Rev is a trusted name in English transcription. Hello8 was built for multilingual video localization. Here's how they compare when subtitle quality is the goal.
Rev is a U.S.-based transcription and captioning service trusted by over 750,000 customers. It is known for highly accurate English transcription powered by professional freelancers, a mobile recording app, and compliance-ready services for legal, academic, and enterprise clients. Rev supports HIPAA and SOC 2 Type II compliance.
Hello8 is a professional subtitling and video localization platform. It offers AI transcription and translation in 90+ languages with optional human review. Every subtitle is validated for reading speed, timing, and language-specific typographic rules. Its unique AI Reviewer checks conjugation, grammar, translation, hesitation, and glossary like a human would, leaving comments you can approve in one click.
A high-level overview before we get into the details.
A side-by-side look at what each platform offers for professional subtitle and transcription workflows.
Rev focuses on getting the transcription right. Hello8 goes further: AI watches your video, reads your subtitles, and tells you exactly what to fix with one-click corrections.
Rev does not offer an AI subtitle review tool. After transcription, you edit manually or export as-is.
The AI reviews your entire subtitle file proactively. It posts comments directly on problematic subtitles, each with the exact issue and a proposed fix.
Problem detected
AI scans your video and subtitles for timing, accuracy, and style issues
AI analyzes
Full context review using audio, video, and subtitle tracks together
Suggestion ready
A specific fix is proposed with a clear explanation
One-click apply
Accept the fix instantly. No copy-pasting or manual edits
Both platforms take security seriously, but they serve different compliance needs.
Hello8 is built with European data protection standards at its core.
Rev is built for U.S. compliance frameworks, especially in regulated industries.
Hello8 was purpose-built for professional subtitling and localization, not adapted from a general transcription tool.
AI handles transcription and translation. Add human review when you need it — expert linguists refine accuracy, tone, and cultural context.
Hello8's editor is built around reading speed, timing precision, and typographic quality. CPS and CPL validation happen automatically.
French guillemets, English curly quotes, German capitalization rules. Hello8 validates against the typographic standards of each target language.
Transcription, translation, and subtitling all in one platform. No jumping between tools for different steps.
End-to-end encryption, secure file handling, and data removal controls. Your content stays yours.
For large-scale projects, get a dedicated project manager, custom style guides, and SLA guarantees. Not just a self-serve platform.
Rev excels at English transcription for legal and compliance use cases. But if your subtitles will be seen by a multilingual audience, Hello8 is built for that standard.
Broadcast-ready subtitles that meet CPS and timing standards
Professional localization for documentaries, corporate videos, or marketing content
A single platform that handles transcription, translation, and subtitling
Consistent quality across 90+ languages with language-specific validation
An AI Reviewer that catches conjugation, grammar, and translation issues like a human would
Enterprise security and dedicated project management for large volumes
Rev offers competitive pricing for English transcription. Hello8 targets high accuracy across 90+ languages with its AI Reviewer catching grammar, conjugation, and translation issues automatically. Optional human review is available when you need it. For multilingual projects where re-work costs more than getting it right the first time, Hello8 delivers better value.
No. Rev focuses on transcription accuracy but does not include subtitle-specific QA tools. Hello8 validates reading speed (CPS), characters per line (CPL), and language-specific typographic rules on every subtitle file.
Rev recently added translation from English into 17 languages. Hello8 supports 90+ languages for transcription, translation, and subtitling, with language-specific QA rules built into every workflow.
Yes. Rev offers HIPAA-compliant transcription on request, which makes it a strong choice for healthcare and legal clients. Hello8 focuses on GDPR compliance and enterprise-grade encryption.
AI generates the initial transcription and translation. Hello8's AI Reviewer then checks for conjugation, grammar, translation, and hesitation issues, leaving comments you can approve in one click. For projects that need it, you can add human review as an option — expert linguists refine accuracy, tone, and cultural context.
Book a call with our team and see how Hello8 delivers subtitles you don't have to fix.