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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 | voysum.com | kapwing.com | Switch / compare |
|---|---|---|---|
| Audio transcription | 70/100 JSON · Output attached | Not tested in topic | Compare in task topic → |
| Text to speech | Not tested in topic | 95/100 MP3 · Output attached | Compare in task topic → |
| Video compression | 93/100 MP4 · Output attached | 89/100 MP4 · Output attached | Active task |
| AI video & audio dubbing | Not tested in topic | 94/100 MP4 · Output attached | Compare in task topic → |
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Browse this task →| Criterion | Voysum Video compression 93/100 Seven-aspect task score Voysum excelled in the 3.97 MB 1080p video compression benchmark, utilizing pure browser WebAssembly to shrink file size to 0.61 MB (an 84.76% reduction) in 24.2 seconds. Full 10-second duration and audio tracks were 100% preserved with zero uploads, no login, and no watermarks, offering both excellent compression efficiency and strict privacy. Tested export MP4 · Output attached Historical test · 2026-11-05 | Kapwing Video compression 89/100 Seven-aspect task score Kapwing integrates robust video compression directly into its cloud studio. It compressed the 3.97 MB benchmark video down to 0.92 MB (a 76.72% file size reduction) while preserving 100% duration and smooth AV sync, exportable as a 720p MP4. Tested export MP4 · Output attached Historical test · 2026-11-02 |
|---|---|---|
| Pricing & rules | ||
| Pricing plans | 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 ↗ | Sitewide video creation, AI tools, and collaborative workspace pricing · 2026-10-29 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free2026-10-29 ↗ Free Free Free 10 credits, 5 GB cloud storage, video exports up to 4 minutes Basic video recording, transitions, auto-subtitling preview (up to 10 min), TTS preview (up to 1 min)；Watermarked exports, 720p resolution cap, 4-minute export length limit；Free forever；No expiration Pro (Monthly)2026-10-29 ↗ USD 24/month — Monthly 1,000 credits/month, 200 GB cloud storage, 6 GB file uploads, exports up to 2 hours No watermark, 4K resolution exports, unlimited projects, Brand Kit, collaborative workspace, up to 1,000 min/mo auto-subtitles；Auto-renews monthly at $24/month Rules [1] [2]Pro (Annual)2026-10-29 ↗ — USD 192/year Annual 1,000 credits/month, 200 GB cloud storage, 6 GB file uploads, exports up to 2 hours No watermark, 4K resolution exports, unlimited projects, Brand Kit, collaborative workspace, up to 1,000 min/mo auto-subtitles；Billed annually at $192/year ($16/mo equivalent, saves 33%) Rules [3] [4]Business (Monthly)2026-10-29 ↗ USD 64/month — Monthly 4,000 credits/month, 800 GB cloud storage Everything in Pro, voice cloning, lip sync, add-on credit purchases, up to 4,000 min/mo subtitles；Auto-renews monthly at $64/month Rules [1] [2]Business (Annual)2026-10-29 ↗ — USD 600/year Annual 4,000 credits/month, 800 GB cloud storage Everything in Pro, voice cloning, lip sync, add-on credit purchases, up to 4,000 min/mo subtitles；Billed annually at $600/year ($50/mo equivalent, saves ~22%) Rules [3] [4]Enterprise2026-10-29 ↗ Contact sales Quoted Quoted Custom credits and custom cloud storage capacity Dedicated account manager, priority support, SAML SSO, onboarding, and custom billing；Requires contacting sales for enterprise contract；Contract renewal；Per contract duration 6 plan / billing-period records, all listed; — means that period is not recorded. Free tier includes 10 credits (watermarked, up to 4 min, 720p); Pro plan is $24/mo or $192/yr ($16/mo equivalent, saves 33%); Business plan is $64/mo or $600/yr ($50/mo equivalent); Enterprise tier offers custom quotas. Cancellation, sources & verification recordCancellation and refund terms unverified Kapwing Official Pricing Page ↗ · 2026-10-29 Capture 1 ↗ |
| Free & trial allowance on the test date | Local utility is completely free with no usage quotas | Free tier allows video compression exports without credit deduction (up to 720p resolution, 4-minute limit) |
| Cancellation & refunds | Not verified | Not verified |
| Disclosure of costs & limits | Immediately inspects video metadata and presents settings with local conversion trigger | Not verified |
