Best IELTS Mock Test Websites: Full Simulations Compared (2026)

A mock test is the only honest mirror in IELTS preparation. Course claims, vocabulary streaks, and lesson counts mean nothing next to one timed simulation scored credibly. But not every site selling "mock tests" offers a real simulation — many give you Listening and Reading auto-scores and quietly skip Writing and Speaking, the two skills that decide most results.

We compared the leading mock websites on four criteria: full four-skill coverage, scoring credibility (especially Writing and Speaking), exam-like interface and timing, and free-tier honesty.

1. Band9Prep — Best Full Four-Skill Simulation

Band9Prep is the only site in this roundup built around complete simulations: Listening, Reading, Writing (Task 1 + 2), and Speaking under timed conditions, with AI band scores across all four skills including criterion-level feedback on essays and speech.

Pros: genuine four-skill mocks with timing that mirrors the real test; AI feedback broken down by Task Achievement, Coherence, Lexical Resource, and Grammar; Speaking scoring with fluency and pronunciation comments; progress tracking across mocks; computer-delivered style interface.

Cons: full unlimited mock access is paid — check the site for current plans; like all AI scoring, treat predictions as estimates within half a band, not guarantees.

Best for: your diagnostic first mock, your final readiness check, and everything between. Start with the mock test guide.

2. IDP Official Practice Tests — Most Authentic Free Samples

IDP publishes official sample tests and books them through the same organisation that delivers your exam. Nothing calibrates difficulty better.

Pros: authentic passages, recordings, and answer keys; free; reflects current formats exactly; includes official band descriptors.

Cons: limited test count; no interactive scoring of Writing or Speaking — you self-mark against descriptors; interface is document-style rather than exam-simulation.

Best for: calibrating every paid mock against the official standard. Pair with free practice tests.

3. British Council Practice Tests — Best Free Official Bank

The British Council's free test library, take-IELTS pages, and Understanding IELTS course materials form the deepest official free bank available.

Pros: extensive free Listening and Reading samples; free preparation courses on occasion; trustworthy Speaking sample answers with examiner comments.

Cons: like IDP, stops short of scored Writing feedback; navigation across multiple pages can feel scattered.

Best for: free volume with guaranteed authenticity — the foundation under any paid mock plan.

4. IELTS Online Tests (ielts-online-tests.com) — Biggest Free Bank

A long-running community site with a large library of free Listening, Reading, and Writing samples plus user-submitted essays.

Pros: large free bank; active community discussion of answers; useful for extra Listening and Reading volume.

Cons: no credible Writing or Speaking scoring; question quality varies since much content is community-contributed; heavy ads; overall band estimates should not be trusted.

Best for: supplementary drills after your real mocks are done elsewhere.

5. E2 (E2Language) — Best Mock-Plus-Tutor Combination

E2 wraps mock tests in structured courses with teacher feedback options — mocks plus human guidance for candidates who want a tutor reviewing their performance.

Pros: structured mock pathways for Academic and General; human tutor feedback available; strong method lessons between mocks.

Cons: course pricing rather than standalone mock pricing — check the site; scheduling tutor feedback takes days, not seconds.

Best for: learners who want a teacher interpreting their mock results.

6. Magoosh — Best Practice With Video Explanations

Magoosh pairs practice questions with short video explanations, so each mock mistake becomes a taught lesson rather than just a red mark.

Pros: excellent explanations for beginners; study schedules; clean interface.

Cons: fewer full-length four-skill simulations than dedicated mock platforms; Writing assessment limited.

Best for: early preparation when you still need concepts taught, before switching to full simulations.

7. Mini-IELTS and Section-Practice Sites — Best Targeted Drills

Sites specialising in single-section practice (often searchable by question type) are excellent for fixing one weak area between full mocks.

Pros: fast targeted practice by question type; free or cheap; good for True/False/Not Given or map-labelling sprints.

Cons: not full mocks — scores do not predict overall bands; quality control varies.

Best for: the weeks between full mocks, drilling your two weakest question types.

