By the BestMyTest IELTS team. IELTS Online Tests details checked in October 2026.
IELTS Online Tests, often shortened to IOT, is one of the largest free IELTS practice libraries on the web, with mock tests added every month and more than 100 million test attempts behind it. BestMyTest is a complete IELTS course: 3,000+ questions for Academic and General Training, 50 full-length practice tests with diagnostic score reports, a free instant band score on every Speaking and Writing answer, reviews by IELTS certified teachers, and an AI Tutor that turns your mistakes into skill exercises. The two are built for different jobs, and that is what this comparison is about.
Our recommendation: BestMyTest is the stronger choice for most IELTS test-takers who want to raise a band score. IELTS Online Tests is a very good free place to take a mock test and see where you stand, and its pay-per-evaluation examiner reviews are reasonably priced. What it is not is a course that teaches you the skills behind the marks you lose, and that is where BestMyTest does its work.
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IELTS Online Tests is run by InterGreat Education Group, a London-headquartered company founded in 2008 with offices across Asia. Its site reports 100 million test attempts, 35 million students, and users in 120 countries, and it describes itself as a platinum partner of the British Council and IDP. Here is what it offers, according to its own pages in October 2026:
What IELTS Online Tests leaves out is the loop between a mistake and a fix. The free tests tell you what you got wrong; they do not build an exercise on the skill behind it. Speaking and Writing feedback is a separate purchase each time, so most students score only a handful of answers in a whole preparation. And the teaching lives in separate paid courses rather than being attached to the tests you take.
BestMyTest was built around one loop: practice, review, fix the skill, practice again. Every part of the course feeds that loop, and all of it is included on every plan.

The difference in one line: IELTS Online Tests tells you your score; BestMyTest tells you your score, why, and what to practise next, on every answer.
The table uses the figures each company publishes about its own service.
| BestMyTest | IELTS Online Tests | |
|---|---|---|
| What it is | A complete IELTS course | A free test library with paid add-ons |
| Practice questions | 3,000+ for Academic and General Training, every question type | Large free library of mock tests, plus PDF packs of 100+ Reading and 120+ Listening tests |
| Full-length practice tests | 50, each with a diagnostic score report | Free monthly mock tests, scored by answer key |
| Lessons | 200 IELTS and English lessons, included | Separate paid video courses (MasterClass from $70), free live group lessons |
| Vocabulary training | 5,000+ IELTS words with flashcards and exercises | Within paid courses |
| Speaking feedback | Free instant AI band score on every answer, detailed word-by-word AI review, IELTS certified teacher review | Examiner evaluation $19.99 per test; AI test platform |
| Writing feedback | Free instant AI band score on every answer, detailed AI review with corrections and a rewrite, IELTS certified teacher review | Examiner evaluation $19.99 per test; AI evaluation sold per use |
| Human reviews | Included: Speaking and Writing, within 3 business days | Paid per evaluation, within 48 hours on weekdays |
| AI tutor | Builds skill exercises from your mistakes | AI examiner scores answers |
| Instructor support | Ask an Instructor | Paid 1-on-1 courses; email contact |
| Free access | Unlimited free trial of the whole course, no credit card | Free mock tests |
| Plan lengths | 7 days, 1 to 6 months, 1 or 2 years | Pay per evaluation or per course |
| Guarantee | Score improvement guarantee; your first practice test can set the baseline | Score guarantee on paid MasterClass courses |
| Other exams included | TOEFL course and BestMyLingo | HSK practice tests |
| Published student outcome data | Yes, IELTS learner performance data | Average gain figures on its home page |
The honest way to describe IELTS Online Tests is as a very large, free library of mock tests with a shop attached. That is valuable. Sitting a timed Listening or Reading test and getting a band estimate is the right first step for anyone, and IOT lets you do it at no cost, as often as you like.
A library is not a course, though, and the difference shows after the first test. When you finish a Reading test on IOT you learn which answers were wrong. When you finish a Reading test on BestMyTest you learn which answers were wrong, which question types they cluster in, and which AI Tutor exercises to open next, because the diagnostic score report breaks the section down by type and the AI Tutor is built into the result. The student who missed four True/False/Not Given questions goes straight to exercises on the difference between False and Not Given, rather than to another test where the same four marks go missing again.
The same applies to teaching. IOT's lessons are real, but they are a separate product: a MasterClass course is bought on its own and followed on its own schedule. On BestMyTest the 200 lessons sit beside the questions, so the grammar lesson on conditionals is one click from the Task 2 essay where the AI flagged your conditionals.

