Circleback vs Thought Spark
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- AI-powered meeting transcription
- Automatic speaker identification
- Action item assignment
- Searchable meeting history
- Integrations with productivity apps
- Multi-language support
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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.
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.
- Instant voice and text capture
- AI-guided idea refinement
- Web-based idea research
- Actionable task generation
- Cross-platform synchronization
- Automatic transcription and titling
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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
Verdict
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
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.
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.
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.
| Parameter | Circleback | Thought Spark |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (270 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 42.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 270 — better | 1 |
| Update frequency | Every 2 days — better | Every 4 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Freemium | Freemium |
| Devices | iPhone, iPad, Apple Watch — better | iPhone |
| Requires iOS | 16.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 73 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Circleback AI, Inc | Edventure Design LLC |
Customer experience
Circleback
Thought Spark
In-app purchases
Circleback
No in-app purchases
Thought Spark
- Thought Spark Pro (Monthly)7 Days trial$7.991 Month
- Thought Spark Pro (Yearly)$49.991 Year









