MailMaestro vs What’s up AI (2026): Pricing, Features & Which to Choose

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

Lower starting price
Not comparable
Not comparable: What’s up AI does not list a price
Free plan
Tie
Both have one
Higher rating
MailMaestro
4.1 against 3.4
Same job?
Yes
Both are Productivity tools

Side by side

Compared on	MailMaestro	What’s up AI
Our rating	4.1Better	3.4
Starts at	$12/mo	Free
Free plan	Yes	Yes
Category	Productivity	Productivity
Plans	From $12/mo	Free
Key features	AI email drafting with three variation options per prompt Automatic thread summarization Context-aware reply suggestions Action item and deadline detection Smart labeling and priority tagging	Voice message transcription, translation, and summarization Works directly inside WhatsApp and similar messaging apps Supports 10+ languages including English, German, Chinese, Japanese Text message translation and summarization too Press-and-hold action, no separate app switching
Pros	Free tier available with no credit card required Native Outlook and Gmail integration avoids switching tools Highly rated on both the Microsoft Outlook store and Chrome Web Store	Summarization saves real time on long voice messages, not just transcription Works directly inside the messaging app - no copying content elsewhere Broad language support covers many common message-translation needs
Cons	Full feature depth, including advanced summarization, concentrates in the paid Pro tier Per-seat pricing adds up for larger sales or support teams Companion products TeamsMaestro and Maestro Duo are separate subscriptions	iPhone-only - no Android version available In-app purchases required for full Pro membership features Translation/summarization accuracy will vary by audio quality and accent
Company	Maestro Labs, founded 2023	Christoph Doeffinger

Prices come from each vendor's pricing page, last checked 20260824. Check the vendor before you buy.

FAQ

Questions people ask

Is MailMaestro better than What’s up AI?

In our reviews MailMaestro scores 4.1 and What’s up AI scores 3.4. The better pick depends on the job. MailMaestro: AI email assistant that drafts, summarizes, and manages messages directly inside Outlook and Gmail. What’s up AI: Long voice message you don't have time for? AI transcribes, translates, and summarizes it right inside WhatsApp and similar apps - supports English, German, Chinese, and more.

Which is cheaper, MailMaestro or What’s up AI?

MailMaestro: from $12/mo. What’s up AI: free.

Do MailMaestro and What’s up AI have free plans?

Yes, both have a free plan.

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