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Test scope & comparison notes
These are recorded facts, not a unified ranking. Tested tiers and scope are not consistently recorded. Read pricing with its date and timing with its conditions. Privacy observations reflect visible flows and statements, not a security audit.
Cross-task capability coverage across selected products
Each product is scored independently per task edge; switch tasks below while keeping shared products selected| Task edge | riverside.fm | voysum.com | Switch / compare |
|---|---|---|---|
| Audio transcription | 95/100 SRT · Output attached | 70/100 JSON · Output attached | Active task |
| Video compression | Not tested in topic | 93/100 MP4 · Output attached | Compare in task topic → |
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Browse this task →| Criterion | Riverside Audio transcription 95/100 Seven-aspect task score Riverside Free Audio & Video Transcription delivered outstanding performance on our 38.86s speech anchor, achieving 100.0% keyword recall with flawless capture of verification tokens and financial numbers, delivering millisecond-accurate native .srt and .txt downloads in 6.5s server ASR (8.2s end-to-end) for an overall score of 95. Tested export SRT · Output attached Historical test · 2026-11-03 | Voysum Audio transcription 70/100 Seven-aspect task score Voysum demonstrated remarkable cloud processing speed in the 38.86s English speech benchmark, completing transcription in 3.85 seconds with 6 export options including TXT, SRT, VTT, and JSON. However, the transcript omitted the mid-section between 13s and 30s, yielding a 63.2% word accuracy; the free tier offers 120 minutes/month with zero export watermarks. Tested export JSON · Output attached Historical test · 2026-11-05 |
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| Pricing & rules | ||
| Pricing plans | Riverside creator and recording studio subscription plans · 2026-10-30 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free Trial2026-10-30 ↗ Free Free Free 2 hours of separate track downloads, up to 720p video recording Try local multi-track recording, text-based editing, and AI transcription；Exported videos contain watermark, 2 hours total separate track downloads Pro (Monthly)2026-10-30 ↗ USD 35/month — Monthly 15 hrs of separate track downloads/month, up to 4K video, 48kHz audio, no watermark Unlimited transcriptions, text-based editing, Magic Audio cleanup, Magic Clips Grow (Monthly)2026-10-30 ↗ USD 45/month — Monthly 20 hrs separate track downloads/month, 2 studios, 1080p live multistreaming Multistreaming, social scheduling, AI thumbnails, custom studio links Pro (Annual Equivalent)2026-10-30 ↗ — Annual price not verified Annual Card displays $24/month billed yearly, 15 hrs separate tracks/mo, ~20% savings Displays $24/month equivalent billed annually; total annual bill not stated on card. Grow (Annual Equivalent)2026-10-30 ↗ — Annual price not verified Annual Card displays $34/month billed yearly, 20 hrs separate tracks/mo, ~20% savings Displays $34/month equivalent billed annually; total annual bill not stated on card. 5 plan / billing-period records, all listed; — means that period is not recorded. Free trial provides 2 hours separate tracks; Pro costs $35/mo ($24/mo equiv billed yearly) with 15h separate tracks and unlimited transcriptions; Grow costs $45/mo ($34/mo equiv billed yearly) with 20h separate tracks; annual cards list monthly equivalents. Verification has gaps; unknown prices and quotas are not inferred. Cancellation, sources & verification recordCancellation and refund terms unverified Riverside Official Pricing Page ↗ · 2026-10-30 Capture 1 ↗ | Official web personal free tier, monthly and annual subscription tiers; on-device utilities 100% free · 2026-11-05 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free2026-11-05 ↗ Free Free Free 120 minutes/month, up to 3 transcriptions/day, 30 min/file, up to 100 MB Cloud speech-to-text, editable transcripts, TXT and subtitle exports；Up to 3 tasks per day, account required, max 30 min and 100 MB per file Starter (Monthly)2026-11-05 ↗ USD 7/month — Monthly 1,200 minutes / month All Free features, editable transcripts, TXT/SRT/VTT/CSV exports, private processing Pro (Monthly)2026-11-05 ↗ USD 18/month — Monthly 6,000 minutes / month All Starter features, 5x monthly minutes, Stripe billing portal access Starter (Annual)2026-11-05 ↗ — USD 70/year Annual 1,200 minutes / month All Starter features, TXT/SRT/VTT/CSV exports, private processing；$70/year billed annually, equivalent to $5.83/month Pro (Annual)2026-11-05 ↗ — USD 180/year Annual 6,000 minutes / month All Pro features, 6,000 min/mo, Stripe billing portal；$180/year billed annually, equivalent to $15.00/month 5 plan / billing-period records, all listed; — means that period is not recorded. Free tier provides 120 min/month without credit card, up to 3 files/day, 30 min/100 MB per file. Starter costs $7/month or $70/year ($5.83/mo equivalent); Pro costs $18/month or $180/year ($15.00/mo equivalent). Stripe securely handles checkout. Cancellation, sources & verification recordCancellation and refund terms unverified Voysum Official Homepage ↗ · 2026-11-05 Capture 1 ↗ Voysum Official Pricing ↗ · 2026-11-05 Capture 1 ↗ · Capture 2 ↗ |
