in-app purchase. NexSub asks for nothing beyond the download.

Blau ships an update monthly, NexSub every 3 weeks. The most recent releases landed on September 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Blau | NexSub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/blau-dollar-blue/id6449096046/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 40 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David Walter](https://appshunter.io/developer/573155251) | [Ahmad Alhashemi](https://appshunter.io/developer/1893725769) |

## What reviewers say

### Blau

[App page](https://appshunter.io/ios/app/blau-dollar-blue/id6449096046)

Track the real-time exchange rates for Argentina's Official Dollar and Blue Dollar. Compare rates with and without taxes, and see how they stack up against other global currencies.

**Highlights:** Real-time Official Dollar rates, Real-time Blue Dollar rates, Compare rates with and without taxes, Compare with other currencies, Argentina-focused finance tool

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip | $0.99 | one-time |


### NexSub

[App page](https://appshunter.io/ios/app/nexsub-subscription-tracker/id6762528133)

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

**In-app purchases:** none


## Frequently asked questions

### Is Blau free?

Blau is free to download, with in-app purchases available.

### Is NexSub free?

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

### Do Blau or NexSub have ads?

Neither Blau nor NexSub shows ads.

### Which is updated more often, Blau or NexSub?

Blau ships an update monthly, and NexSub every 3 weeks. Most recently, Blau was updated on September 25, 2026 and NexSub on October 7, 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.*