Head-to-head · Lockdown Browser Software
ExamOnline vs Mercer | Mettl
ExamOnline leads on 0 checks, Mercer | Mettl on 0, and 3 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreExamOnline · 8.3/10
- Most featuresExamOnline · 3 of 4
ExamOnline scores higher on our rubric for lockdown browser software: 8.3 against 7.8 out of 10; our editors rank them #3 and #8.
ExamOnline is the better fit for organizations wanting lockdown plus proctoring. Mercer | Mettl is the better fit for employers needing assessment and proctoring breadth.
- ExamOnline fits best
Organizations wanting lockdown plus proctoring
- Mercer | Mettl fits best
Employers needing assessment and proctoring breadth
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Side by side
| Feature | ExamOnline 8.3/10 Visit ↗ | Mercer | Mettl 7.8/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.3 | 7.8 |
| Ranking | #3 in Lockdown Browser Software | #8 in Lockdown Browser Software |
| Best for | Organizations wanting lockdown plus proctoring | Employers needing assessment and proctoring breadth |
| Pricing model | Paid | Paid |
| Starting price | Pricing on request | Pricing on request |
| Free plan | Not checked yet | Not checked yet |
| Free trial | — | — |
| Deployment | Cloud, Desktop, Mobile, Browser extension, Self-hosted | Cloud |
| Platforms | Web, Windows, macOS, iOS, Android | Web |
| Support | Email, Phone, Docs · 24/7 | Email, Phone, Docs · 24/7 |
| Compliance | ISO 27001, GDPR | SOC 2, ISO 27001, GDPR, SSO/SAML, 2FA |
| Integrations | 3 integrations | 20 integrations |
| Built for | Mid-market, Enterprise | Mid-market, Enterprise |
| Features ExamOnline 3/4 · Mercer | Mettl 0/4 | ||
| Blocks app switching | ✓ (best) | Not checked yet |
| Blocks copy and printing | ✓ (best) | Not checked yet |
| Blocks screen capture | ✓ (best) | Not checked yet |
| Offline assessment mode | Not checked yet | Not checked yet |
| Specs | ||
| Supported platforms | Windows, macOS, Android, iOS | Not checked yet |
| LMS integration | Lti | Not checked yet |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | ExamOnline is a cloud-based assessment platform for educational institutions, certification bodies, enterprises, and government organizations. It covers exam creation, configuration, scheduling, delivery, automated grading, candidate… Read the review → |
Mercer | Mettl is a cloud-based talent assessment platform for employers, education providers and other organizations. It covers personality, behavioral, cognitive, technical, coding, communication and domain assessments, with custom… Read the review → |
Strengths and trade-offs
ExamOnline — where it wins
- Combines AI, live, and hybrid remote proctoring
- Blocks app switching, copying, printing, and screen capture
- Supports LTI, API, SSO, desktop, and mobile platforms
Where it doesn't
- Pricing requires a customized sales conversation
- The broad feature set may exceed basic exam needs
- It is proprietary rather than open source
Mercer | Mettl — where it wins
- Combines browser lockdown, authentication and AI-assisted or human proctoring.
- Supports custom assessments across technical, cognitive and behavioral use cases.
- Offers advanced reporting, benchmarking, REST APIs and result webhooks.
Where it doesn't
- Pricing is customized through a contact-sales process.
- Its broad assessment scope may exceed the needs of lockdown-only teams.
- Teams must evaluate which assessment and proctoring workflows fit their needs.
- ExamOnline8.3/10 · Pricing on request
A broad assessment suite for organizations needing lockdown controls and proctoring.
Visit ExamOnlineFull verdict → - Mercer | Mettl7.8/10 · Pricing on request
A broad assessment platform with browser lockdown, proctoring and reporting for employers.
Visit Mercer | MettlFull verdict →
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All lockdown browser software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update





