Japanese meeting transcription: 7 apps compared on the hard parts

The short answer

1. Noter AI — Japanese sits inside 60+ transcription languages with automatic language identification on every recording, so nothing is chosen beforehand. It keeps up when a Japanese meeting turns to English, records in-person meetings from a phone, and translates the summary and action items rather than just the transcript.

2. Fireflies.ai — Japanese within 100+ languages, auto-detected. The widest catalogue, but online calls only and AI summaries rationed by monthly credits.

3. Notta — Japanese is a core language for Notta, which is a Japanese-market product with a strong bilingual side-by-side view. The catch for mixed meetings: you select the language before recording.

4. Otter.ai — Japanese is one of its six supported languages and its live transcription is the best in the category, but you pick the language by hand and the summary is never translated.

5. Fathom — Japanese falls inside its 25+ languages; best free plan here; online calls only.

6. tl;dv — claims 30+ languages; sales-call focus; weak mobile app.

7. Granola — claims 30+ languages; a Mac app, so it covers desk meetings and nothing else.

What makes Japanese hard to transcribe

• There are no spaces. The model has to decide where each word begins and ends before it can choose kanji. A wrong split produces a sentence that is grammatical and wrong — the hardest kind of error to catch when you skim.
• Homophones everywhere. 機械 and 機会, 意思 and 医師, 私立 and 市立 sound identical. Only context picks the right kanji, so an unfamiliar company or product name pushes the model toward the wrong one.
• Keigo stretches every sentence. 「ご確認いただけますでしょうか」 carries a lot of syllables and very little new information, and polite endings often trail off quietly at the end of a sentence — exactly where audio quality is worst.
• Aizuchi clutters the transcript. Japanese listeners signal attention constantly: はい, ええ, なるほど, そうですね. A faithful transcript is full of them, which is correct and also makes the raw text tiring to read. This is one reason the summary matters more than the transcript in Japanese meetings than in most.
• Katakana English is constant. アジェンダ, コミット, スケジュール, plus untranslated product names in Roman letters. A tool locked to Japanese at record time will do something odd with the Roman-letter parts; a tool locked to English will fail completely.

All 7 apps compared

Notta and Otter rank higher here than they do on most language pages, because both have real Japanese support and Notta is built for this market. What still separates them from the top of the list is the same pair of columns: whether the tool has to be told the language in advance, and whether it can record a meeting held in a room.

#1 — Noter AI

Noter AI is this site's own app, so read this section with that in mind — the reasons it leads for Japanese are specific.

Nothing to configure before recording. Transcription runs on Soniox's unified speech model with automatic language identification enabled on every recording. There's no Japanese/English selector to get wrong when a client meeting turns bilingual halfway through.

Japanese and English in one meeting stay separate. Because language is tagged at the word level rather than fixed for the whole recording, a meeting where a Japanese team discusses an English-language deck comes back with each part written properly, instead of the English arriving as approximate katakana.

It records the room. Client visits, factory tours, 打ち合わせ in someone's office, a meeting over lunch. Noter records those from a phone with one tap, a Control Center widget, or Siri, and keeps recording in the background. For virtual meetings a bot joins Zoom, Microsoft Teams, Google Meet, and Webex.

Japanese in, English out — or the reverse. The executive summary, detailed analysis, and action items can be read in another language, not just the raw transcript. Japanese is one of the 18 output languages, so an English-language call can come back as a Japanese summary for a Tokyo team, and a Japanese meeting can go to an overseas head office in English.

Summaries matter more in Japanese. A faithful Japanese transcript is long — keigo and aizuchi see to that — so the executive summary and the action items with owners attached are what people actually read and forward. That's the output this app is built around.

One flat price. $9.99/month or $49.99/year covers transcription, translation, summaries, and action items, with no per-seat fees and no monthly AI credits. Rated 4.8★ on the App Store.

The honest limits. Homophone and word-boundary errors still happen, and they concentrate on company names, product names, and technical terms — the words you most want correct. Every tool on this page shares that weakness. There's also no web or desktop app, no CRM integrations, and no permanent free tier, though roughly five minutes of your own Japanese audio can be tested free first.

#2 — Fireflies: the widest catalogue

Fireflies covers Japanese inside 100+ languages with automatic detection, so it also avoids the pick-a-language trap and handles a meeting that moves between Japanese and English. With 50+ integrations, it's the strongest option for a Japanese company whose meetings all happen on Zoom or Teams and whose notes must reach Salesforce or HubSpot.

The limits: no in-person recording at all — a serious gap in a business culture where the meeting that matters often happens in a room — AI summaries rationed by monthly credits, and per-seat pricing. See the Fireflies comparison.

#3 — Notta: built for this market, wrong workflow for mixed meetings

Notta is a Japanese-market product and it shows: Japanese is a first-class language rather than an entry on a list, the bilingual side-by-side transcript view is the best in the category for producing Japanese-English documents, and it sells the Notta Memo pocket recorder if you want dedicated hardware.

What holds it back is the same thing that holds it back everywhere: no automatic language detection. You choose the language before recording starts, which is precisely wrong when a Japanese meeting includes an English-speaking participant. Its free tier caps sessions at three minutes, its mobile app is a wrapper around the web product, and its AI training default uses your data on non-Enterprise plans. See the Notta comparison.

#4–#7 — the rest

#4 Otter.ai does support Japanese — one of six languages, with English (US and UK), Spanish, French, German, and Chinese Simplified — and its live scrolling transcript is genuinely the best here. But you pick the language manually, there's no translated summary, and in-person meetings reach it only through a phone mic. See the Otter.ai comparison.

#5 Fathom lists Japanese among 25+ languages and has the most generous free plan in the category. Online calls only, no audio file import. See the Fathom comparison.

#6 tl;dv claims 30+ languages and is built around sales-call coaching. Its iOS app sits around 2★ and the free plan caps you at 10 AI summaries for the lifetime of the account. See the tl;dv comparison.

#7 Granola claims 30+ languages and captures Mac system audio with no bot in the call — fine for a Japanese meeting taken at a laptop, no help for one held anywhere else. See the Granola comparison.

Getting a cleaner Japanese transcript

• Test five minutes of a real meeting, including the company and product names you use every day. Those names are where Japanese transcription errors concentrate, so a generic sample tells you very little.
• Phone flat on the table, middle of the room, nothing over the mic. Polite sentence endings trail off quietly, and they're the first thing a muffled recording loses.
• Read the summary, not the transcript. Aizuchi and keigo make a faithful Japanese transcript long and repetitive; the summary and action items are the parts worth circulating.
• Check kanji on names and technical terms first. Homophones mean the wrong characters can read perfectly naturally, so that's where a proofread pays.
• Don't ask people to avoid katakana English. With an auto-detecting tool it isn't necessary, and no Japanese business meeting has ever managed it.

Bottom line

Japan is one of the few markets where several of these apps genuinely support the language, so the language list settles nothing. What settles it is whether the tool needs to be told the language in advance, whether it can record the meeting where it actually happens, and whether the summary — the only part anyone forwards — comes back in the language the reader needs.

Notta is strong on Japanese and weak on mixed meetings. Otter transcribes Japanese beautifully at a desk and stops there. Fireflies covers the language and can't record a room. Noter AI covers all of it — automatic detection with word-level tagging, in-person or virtual capture, and translated summaries and action items — at $9.99/month or $49.99/year.