| Task quality | ||
| Measured fixture results | Size reduction: -84.76% · Duration retention: 100% · Video duration: 10.01s · 1080p preserved: Pass | Size reduction: -76.72% · Duration retention: 100% · Video duration: 10s · 1080p preserved: Fail |
| Fixture findings | Substantial 84.76% size reduction (0.61 MB) with 100% duration and audio retention, running locally with zero watermarks. | Delivered a 4.3x compression ratio with audio fully preserved. Server wait clocked at 30.27s. Free exports are capped at 720p with a watermark; 1080p requires Pro. |
| Original historical observation | Voysum compressed 3.97 MB video to 0.61 MB in 24.2s locally via WebAssembly with crisp visuals and zero watermarks (02_result.png, 03_download.png). | Uploaded 3.97 MB (10.0s 1080p) video. Adjusting compression slider achieved 0.92 MB export (76.72% reduction, 4.3x ratio) with 100% duration retention. |
| Suitable uses · historical assessment | Users needing efficient video compression with absolute privacy (zero uploads) | Not verified |
| Result & output evidence | ||
| Delivery capabilities | ||
| Recorded export specifications | MP4 · Output attached · No watermark in test | MP4 · Output attached · Check watermark record |
| Historical specification note · not an official maximum | 1280x720 (0.61 MB H.264 MP4 · zero watermark) | 720p MP4 video (with Kapwing watermark) |
| Watermark observation | No watermark | Not verified |
| Batch & API | Single-video interactive settings with one-click local conversion | Not verified |
| Recorded free-tier dimensions | 1280 × 720 | 1280 × 720 |
| Attached file dimensions | Not verified | Not verified |
| Speed & reliability | ||
| Timing observation | Recorded local processing time: 0s · End-to-end reference: 24.2s | Network-observed server wait: 30.27s · End-to-end reference: 30.27s |
| Date & fixture | 2026-11-05 · anchor_videocompress_v1 · Client-Side (WASM / Browser Local) | 2026-11-02 · anchor_videocompress_v1 · US-West (California, AS2914) |
| 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 | No login in this test | Not verified |
| Sign-in methods | Direct use with zero login or sign-up | Google OAuth, Apple ID, Email & Password, SAML SSO |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | Not verified | Not verified |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | Voysum Team | Kapwing, Inc. |
| Recorded origin | Not verified | San Francisco, United States |
| Domain history record | Not verified | Domain registered in 2017 |
| Background & reputation assessment | Not verified | Not verified |
| External reputation record | Not verified | Founded by former Google employees; backed by Kleiner Perkins and CRV; widely adopted worldwide. |
| Engineering & privacy | ||
| Processing location | On-device processing | Uploaded for cloud processing |
| Third-party tracking record | No third-party services listed in this record; this is not proof that none exist. | Google Tag Manager · Segment · Stripe |
| Engineering & privacy assessment | Not verified | Not verified |
| Retention statement | This flow runs locally; post-close deletion not independently verified | Explicit retention period unconfirmed; inspect policy record |
| Evaluation basis | ||
| Pricing transparency | ||
| Interaction restraint | ||
| Background & reputation | ||
| Engineering & privacy | ||
| Task quality | 62 / 65 Size Reduction: -84.76% (3.97 MB → 0.61 MB, 6.56× ratio) · Duration Retained: 100% (10.01s) · 1080p Resolution Preserved: Yes | 62 / 65 Size Reduction: -76.72% (3.97 MB → 0.92 MB, 4.3× ratio) · Duration Retained: 100% (10s) · 1080p Resolution Preserved: No |
| Deliverable specifications | 20 / 20 Clean unwatermarked export (8/8); Export spec: 1280x720 (0.61 MB H.264 MP4 · zero watermark) | 17 / 20 Clean unwatermarked export (8/8); Export spec: 720p MP4 video (with Kapwing watermark) |
| Processing speed | 12 / 15 Network-observed server wait: 0s (API mode: client_side_wasm_ffmpeg; network upload 0s / end-to-end 24.2s shown for reference only, never penalized) | 10 / 15 Network-observed server wait: 30.27s (API mode: async_verified; network upload 0s / end-to-end 30.27s shown for reference only, never penalized) |
