Audio Diary 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
Audio Diary
3.8 against 3.4
Same job?
Yes
Both are Productivity tools

Side by side

Compared on	Audio Diary	What’s up AI
Our rating	3.8Better	3.4
Starts at	$5/mo	Free
Free plan	Yes	Yes
Category	Productivity	Productivity
Plans	From $5/mo	Free
Key features	Voice entries transcribed and analyzed with AI Automatic entry summaries Goal suggestions based on diary content Dream analysis Custom AI tagging and themes	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 plan available Speaking an entry is faster than typing for people who dislike writing Works across phone, Mac and web	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	Subscription only, with no lifetime purchase Dream analysis and deeper AI analysis sit behind the paid tier Prices are store-reported, since the site lists none	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	Soliloquy Apps Ltd	Christoph Doeffinger

Prices come from each vendor's pricing page, last checked 20261005. Check the vendor before you buy.

FAQ

Questions people ask

Is Audio Diary better than What’s up AI?

In our reviews Audio Diary scores 3.8 and What’s up AI scores 3.4. The better pick depends on the job. Audio Diary: Voice journal app for iOS, Android, macOS and web that turns spoken entries into transcripts with AI summaries, goal suggestions, dream analysis and custom tags. 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, Audio Diary or What’s up AI?

Audio Diary: from $5/mo. What’s up AI: free.

Do Audio Diary and What’s up AI have free plans?

Yes, both have a free plan.

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