kitio.aiIELTS Online Tests vs OETStudy
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. IELTS Online Tests starts at See pricing page and OETStudy starts at $10.99 one-time. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Free IELTS mock tests
- AI writing evaluation
- AI speaking evaluation
- Sample essays
- HSK AI test
- 15,000+ practice questions
- AI speaking scoring
- AI writing scoring
- Vocabulary lists
- Progress tracking
| Feature | IELTS Online Tests | OETStudy |
|---|---|---|
| Best for | Free IELTS mock tests with AI scoring for writing and speaking | AI-scored practice platform for the Duolingo English Test |
| Category | Education | Education |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | $10.99 one-time |
| Free plan | Yes | Yes |
| Made by | IELTS Online Tests | OETStudy |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
IELTS Online Tests starts at See pricing page and OETStudy starts at $10.99 one-time. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Free
Free
- 100 questions per day
VIP 10 days
$10.99 one-time
- 15,000+ questions and answers
VIP 30 days
$14.99 one-time
- 15,000+ questions and answers
VIP 90 days
$39.99 one-time
- 15,000+ questions and answers
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
IELTS Online Tests
- Large free test library
- Fast AI feedback on writing and speaking
- Covers all four test sections
- Prices for paid services not shown
- Site is crowded with course promotions
- AI scores are estimates, not official
OETStudy
- Covers all DET question types
- AI feedback on speaking and writing
- Short passes for trials
- Free tier capped at 100 questions per day
- Passes expire after a set number of days
- Built only for the DET
Which one should you choose?
Choose IELTS Online Tests if you want:
- Large free test library
- Fast AI feedback on writing and speaking
- Covers all four test sections
Watch out: prices for paid services not shown.
Choose OETStudy if you want:
- Covers all DET question types
- AI feedback on speaking and writing
- Short passes for trials
Watch out: free tier capped at 100 questions per day.
IELTS Online Tests vs OETStudy FAQ
What is the difference between IELTS Online Tests and OETStudy?
IELTS Online Tests: Free IELTS mock tests with AI scoring for writing and speaking. OETStudy: AI-scored practice platform for the Duolingo English Test. Both are education tools.
Is IELTS Online Tests or OETStudy cheaper?
IELTS Online Tests starts at See pricing page and OETStudy starts at $10.99 one-time. Check both pricing pages for current plans.
Do IELTS Online Tests and OETStudy have free plans?
IELTS Online Tests: Yes. OETStudy: Yes.
Who makes IELTS Online Tests?
IELTS Online Tests is made by IELTS Online Tests.
Who makes OETStudy?
OETStudy is made by OETStudy.
Which should I choose, IELTS Online Tests or OETStudy?
Choose IELTS Online Tests if you value large free test library and fast ai feedback on writing and speaking. Choose OETStudy if you value covers all det question types and ai feedback on speaking and writing.