How to Use Mocks (Whatever Site You Choose)

Mocks only work with a protocol. Follow this one and any credible site will move your score:

Mock 1 (week 1, diagnostic): sit all four skills timed, no preparation. Score it, and allocate study hours by weakness — most candidates should spend 50% of time on their weakest skill.

Mocks 2–4 (fortnightly): full timed conditions — no pausing, no dictionary, phone away. Review every error within 24 hours: re-read missed Reading paragraphs, re-listen with transcripts, rewrite one failed essay paragraph, re-record one Speaking part.

Final mock (5–7 days before): full simulation at morning exam time, typed if computer-delivered. Then stop — the last days are for light review and the exam-day guide, not new mocks.

Between mocks, drill sections rather than stacking full tests. Five mocks with deep review beat fifteen mocks with none.

Comparison Table

Website	Full 4-skill mock	Writing/Speaking scored	Free tier	Interface	Best for
Band9Prep	Yes	Yes, AI band scores	Limited sample	Exam-like, timed	Full simulations
IDP official	Partial	Self-mark	Free samples	Document-style	Authentic calibration
British Council	Partial	Self-mark	Free bank	Mixed pages	Free official volume
IELTS Online Tests	Partial	No	Large free bank	Basic	Extra drills
E2	Yes	Tutor options	Trials	Course platform	Mock + tutor
Magoosh	Partial	Limited	Samples	Clean app	Taught practice
Mini-IELTS style	Sections only	No	Free/cheap	Basic	Targeted drills

What to Do With Your Mock Score: The 5-Step Analysis Routine

A mock score without analysis is an expensive opinion. The same four numbers that disappoint on Sunday can direct the next fortnight precisely — if you spend the 90 minutes after every mock running this routine before opening any new practice material.

Step 1: split the score by skill and question type (15 minutes). Record each skill score separately, then break Listening and Reading misses down by question type: how many on True/False/Not Given, how many on map labelling, how many on multiple choice. A 6.5 Reading built from scattered misses needs different work than a 6.5 built from zero on headings alone. Rank the three costliest question types by marks lost; they own your drill time until the next mock, regardless of what feels urgent.

Step 2: autopsy every Reading and Listening miss (30 minutes). For each wrong answer, re-open the passage or replay with transcript and classify the cause in one word: paraphrase you did not know, distractor you trusted, instruction you misread, spelling or transfer slip, or time panic. Keep a running tally across mocks; most candidates discover one cause owns half their losses — usually distractors in Listening and Not Given overconfidence in Reading. That single dominant cause becomes the first line of your next timed session, written on a sticky note beside the screen.

Step 3: rewrite one essay paragraph and re-record one Speaking part (20 minutes). Do not rewrite the whole essay; take the single paragraph the feedback or descriptor self-marking flagged worst and rebuild it properly — clearer position, tighter cohesion, corrected grammar. Then re-record the weakest Speaking part the same day while the mock pressure is fresh in memory. File before-and-after versions together; visible improvement in one paragraph teaches more than vague plans to write better next time.

Step 4: convert findings into a fortnight drill list (15 minutes). Translate the autopsy into dated tasks: twenty heading items by Friday, two Section 4 transcripts shadowed by Wednesday, one Task 1 rewrite by Thursday. Each task names the material — a bank from free practice tests or a section-practice site — and its pass standard. Anything without a date and a standard is a wish, and wishes do not survive contact with a busy week.

Step 5: set the booking rule (10 minutes). Compare this mock against the previous one under the mock test guide: if two consecutive full timed mocks clear your target with margin, start logistics in how to book and switch to the exam-day guide. If only one skill clears, allocate half of next fortnight's hours to the lowest skill and schedule the next mock before studying further. Never book on a single good mock, and never delay booking after two — the first risks a retake, the second risks drift.

Verdict

Use official free tests to learn the standard, Band9Prep for your timed four-skill mocks with real Writing and Speaking scores, and free drill sites for volume in between. Judge readiness only by full timed mocks — and when the last one hits your target, book your test and read the exam-day guide. Compare platforms in best IELTS platforms.