There is no major difference in the two, but can be differentiated based on certain factors. However, before that look at some similarities of the IELTS and IELTS UKVI:

Similarities Between IELTS and IELTS UKVI
IELTS General Training, IELTS Academic, and IELTS Life Skills or IELTS UKVI tests are accepted by the UK government for visa and immigration as proof of applicants’ English language proficiency if they are visiting the country for studies, work, and live. These tests are managed by the various IELTS partners such as the British Council and taken based on the same content, format, examiners, difficulty level, scoring band and so on.
These tests have been designed by some of the leading language and language assessment experts. So, when you give one of these tests, your full range of English language skills will be examined.
Additionally, you need to clear each section and obtain minimum marks set by the respective university or employer to successfully get the admission or new job abroad. The committee will assess your following skills through the test:
1. Listening
2. Writing
3. Reading
4.  Speaking

Difference Between IELTS and IELTS UKVI
Now, look at the following points to understand how IELTS is different than the IELTS UKVI:
1. Cost: When it comes to the cost of these tests, the IELTS is comparatively cheaper than the IELTS UKVI. According to the British Council, the IELTS will cost you Rs.13,250, while for IELTS UKVI, you will need to pay Rs. 18,500 in 2020.
2. Education Level: The IELTS is suitable for undergraduate and postgraduate courses along with professional registration purposes. While the IELTS UKVI is only accepted for foundation courses.
3. Safety: Even though both tests are computer-based, the IELTS is considered more secure.

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