Comparison

Circleback vs Naruko SIP

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

Naruko SIP

Features
Read full description

Naruko SIP は、SIP(VoIP)に対応したシンプルで使いやすいソフトフォンアプリです。 お手持ちの SIP サーバー / PBX の情報を登録するだけで、iPhone を会社の内線・IP電話として利用できます。 ■ 主な特長 ・かんたんSIPアカウント設定:SIPサーバー、ユーザー名、パスワード、トランスポート(UDP/TCP/TLS)を入力するだけ ・使い慣れたダイヤルパッドでスピーディに発信 ・複数のSIPアカウントを登録して切り替え可能 ・バックグラウンドでも着信を受けられるVoIP対応 ・Keep-Alive(OPTIONS)など実用的な詳細設定 ・落ち着いたデザインのシンプルなUI ■ こんな方におすすめ ・会社のPBX/クラウドPBXの内線をスマホで使いたい ・外出先や在宅勤務で会社の電話を受けたい・かけたい ・専用端末を増やさずにIP電話を使いたい ご利用にはSIPアカウント(SIPサーバー/ユーザー名/パスワード等)が必要です。 SIP通話の音声や認証情報は、お客様が設定したSIPサーバーとの間でのみ送受信され、当社が収集することはありません。

Screenshots

Circleback4 screens
Naruko SIP4 screens

Verdict

The call

The clearest difference is update cadence: Circleback at every 3 days against Naruko SIP's every 9 days. Naruko SIP's advantage is iOS requirement (13.0 vs 16.4). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Circleback ships an update every 3 days, Naruko SIP every 9 days. The most recent releases landed on September 23, 2026 and September 9, 2026 respectively.

Scorecard2 real differences · 8 level
Circleback versus Naruko SIP: the parameters behind the verdict, then further details
ParameterCirclebackNaruko SIP
PriceFreeFree
Rating4.8 (246 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings246 — better—
Update frequencyEvery 3 days — betterEvery 9 days
AdsNoNo
In-app purchasesNoNo
MonetizationFreemium—
DevicesiPhone, iPad, Apple WatchiPhone, iPod, Mac
Requires iOS16.413.0 — better
Further details — not scored
Size77 MB43 MB
Age rating4+4+
DeveloperCircleback AI, IncRINGING INC

In-app purchases

None

Circleback

No in-app purchases

None

Naruko SIP

No in-app purchases

Questions

Is Circleback free?
Circleback is free to download, with no in-app purchases.
Is Naruko SIP free?
Naruko SIP is free to download, with no in-app purchases.
Do Circleback or Naruko SIP have ads?
Neither Circleback nor Naruko SIP shows ads.
Which is updated more often, Circleback or Naruko SIP?
Circleback ships an update every 3 days, and Naruko SIP every 9 days. Most recently, Circleback was updated on September 23, 2026 and Naruko SIP on September 9, 2026.

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