KPSS Digital
Learning · Turkey
Question practice and timed mock exams for Turkey's KPSS civil-service exam, with a study plan built around your target score.
19,500+original questions
PrepKoala
Adaptive GRE and TOEFL prep
PrepKoala is a web platform from AppFusion Labs for GRE and TOEFL preparation, with adaptive practice tests, a score predictor and vocabulary flashcards. A free plan is available, and IELTS preparation is coming soon.
Highlights
What PrepKoala does best.
GRE and TOEFL are available now; IELTS is coming soon.
At a glance
1,000+GRE vocabulary flashcards
01
Full-length adaptive GRE practice tests
02
1,000+ GRE vocabulary flashcards
03
TOEFL reading, listening, speaking and writing practice with AI feedback
04
Score predictor and topic drills
05
A free plan, no credit card needed
At a glance
The details.
- Developer
- AppFusion Labs, LLC
- Platforms
- Web
- Languages
- English
- Market
- Worldwide
- Category
- Learning
- Price
- Free plan available
- Website
- prepkoala.com
- Privacy
- Privacy policy
- Terms
- Terms of use
- Support
- [email protected]
Updated October 18, 2026
FAQ
Good questions.
What is PrepKoala?
PrepKoala is a web platform from AppFusion Labs for GRE and TOEFL preparation, with adaptive practice tests, a score predictor and vocabulary flashcards. A free plan is available, and IELTS preparation is coming soon.
Is PrepKoala free?
PrepKoala has a free plan, and no credit card is needed to start.
Which devices does PrepKoala run on?
PrepKoala runs in any modern web browser at prepkoala.com, on desktop or mobile.
Who makes PrepKoala?
PrepKoala is made by AppFusion Labs, LLC, an independent app studio in Newark, Delaware. You can reach the team at [email protected].
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Get started
Get PrepKoala today.
Adaptive practice tests, score prediction and vocabulary flashcards for GRE and TOEFL, on the web. IELTS is coming soon.