Comparison

Otter Transcribe Voice Notes vs SourceWhale

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Otter Transcribe Voice Notes

This app offers real-time voice transcription for meetings, lectures, and conversations. It acts as an AI assistant, capturing slides, generating summaries, and allowing for collaborative editing and sharing of notes. Available in multiple languages and on web.

Highlights
  • Real-time transcription
  • Automated meeting notes & summaries
  • AI Chat for answers
  • Record & transcribe live
  • Share & collaborate
  • Searchable notes
  • Automated slide capture
Read full description

Never take meeting notes again. Otter AI is the fastest way to transcribe voice in real time. Get a meeting assistant that records audio, writes notes, automatically captures slides, and generates summaries. Available in English, Spanish, French and Japanese. Otter AI is also available on the web. Start for free. Trusted by over 10 million people and featured by Apple as "App of the Day" and "Editors' Choice." Automated meeting notes for Zoom, Google Meet, Microsoft Teams, and more. Stay connected and collaborative when you work from home. Otter transcribes all your meetings, interviews, lectures, and everyday voice conversations in real time, so you can focus on the discussion. KEY FEATURES • AI Meeting Assistant: get automated meeting notes & summaries • AI Chat: get answers and generate content • AI Channels: combine live conversations with async updates. Chat with teammates. • Record & transcribe live • Automated meeting notes & summaries • Share & collaborate • All notes are searchable & shareable • Edit & highlight • Organize & export • Import & sync Looking for a specific feature? Here are the details: RECORD & TRANSCRIBE LIVE • Instantly record in one tap • Transcribe in real time • Highlight key points to review later • Insert photos of whiteboard discussions, slides, etc. • Input audio via built-in mic or Bluetooth device ENRICH NOTES WITH AI • Gather information across all your conversations • Ask questions about a specific meeting • Generate follow- up emails • Automated Slide Capture during virtual meetings • Generate summary, outline and keywords after all meetings • Punctuate, capitalize, and break paragraphs automatically SHARE & COLLABORATE • Invite group members to view, edit, and highlight collaboratively • Add comments and assign action items • Share links externally SEARCH & PLAYBACK • Search the text so you don't have to scrub through the whole audio • Playback at adjustable speeds • Follow along the highlighted word as the audio is playing • Tap on any word to jump the audio to that spot EDIT & HIGHLIGHT • Edit the text to correct any errors • Tag the speakers to label the paragraphs and train Otter to identify speakers too • Highlight sentences in one tap IMPORT & SYNC • Import audio and video files • Upload from other call recording apps • Sync your calendars to be reminded to record your meetings and auto-title your notes • Import your contacts for easy sharing OPTIMIZED FOR iOS • Start/Stop recording with Siri Shortcut & home widget • Record via AirPods • Sync with iOS Calendar, Contacts & Camera Otter Pro Get more playback speeds, skip silence, and bulk export. Payment will be charged to your iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. You can manage your subscriptions in Settings and auto-renewal may be turned off by going to your Account Settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription. Need help? Check out our Help Center: https://help.otter.ai Terms of Service: https://otter.ai/terms-of-service Privacy Policy: https://otter.ai/privacy-policy

About

SourceWhale

Features
Read full description

SourceWhale brings recruiter productivity to your phone - helping you manage conversations, take action faster, and stay on top of every interaction. Your CRM tracks what happened. SourceWhale makes things happen.

Screenshots

Otter Transcribe Voice Notes4 screens
SourceWhale4 screens

Verdict

The call

The clearest difference is in-app purchases: SourceWhale at none against Otter Transcribe Voice Notes's 10. Otter Transcribe Voice Notes's advantage is chart position (#11 vs unranked). On price, update cadence, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Otter Transcribe Voice Notes sells 9 in-app purchases, starting at $16.99 per month. SourceWhale asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on September 25, 2026 and September 18, 2026 respectively.

Scorecard2 real differences · 9 level
Otter Transcribe Voice Notes versus SourceWhale: the parameters behind the verdict, then further details
ParameterOtter Transcribe Voice NotesSourceWhale
PriceFreeFree
Rating4.8 (79K ratings) — better—
Positive reviews55.0% of reviews—
Number of ratings79K — better—
Update frequencyFortnightlyFortnightly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
Best chart rank#11 — better—
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.015.1 — better
Further details — not scored
Size219 MB38 MB
Age rating4+4+
DeveloperOtter.ai, Inc.Source Whale

Bugs and requests

Otter Transcribe Voice Notes

Reported bugs

3 issues
  • Microphone not working consistently
  • Transcription stops unexpectedly during recordings
  • Difficulty organizing and managing recorded files

Requested features

5 requests
  • Ability to record and transcribe phone calls
  • Improved editing and formatting capabilities
  • Integration with note-taking apps and cloud storage
  • Custom vocabulary training and speaker recognition
  • Offline transcription mode

SourceWhale

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

Otter Transcribe Voice Notes

Subscriptions9
  • Otter Pro (monthly)2 variants$16.991 Month
  • Otter Pro (monthly)7 Days trial$16.991 Month
  • Otter Business (monthly)$30.001 Month
Show 6 more
  • Otter Business (monthly)7 Days trial$30.001 Month
  • Otter Pro (Yearly)$99.991 Year
  • Otter Pro (yearly)$99.991 Year
  • Otter Pro (yearly)7 Days trial$99.991 Year
  • Otter Business (yearly)$239.991 Year
  • Otter Business (yearly)7 Days trial$239.991 Year
None

SourceWhale

No in-app purchases

Questions

Is Otter Transcribe Voice Notes free?
Otter Transcribe Voice Notes is free to download, with in-app purchases available.
Is SourceWhale free?
SourceWhale is free to download, with no in-app purchases.
Do Otter Transcribe Voice Notes or SourceWhale have ads?
Neither Otter Transcribe Voice Notes nor SourceWhale shows ads.
Which is updated more often, Otter Transcribe Voice Notes or SourceWhale?
Otter Transcribe Voice Notes ships an update fortnightly, and SourceWhale fortnightly. Most recently, Otter Transcribe Voice Notes was updated on September 25, 2026 and SourceWhale on September 18, 2026.

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