Best Lockdown Browser Software in 2026
Updated
In short: Eklavvya is ranked #1 of 22 as of 4 October 2026, ahead of ThinkExam and Safe Exam Browser. The best-ranked option with a free plan is ThinkExam. The lowest first paid tier on this page is TestInvite at $75/mo.
Lockdown browser software is used in assessment settings where device activity may be restricted. The ranked entries begin with Eklavvya, ThinkExam, and Safe Exam Browser. Compared on whether they block app switching, copying and printing, or screen capture, the options also specify LMS integration and offline assessment mode. Supported platforms can help you check fit with the devices in your assessment environment. Free-plan availability and paid-from pricing provide further details to compare. Review the listed controls and integrations against the requirements of your exams and learning systems.
22 lockdown browser software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
4 of the 22 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | EklavvyaWeb · Windows · Mac · Android · iPhone · API | Three bars | — | 5 of 6 | Free | 6.7 | |
| 2 | ThinkExamWeb · Android · iPhone | Three bars | — | 3 of 6 | $3,125/mo | 6.6 | |
| 3 | Safe Exam BrowserWindows · Mac · iPhone · Self-hosted | Three bars | — | 3 of 6 | Free | 6.5 | |
| 4 | ExamOnlineWeb · Windows · Mac · Android · iPhone | Two bars | — | — | 5 of 6 | — | 5.7 |
| 5 | Prometric Secure Proprietary BrowserWeb · Windows · Mac | Two bars | — | — | 3 of 6 | — | 5.6 |
| 6 | PSI Secure BrowserWindows · Mac · Linux · Extension | Two bars | — | — | 3 of 6 | — | 5.6 |
| 7 | Inspera Integrity BrowserWindows · Mac | One bar | — | — | 2 of 6 | — | 5.5 |
| 8 | Surpass SecureClientWindows · Mac · iPhone | Two bars | — | — | 3 of 6 | — | 5.5 |
| 9 | TalviewWeb · Android · iPhone · API | Two bars | — | — | 3 of 6 | — | 5.5 |
| 10 | OpenLockLinux | One bar | — | — | 1 of 6 | — | 5.4 |
| 11 | DigiexamWeb · Windows · Mac · Android · iPhone | Two bars | — | — | 5 of 6 | $124.67/mo | 5.3 |
| 12 | eSehat Secure Exam BrowserNo platforms listed | One bar | — | — | 0 of 6 | — | 5.3 |
| 13 | ExamSoftWeb · Windows · Mac · iPhone | One bar | — | — | 4 of 6 | — | 5.2 |
| 14 | Respondus LockDown BrowserWindows · Mac · iPhone | Two bars | — | — | 3 of 6 | — | 5.2 |
| 15 | XoLockWeb · Windows · Mac | Two bars | — | — | 3 of 6 | — | 5.2 |
| 16 | TAOWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 17 | 5Profiler Secure Exam BrowserWeb | One bar | — | — | 1 of 6 | — | 5.0 |
| 18 | Mercer | MettlWeb | No signal | — | — | 1 of 6 | — | 5.0 |
| 19 | QuestionmarkWeb | No signal | — | — | 1 of 6 | — | 5.0 |
| 20 | TestInviteWeb · API | One bar | — | — | 1 of 6 | $75/mo | 5.0 |
| 21 | Aiseptor Secure BrowserWindows · Mac | No signal | — | — | 2 of 6 | — | 4.8 |
| 22 | Fully Exam KioskAndroid | One bar | — | 1 of 6 | Free | 4.8 |
Is your app 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 Freedom251?
Eklavvya is ranked #1 of 22 with a score of 6.7. ThinkExam is second and Safe Exam Browser third.
How many of these have a free plan?
4 of the 22 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 free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation. Paid placements never change a rank.