Learn to code free with hands-on lessons and instant playgrounds
Alfa PTE records 886,734 monthly visits with -15.1% month-over-month growth and Freemium pricing. Codebay.ai records 212 monthly visits with -92.1% growth and Free pricing.
Learn Python on your phone with a personal AI tutor
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | alfapte.com | codebay.ai |
| Pricing Model | Freemium | Free |
| Monthly Visits | 886.73K (886,734) | 212 (212) |
| MoM Traffic Delta | -158.22K (-15.1%) | -2.46K (-92.1%) |
| Primary Market & Share | 🇮🇳 India (43.8%) | 🌐 Global (—) |
| Direct Visits / mo | 641.61K | 61 |
| User Rating | 4.2 | 4.1 |
| Supported Platforms | Website | Website |

PTE practice tests with instant AI scoring and realistic mock exams
Every speaking, writing, reading and listening response is graded immediately with feedback that tracks the PTE scoring criteria, so you can iterate on the same task within minutes.
Sit complete tests under exam timing, or target one skill or task type with sectional mocks - including the unusual 'create your own mock test' builder.
Thousands of questions modelled on real PTE Academic, UKVI and PTE Core formats, kept updated to match current exam patterns.
Dashboards track scores across attempts and break performance down by task type, highlighting exactly where your score is being lost.
Learn Python on your phone with a personal AI tutor
A built-in assistant that answers coding questions and provides instant, personalized hints whenever a learner gets stuck.
Bite-sized interactive lectures presented as friendly conversations, each built around a relatable scenario.
Every new concept is followed by a tailored coding exercise so learners practise immediately.
Study on a phone or computer, making short sessions possible during commutes or breaks.
Learn to code free with hands-on lessons and instant playgrounds

Interactive courses for data science, AI and analytics skills

Interactive math, coding and AI tutoring you learn by doing
Focuses heavily on Pearson Test of English practice with robust AI scoring engines, rivaling Alfa PTE's core test prep.
Focuses heavily on Pearson Test of English practice with robust AI scoring engines, rivaling Alfa PTE's core test prep.
Provides structured courses and AI speaking rooms for IELTS and TOEIC, though interface and question banks differ.
Provides structured courses and AI speaking rooms for IELTS and TOEIC, though interface and question banks differ.

AI-powered A Level and GCSE courses with a top-grades-or-refund guarantee
SpecialistTargeted specifically at pronunciation and fluency training using speech recognition rather than complete exam mock tests.
SpecialistTargeted specifically at pronunciation and fluency training using speech recognition rather than complete exam mock tests.

Learn a new language by talking to lifelike AI tutors
Learn a new language by talking to lifelike AI tutors

AI-powered adaptive math and coding practice for kids aged 4–14
Offers similar multi-exam mock tests and automated AI scoring, but with a broader range of language proficiency exams.
Offers similar multi-exam mock tests and automated AI scoring, but with a broader range of language proficiency exams.

SpecialistSpeak a new language from day one with human-like AI and expert human tutors
SpecialistSpeak a new language from day one with human-like AI and expert human tutors
SpecialistFocuses purely on AI-driven English speaking coaching and CEFR evaluation rather than full-length PTE mock exams.
SpecialistFocuses purely on AI-driven English speaking coaching and CEFR evaluation rather than full-length PTE mock exams.