Blue Notifier vs Blau
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Blue Notifier
Stay informed about the fluctuating value of the US dollar in Argentina. Track its historical changes and understand its evolution.
- Dollar blue rate notifications
- Explore currency value evolution
- Track historical changes
- Finance app
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Recibe notificaciones del cambio del valor del dólar Blue y explora la evolución del valor de esta particular moneda.
Blau
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.
- Real-time Official Dollar rates
- Real-time Blue Dollar rates
- Compare rates with and without taxes
- Compare with other currencies
- Argentina-focused finance tool
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See the current exchange rates of the Official Dollar and Blue Dollar (parallel) in Argentina. Easily compare the Official Dollar and Blue Dollar (parallel) rates with and without taxes. You can also compare the exchange rates with many other currencies.
Screenshots
Verdict
The clearest difference is rating: Blau at 5.0 against Blue Notifier's 4.0. Blau also leads on ads (none vs shown) and update cadence (monthly vs every 3 months). Blue Notifier's advantage is in-app purchases (none vs 1) and iOS requirement (15.6 vs 17.0). On price, ratings volume and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Blau sells 1 one-off in-app purchase. Blue Notifier asks for nothing beyond the download.
Blau holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 3 respectively.
Blue Notifier ships an update every 3 months, Blau monthly. Both last shipped on November 3, 2026.
| Parameter | Blue Notifier | Blau |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 | 3 — better |
| Update frequency | Every 3 months | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 39 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Gabriel Yordi | David Walter |
Customer experience
Blue Notifier
Blau
In-app purchases
Blue Notifier
No in-app purchases
Blau
- Tip$0.99
Questions
Is Blue Notifier free?
Is Blau free?
Which has better reviews, Blue Notifier or Blau?
Do Blue Notifier or Blau have ads?
Which is updated more often, Blue Notifier or Blau?
Other comparisons