| Free & trial allowance on the test date | Not verified | Free tier grants 120 minutes per month (up to 3 files/day, 30 min/file, 100 MB upload limit) |
| Cancellation & refunds | Not verified | Not verified |
| Disclosure of costs & limits | Not verified | Upload immediately triggers asynchronous transcription with progress polling, displaying timeline and export options upon completion |
| Task quality | ||
| Measured fixture results | Word accuracy: 86.8% · Keyword recall: 100% · Verification token: Pass · Audio duration: 38.9s | Word accuracy: 63.2% · Keyword recall: 40% · Verification token: Fail · Audio duration: 38.9s |
| Fixture findings | All 10/10 keywords were accurately recalled with zero hallucination on financial amounts, exporting native .srt subtitles with millisecond timestamps. | Ultra-fast server transcription (3.85s) with 6 export formats, though mid-section skipping resulted in 63.2% word accuracy. |
| Original historical observation | Uploaded 38.86s speech anchor (anchor_transcribe_v1, audio.mp3) to Riverside free transcription tool (riverside.com/transcription); cloud Whisper ASR finished in 6.5s (8.2s end-to-end), recalling 10/10 keywords, token REALTEST-TRANSCRIBE-VERIFIED-2026, and financial figures (,850.50, 99.4%) with direct native .srt and .txt downloads (01_landing.png, 02_result.png). | Voysum cloud transcribed 38.86s audio in 3.85 seconds and provided instant TXT, SRT, VTT, and JSON downloads (02_result.png, 03_download.png). |
| Suitable uses · historical assessment | Not verified | Users needing ultra-fast transcription, versatile subtitle exports, and 120 min/month free allowance for podcasts and meetings |
| Result & output evidence | ||
| Delivery capabilities | ||
| Recorded export specifications | SRT · Output attached · Check watermark record | JSON · Output attached · No watermark in test |
| Historical specification note · not an official maximum | Not verified | Native TXT, Markdown, JSON, CSV, VTT, and SRT export (42 words, 1.0 KB JSON) |
| Watermark observation | Not verified | No watermark |
| Batch & API | Not verified | Single-file uploads with multi-format subtitle exports, accompanied by 46 client-side utilities |
| Recorded free-tier dimensions | Not verified | 1 |
| Attached file dimensions | Not verified | Not verified |
| Speed & reliability | ||
| Timing observation | Network-observed server wait: 6.5s · End-to-end reference: 8.2s | Network-observed server wait: 3.85s · End-to-end reference: 4.11s |
| Date & fixture | 2026-11-03 · anchor_transcribe_v1 · US-West (California, AS2914) | 2026-11-05 · anchor_transcribe_v1 · Cloudflare R2 / Global Worker Cluster |
| Repeated tests & reliability | No standardized repetition count, success rate or variability range is recorded. | No standardized repetition count, success rate or variability range is recorded. |
| Interaction experience | ||
| Account requirements | Not verified | Account required in this test |
| Sign-in methods | Guest access for online transcription web tool; Google OAuth, Apple ID, or email for full studio | Email registration and OAuth supported, no credit card required |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | Not verified | Not verified |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | Riverside.fm Inc. | Voysum Team |
| Recorded origin | Tel Aviv, Israel / Delaware, US | Not verified |
| Domain history record | Founded in 2020 | Not verified |
| Background & reputation assessment | Not verified | Not verified |
| External reputation record | Top-tier remote audio/video recording standard trusted by thousands of professional creators and media organizations. | Not verified |
| Engineering & privacy | ||
| Processing location | Uploaded for cloud processing | Uploaded for cloud processing |
| Third-party tracking record | Google Tag Manager · Segment · Stripe | Google Analytics · Stripe |
| Engineering & privacy assessment | Not verified | Not verified |
| Retention statement | Explicit retention period unconfirmed; inspect policy record | Explicit retention period unconfirmed; inspect policy record |
| Evaluation basis | ||
| Pricing transparency | ||
| Interaction restraint | ||
| Background & reputation | ||
| Engineering & privacy | ||
| Task quality | 60 / 65 Measured anchor metrics: word_accuracy_pct=86.8 · keyword_recall_pct=100 · token_preserved=true · duration_sec=38.9 | 30.1 / 65 Measured anchor metrics: word_accuracy_pct=63.2 · keyword_recall_pct=40 · token_preserved=false · duration_sec=38.9 · text_observed=63.2% word accuracy, 4/10 keywords recalled; mid-section 13-30s skipped · objects_observed=Exported JSON (979 bytes) with 2 structured timestamped segments · hand_observed=Both transcribed segments accurately match spoken content without hallucination |
| Deliverable specifications | 18 / 20 Clean unwatermarked export (8/8); Export spec: Native TXT, Markdown, JSON, CSV, VTT, and SRT export (42 words, 1.0 KB JSON) | |
| Processing speed | 15 / 15 Network-observed server wait: 6.5s (API mode: cloud_async_polling; network upload 1.2s / end-to-end 8.2s shown for reference only, never penalized) | 14 / 15 Network-observed server wait: 3.85s (API mode: async_poll_verified; network upload 0.26s / end-to-end 4.11s shown for reference only, never penalized) |
