Best Lockdown Browser Software in 2026
Updated
In short: Safe Exam Browser is ranked #1 of 19 as of 3 October 2026, ahead of TestInvite and ExamOnline. The lowest first paid tier on this page is TestInvite at $75/mo.
19 lockdown browser software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | Platform | Score | Why | From | Free plan | Paid from | Supported platforms | |
|---|---|---|---|---|---|---|---|---|
| 1 | Safe Exam Browser | 7.5 | RecognisedAPIDocumented | Free | Yes | — | Windows, macOS, iOS | View |
| 2 |  TestInvite | 7.1 | RecognisedAPIDocumented | $75/mo | Yes | — | — | View |
| 3 | ExamOnline | 6.9 | RecognisedAPIDocumented | — | — | — | Windows, macOS, Android, iOS | View |
| 4 | PSI Secure Browser | 6.9 | RecognisedAPIDocumented | — | — | — | Windows, macOS, Ubuntu Linux | View |
| 5 | Inspera Integrity Browser | 6.6 | RecognisedAPIDocumented | — | — | — | Windows, macOS | View |
| 6 |  OpenLock | 6.6 | RecognisedAPIDocumented | — | Yes | — | Linux | View |
| 7 | TAO | 6.4 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 8 | Surpass SecureClient | 6.4 | RecognisedAPIDocumented | — | — | — | Windows, macOS, iOS/iPad | View |
| 9 | XoLock | 6.2 | RecognisedAPIDocumented | — | No | — | Windows, macOS | View |
| 10 |  ThinkExam | 6.1 | RecognisedAPIDocumented | $3,125/mo | Yes | — | — | View |
| 11 |  ExamSoft | 5.9 | RecognisedAPIDocumented | — | — | — | — | View |
| 12 | Aiseptor Secure Browser | 5.6 | RecognisedAPIDocumented | — | No | — | macOS, Windows | View |
| 13 |  Prometric Secure Proprietary Browser | 5.6 | RecognisedAPIDocumented | — | — | — | Windows, macOS | View |
| 14 | Digiexam | 5.5 | RecognisedAPIDocumented | $124.67/mo | No | — | — | View |
| 15 | 5Profiler Secure Exam Browser | 5.4 | RecognisedAPIDocumented | — | No | — | Web browser; secure-browser installer platform not specified | View |
| 16 |  Fully Exam Kiosk | 4.9 | RecognisedAPIDocumented | — | No | — | Android | View |
| 17 |  eSehat Secure Exam Browser | 4.9 | RecognisedAPIDocumented | — | — | — | — | View |
| 18 | Mercer | Mettl | 4.6 | RecognisedAPIDocumented | — | — | — | — | View |
| 19 |  Talview | 4.6 | RecognisedAPIDocumented | — | — | — | — | View |
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which lockdown browser software is ranked first on Inferse?
Safe Exam Browser is ranked #1 of 19 with a score of 7.5. TestInvite is second and ExamOnline third.
How many of these have a free plan?
1 of the 19 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, TestInvite has the lowest first paid tier we found: $75/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.