Speaking and Writing decide most IELTS outcomes, and they are the two sections you cannot mark yourself. How much feedback you get, and how often, is therefore the most important difference between these two services.
On IELTS Online Tests, feedback is a purchase. A human examiner evaluation of one Writing test (Task 1 and Task 2) or one Speaking test costs $19.99 and arrives within 48 hours on weekdays; an AI evaluation is cheaper and sold per use. The evaluations themselves are competent. The problem is arithmetic: a student who wants ten essays and ten Speaking tests reviewed by a person over a month is looking at around $400, so most students review two or three answers and guess about the rest.
On BestMyTest, every Speaking and Writing answer gets a free instant AI band score on each criterion, with feedback, the moment you submit it. The scoring aligns with the official IELTS band descriptors. Detailed AI reviews and IELTS certified teacher reviews of any answer you choose are part of the course, not a per-item charge, and every review ends with AI Tutor skill exercises built from your performance. A student can record twenty Part 2 answers in a week and get twenty criterion-level scores, which is how the Speaking students in our data moved up a band.

Read what each kind of review contains on our IELTS speaking review and IELTS writing review pages.
IELTS Online Tests shows an average band gain chart and student result videos on its home page. BestMyTest publishes its figures with the method attached. The BestMyTest IELTS learner performance data is updated from our own records, explains how every figure is measured, and regenerates the charts below each time it is refreshed. Every student's before-and-after band is listed on our IELTS student score improvements page.
Among BestMyTest students who received three or more reviews of their answers from our AI and teachers, 91% raised their Writing band, by an average of 2,6 bands, and 82% raised their Speaking band, by an average of 2,2 bands.
Those figures rest on 62.346 reviewed Speaking answers and 21.345 reviewed Writing tasks, from 65.686 students who completed at least one full practice test section.
IELTS Online Tests is free to use for mock tests. Paid items are bought one at a time: $19.99 for a human Writing or Speaking evaluation, a few dollars for an AI Writing evaluation, $1.99 for a Reading or Listening PDF pack, and $70 and up for a MasterClass video course, with 1-on-1 coaching priced separately. Prices are listed in US dollars with a currency selector.
BestMyTest starts with an unlimited free trial: you can use the course free for as long as you want, with no credit card and no time limit. Paid plans run from a 7-day pass for a test next week, through one to six month plans, to one and two year plans, with the monthly cost falling as the term grows. Every plan includes all the reviews, lessons, tests, and AI Tutor exercises; there is nothing to buy per item. Prices are shown in your local currency on the IELTS plans page. Every plan carries a score improvement guarantee: at least a 1 band improvement on Custom plans and on Premium plans of two to four months, and at least 2.5 bands on Premium plans of six months or more, with a refund if you complete the course and your official score does not improve by that much. Your first practice test in the first seven days sets your baseline.
The comparison that matters is cost per reviewed answer. Ten human reviews on IELTS Online Tests cost about $200. On BestMyTest the reviews are part of the plan, and the subscription also includes the TOEFL course and BestMyLingo.
The mock tests are free, and the site says they always will be. Feedback on Speaking and Writing, PDF packs, recorded lessons, video courses, and coaching are paid, mostly per item. BestMyTest's free trial is also free, covers the whole course including reviews, and has no time limit.
BestMyTest, by design. Every answer gets a free instant band score, and detailed AI reviews and IELTS certified teacher reviews are included on every plan. On IELTS Online Tests each examiner evaluation is a $19.99 purchase, so the number of answers you can afford to have reviewed is limited by budget rather than by practice.
Yes. A free IOT mock test is a reasonable way to get a first band estimate. For the preparation itself, BestMyTest gives you 50 full-length tests of your own with diagnostic reports, plus the lessons, reviews, and AI Tutor exercises that turn a test result into a higher band.
Yes. IELTS Online Tests offers Academic and General Training mock tests and sample essays for both. BestMyTest has separate Reading passages and Writing Task 1 materials for each version, and the same reviews, lessons, and AI Tutor for both.
BestMyTest. Take a full practice test on day one, use the diagnostic report to pick the AI Tutor exercises for your weakest skills, and use the instant band scores to check every Speaking and Writing answer until test day. The 7-day pass fits a short timeline, and you can start on the unlimited free trial today.
IELTS Online Tests figures were read in October 2026 from its home page, its Writing examiner evaluation and AI examiner evaluation pages, and its MasterClass 6 course page. BestMyTest figures are the course contents at the same date, and the student figures on this page are generated from our published dataset each time it is refreshed. We sell one of the two services, and the unlimited BestMyTest free trial is the fastest way to check the comparison yourself.
IELTS is a registered trademark of the British Council, IDP IELTS, and Cambridge University Press & Assessment. BestMyTest is not affiliated with them or with IELTS Online Tests.
The figures on this page come from the BestMyTest IELTS learner performance data, our records of IELTS practice on BestMyTest up to October 2026. That page explains how we measure each figure. Last updated 15 October 2026.