Comparison
Hilingo vs Prep27
Prep27 is the closest thing to our own positioning: several exams, one AI scorer. It covers a wider list than we do, including OET and NCLEX-RN.
Everything in the Prep27 column is taken from their own public pages or from a test we ran ourselves, and was last checked on 8 September 2026. Products change — if anything here is out of date, tell us and we will correct it.
Side by side
| Hilingo | Prep27 | |
|---|---|---|
| Exams covered | PTE Academic, PTE Core, CELPIP and the Duolingo English Test. IELTS is in development. | PTE Academic and Core, CD-IELTS and General, CELPIP, Duolingo, OET and NCLEX-RN. |
| Free tier | First full scored mock free, no card required. | A free mock test on signup. |
| Accuracy claim | We publish no correlation figure, because we cannot show you the working behind one. | Their site claims up to 99% score correlation with official standards. |
| Analytics after a test | Per-section and per-question, with the reason and the evidence for each wrong answer. | Strengths, weaknesses, pronunciation issues, grammar errors, task response gaps and time-management insights, per their site. |
| Speaking scored on | Phoneme-level pronunciation against IPA, stress, pitch, pace and pauses. | Fluency, pronunciation, intonation, grammar and vocabulary, using NLP and speech recognition, per their site. |
| For coaching institutes | White-label platform with admissions, batches, branches, staff roles and cross-branch reporting. | Institute pricing is offered; the page does not detail the institute feature set. |
“Not stated” means their published pages do not say either way. It does not mean the feature is absent.
When Prep27 is the better choice
- You need OET or NCLEX-RN — we do not cover either.
- You need IELTS practice today rather than when ours ships.
- A single platform across a very wide exam list matters more than depth in any one of them.
When Hilingo is the better choice
- You want to see the evidence behind every mark rather than a summary of strengths and weaknesses.
- You would rather a platform admitted what it cannot measure than quote a correlation figure it cannot show you.
- You run an institute and need the operational side — admissions, batches, branches — under your own brand.
Questions people ask
- Does Prep27 cover more exams?
- Yes. Their site lists OET and NCLEX-RN alongside the English proficiency exams; we cover neither.
- Is a 99% score correlation realistic?
- We cannot verify anyone else's figure, including that one, and we do not publish one of our own. Any third-party engine is an estimate — treat all such numbers, ours and theirs, as a guide rather than a prediction.
Try it before you decide.
Your first full-length scored mock is free and needs no card. Take one, read the report, and judge the feedback for yourself.
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