Comparison

Circleback vs Thought Spark

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

Head to head
About

Circleback

This AI-powered tool enhances meeting productivity by automatically recording, transcribing, and summarizing discussions. It identifies speakers, assigns action items, and allows you to search across all your meetings for specific information. Integrations with popular productivity apps and support for over 100 languages make it a versatile solution.

Highlights
  • AI-powered meeting transcription
  • Automatic speaker identification
  • Action item assignment
  • Searchable meeting history
  • Integrations with productivity apps
  • Multi-language support
Features
Read full description

Circleback records, transcribes, and turns every conversation into clear, actionable notes you can search in seconds. Stop worrying about taking notes, missing decisions, or forgetting follow-ups. Circleback captures your meetings, online or in-person, and gives you a transcript and notes you can trust. What Circleback does for you • Record meetings automatically with high-quality audio, online or in-person. • Get accurate AI-powered transcripts with automatic speaker identification. • Get notes that highlight key points, decisions, and action items. • Turn meetings into to-dos and follow-ups so next steps are never lost. • Import phone call recordings, voice memos, and audio from other apps to get a transcript and notes. • Ask questions across your meetings, like "What did we decide about pricing last week?", and get answers with cited sources. • Search everything by keyword, speaker, topic, or decision in seconds. Apple Watch Record in-person meetings straight from your wrist, no iPhone required. Add the Circleback complication to your watch face and start recording with one tap. When the meeting ends, you'll get a transcript and notes in Circleback, just like any other meeting. Built for how you work Circleback fits into your existing tools and workflows. It works great for 1:1s, team meetings, customer calls, interviews, standups, project reviews, talks, and conferences, and it's ideal for founders, product teams, sales, customer success, recruiting, and operations. Automations and integrations Use Circleback's automations to push insights where your work happens. Send notes to Slack, Notion, Linear, monday.com, Zapier, and more, and sync meeting outcomes to Salesforce, HubSpot, Attio, Zoho, and other systems of record. 100+ languages supported Circleback can transcribe and take notes in over 100 languages, including English, Spanish, French, Portuguese, Dutch, German, Italian, Japanese, Korean, Chinese, Turkish, Russian, and more. Privacy and security you can trust Your data is private and secure. Circleback is SOC 2 Type II and EU-U.S. Data Privacy Framework certified, HIPAA and GDPR compliant, and uses industry-leading practices to protect customer data, including encryption at-rest and in-transit. Circleback does not use customer data to train models. Learn more at security.circleback.ai.

About

Thought Spark

Capture fleeting thoughts instantly through voice or text, then use AI to refine them with targeted questions. Research your ideas by scanning the web for context and prior art. Turn concepts into actionable tasks, reminders, and calendar events.

Highlights
  • Instant voice and text capture
  • AI-guided idea refinement
  • Web-based idea research
  • Actionable task generation
  • Cross-platform synchronization
  • Automatic transcription and titling
Features
Read full description

Every good idea starts as a spark — and most of them vanish before you do anything with them. Thought Spark catches them the instant they strike. Capture in seconds. Tap once and talk, or type. Thought Spark transcribes and titles your idea automatically. Sharpen it. A short, AI-guided interview asks the right questions to turn a vague notion into something clear — tuned to how you think (founder, writer, researcher, designer, PM). Research it. Send your idea to the web: Thought Spark scans for prior art, key context, risks, and directions worth exploring, with sources. Act on it. Turn an idea into reminders, a calendar work-block, and concrete next steps — so it actually moves. Your ideas stay on your device. Capture and basic features are free; Pro unlocks unlimited refining and deep web research. Start with a 7-day free trial of Pro — unlimited refining and deep web research. Pro is an auto-renewing subscription ($7.99/month or $49.99/year). Payment is charged to your Apple ID; it renews unless cancelled at least 24 hours before the period ends; manage or cancel anytime in your Apple ID settings. Terms of Use (EULA): https://thoughtsparkapp.com/terms.html Privacy Policy: https://thoughtsparkapp.com/privacy.html

Screenshots

Circleback4 screens
Thought Spark4 screens

Verdict

The call

The clearest difference is review sentiment: Thought Spark at 100% against Circleback's 43%. Thought Spark also leads on rating (5.0 vs 4.8). Circleback's advantage is in-app purchases (none vs 2) and update cadence (every 2 days vs every 4 weeks). On price, ads, monetization model and iOS requirement 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. Thought Spark sells 2 in-app purchases, starting at $7.99 per month. Circleback asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Thought Spark holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Circleback has 270 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 43% of Circleback's written reviews are positive against 100% of Thought Spark's.

UpkeepUpdate frequency

Circleback ships an update every 2 days, Thought Spark every 4 weeks. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

Scorecard6 real differences · 4 level
Circleback versus Thought Spark: the parameters behind the verdict, then further details
ParameterCirclebackThought Spark
PriceFreeFree
Rating4.8 (270 ratings)5.0 (1 ratings) — better
Positive reviews42.9% of reviews100.0% of reviews — better
Number of ratings270 — better1
Update frequencyEvery 2 days — betterEvery 4 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS16.4 — better17.0
Further details — not scored
Size73 MB2 MB
Age rating4+4+
DeveloperCircleback AI, IncEdventure Design LLC

Customer experience

Circleback

All ratings270 ratings
Positive95.6%
Neutral0.7%
Negative3.7%
Written reviews7 reviews
Positive42.9%
Neutral14.3%
Negative42.9%

Thought Spark

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Circleback

No in-app purchases

2 purchases

Thought Spark

Subscriptions2
  • Thought Spark Pro (Monthly)7 Days trial$7.991 Month
  • Thought Spark Pro (Yearly)$49.991 Year

Questions

Is Circleback free?
Circleback is free to download, with no in-app purchases.
Is Thought Spark free?
Thought Spark is free to download, with in-app purchases available.
Which has better reviews, Circleback or Thought Spark?
Thought Spark is rated higher. Circleback averages 4.8 out of 5 from 270 ratings, while Thought Spark averages 5.0 from 1 ratings.
Do Circleback or Thought Spark have ads?
Neither Circleback nor Thought Spark shows ads.
Which is updated more often, Circleback or Thought Spark?
Circleback ships an update every 2 days, and Thought Spark every 4 weeks. Most recently, Circleback was updated on October 28, 2026 and Thought Spark on October 25, 2026.

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