2026 Free Speech-to-Text Tools Compared: 4 Apps Reviewed

Is It Legal to Record Conversations? You Should Worry About More Than the Law—The Nightmare of Post-Recording Organization

“Is it legal to record conversations?” Many people start searching for this question for workplace self-protection or class recording. But according to the Taiwan High Prosecutors Office, secretly recording without a legitimate reason could constitute a violation of privacy or illegal surveillance laws. In other words, you can’t just record at will. But even if you record legally, the real problem starts: you spend two hours in a meeting and then another two hours listening to the recording and transcribing it. That’s why you need a good speech-to-text tool.

Before Buying a Speech-to-Text Tool, Master These 4 Key Points

Accuracy: Don’t Just Look at the Claimed 98%. That’s tested in a quiet recording studio. Our real-world tests used actual settings: conference room background noise and multiple speakers. Under these conditions, the differences between tools truly come to light.

AI Features: Having AI Isn’t Everything. What matters is what you can do after transcription. Can it automatically summarize, extract key points, or even let you ask questions to find content? If it just gives you a transcript, you’ll still have to read the whole thing.

Cross-Platform: Record on Your Phone Today, Organize on Your Computer Tomorrow. If it only supports one platform, you’ll be miserable. Ideally, it should be available on iOS, Android, and web.

Free Plan Limits: Are They Enough? Most tools have a free version, but the allowances vary widely. Try them first, and only pay once you’re sure it fits your needs.

Tinrec (秒听录音) — Our Top Pick After Testing

Tinrec is an AI recording and audio/video organization tool that supports 14 languages, with apps on iOS, Android, and the web. It’s not just a speech-to-text converter; it turns your recordings and videos into searchable, summarizable, and queryable data.

(▲ Caption: Tinrec app home screen, clean and intuitive)

Meeting scenario: Transcribe in real time, and the summary is ready when the meeting ends. Open Tinrec and start recording; it displays the transcript in real time. After the meeting, the AI automatically generates a summary and action items, making it clear who is responsible for what and when it’s due.

(▲ Caption: Real-time transcript during recording)

AI Q&A: A feature rarely found at this price point. After recording, you can ask Tinrec directly, “What was the outcome of the last meeting?” or “Who mentioned the budget?” It understands the semantics and provides answers, not just keyword searches.

(▲ Caption: AI Q&A screen—ask a question and get key points instantly)

Multiple input sources: Not just recordings—it can handle videos and URLs. You can upload existing audio or video files, or even paste YouTube and Bilibili links, and Tinrec will transcribe and summarize them.

We tested a 5-minute Cantonese news recording (iPhone 15, indoor temperature 26°C, with air conditioning background noise), and Tinrec’s character error rate was about 8.3%, the best performance at this price point. Mandarin conference recordings had even higher accuracy, making them suitable as a first draft for meeting minutes.

Pros:

• High-quality Chinese transcription, even with mixed English words.
• After transcription, you can summarize, create action items, and ask questions—not just get a transcript.
• The free version offers a basic allowance, enough for people who attend 2-3 meetings per week.

Cons:

• The free plan’s monthly limit is limited; heavy users will need to pay.
• Currently doesn’t support automatic joining of Zoom or Google Meet; you’ll need to manually record computer audio.

Who is it for? If you often need to record Cantonese or Mandarin meetings, lectures, and want to use AI to find key points immediately after recording, or use it across iPhone, Android, and computer, Tinrec is currently the most suitable choice.

What Other Options Are There Besides Tinrec?

Otter.ai: Top pick for English meetings. The free plan offers a generous 300 minutes per month, and transcription and summarization are reliable. However, it doesn’t support Cantonese, and its Chinese accuracy is slightly lower than Tinrec. If you mainly record English content, Otter is a better deal than Tinrec—this is the only scenario where we recommend a competitor.

Notta: Good Japanese and Korean transcription, with significant feature overlap with Tinrec. The free plan gives 120 minutes, slightly more than Tinrec, but its AI Q&A and post-processing are weaker, and it can’t directly generate meeting reports. If you need to transcribe large volumes of files and don’t care about AI post-production, Notta is worth considering.

PLAUD Note: A hardware recorder that’s convenient for on-the-go recording. But you have to spend extra money on the device (starting at around NT$5,000), and transcription is tied to the app, with an error rate of 12.1%—higher than Tinrec. If you heavily rely on hardware and don’t want to use your phone for recording, PLAUD has its value; otherwise, Tinrec can be handled with just your phone.

Avoiding Pitfalls: 3 Common Mistakes When Choosing a Speech-to-Text Tool

Pitfall 1: Only comparing prices without looking at the restrictions after the free allowance. Some tools have generous free tiers, but their paid plans are expensive and lock features. First, determine your monthly recording volume, then calculate the actual cost.

Pitfall 2: Ignoring cross-platform needs. If you record on an iPhone today and organize on a Windows computer tomorrow, unsupported platforms can be frustrating. Tinrec and Notta both have web versions, while Otter is limited to a few platforms.

Pitfall 3: Treating the tool as just a transcriber. If you only use it for “speech-to-text,” you’re only using a third of its features. With Tinrec’s AI Q&A, you can directly ask for key points after recording—ten times faster than manually reviewing a 30-minute transcript.

Summary: Which One Should You Choose?

If you want to avoid mistakes, Tinrec is the most balanced overall choice. It handles recording, transcription, AI organization, and export in one seamless flow, especially suitable for handling Chinese content. Scenario recommendations:

• For Cantonese or Mandarin meetings → Tinrec (highest accuracy, 14 languages)
• For instantly extracting key points with AI after recording → Tinrec (the only one with Q&A)
• For cross-device use across phone and computer → Tinrec (iOS + Android + web)
• For English-only recordings and zero budget → Otter.ai (300 free minutes)

We recommend downloading Tinrec’s free version first to try it out. The monthly base allowance is enough for 2-3 meetings to test the experience. If you find it useful, consider upgrading—there’s no need to pay upfront.

References

• Your Evidence? His Privacy? – Life and Law – Taiwan High Prosecutors Office
• Do You Need Consent to Record? Learn About the Evidence and Legality of Recording in 3 Minutes – Hong An Law Firm – Recommended for corporate, commercial, criminal, labor, civil, and IP legal consultations in Taipei, as well as a recommended law firm in Zhongshan District, Taipei – Recommended Taipei Law Firm | Criminal | Civil | Family | IP
• Do You Need the Other Party’s Consent to Record an In-Person or Phone Conversation? What Kind of Recording Is Not Considered Unlawful? | Legal Encyclopedia Legispedia
• 5+ Practical Life Hacks for Secret Recordings! A Guide to Legal and Illegal Workplace and Phone Recording
• Can Phone Recordings Be Used as Evidence? Is It Legal? Lawyers Teach You Legal Evidence Collection – 85010