The short answer
Free is a whole 4-week internship with every task, the 3D lab, the AI mentor and a free certificate of completion. Premium adds people and proof: mentor calls, an engineer's review, the graded certificate, letters and longer lengths.
Free and Premium side by side
| Detail | FreeNo card | PremiumOne payment |
|---|---|---|
| Length | 4 weeks | 4 weeks to 24 months |
| Tasks, weekly checks, 3D lab | Yes | Yes |
| AI mentor | Yes | Yes |
| Certificate | Free certificate of completion | Graded Internship Certificate |
| Verify by QR | Yes | Yes |
| Live mentor calls | No | Yes |
| Engineer's project review | No | Yes |
| Joining letter and reports | No | Yes |
FreeNo card
- Length
- 4 weeks
- Tasks, weekly checks, 3D lab
- Yes
- AI mentor
- Yes
- Certificate
- Free certificate of completion
- Verify by QR
- Yes
- Live mentor calls
- No
- Engineer's project review
- No
- Joining letter and reports
- No
PremiumOne payment
- Length
- 4 weeks to 24 months
- Tasks, weekly checks, 3D lab
- Yes
- AI mentor
- Yes
- Certificate
- Graded Internship Certificate
- Verify by QR
- Yes
- Live mentor calls
- Yes
- Engineer's project review
- Yes
- Joining letter and reports
- Yes
Both editions are training, not a job. Pick Free if you want to try the work or build a habit. Pick Premium if you want a graded certificate, letters for a college file, or a longer internship.
Free internship
- 4 weeks, with every task, weekly check and a short final quiz
- practice in the 3D lab and the AI mentor, any time
- a free certificate of completion with a QR code anyone can scan to verify it
- no card, no fees, and nothing is sold inside it
Premium internship
Everything in Free, plus:
- the graded Internship Certificate for your whole internship
- live 30-minute mentor calls with a Wartens engineer (more calls on longer lengths)
- an extra project reviewed in writing by an engineer
- a joining letter, evaluation and project reports, and a letter of appreciation on merit
- lengths from 4 weeks up to 24 months, which you can extend later by paying only the difference
The price of each Premium length is shown on the page before you pay: see Premium internships.
You can start Free now and upgrade later. What you have done carries over.
Updated 22 October 2026
Related questions
- How do I start an internship?Pick a track on the Internships page, choose a start date, accept the terms and press Start my free internship. You need a free account, and no card is taken for the Free edition.
- How do I get my internship certificate?Finish your work and you are issued a certificate: the free certificate of completion for the first 4 weeks, or the graded Internship Certificate on Premium. Both carry a QR code anyone can verify.
- Can I upgrade my Free internship to Premium?Yes, at any time. Choose your length on the Premium page and pay once; what you have already done carries over, and any amount you paid before in the same currency is credited.
- Is the internship paid work or a job?No. It is online training. There is no stipend, it is not employment, and we cannot promise a job or placement. You build skills and get a verifiable record of what you did.
- Which internship track should I choose?Choose the track closest to the work you want to do. There are engineering tracks (such as PLC, panels and SCADA) and AI tracks (such as machine learning and data science). You pick one when you start.
- What do I do each day in an internship?You work at your own pace through weekly lessons and practice tasks, use the 3D lab, ask the AI mentor when you are stuck, and pass a short check each week. Nothing runs to a fixed clock.
Still need help? Visit the Help Centre or send us a request.
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