Side by side
6sigmastudy vs IELTS by IDP App
Both stand on exam prep apps. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidiPhoneWeb
6sigmastudy covers several Six Sigma certification levels with a free Yellow Belt route and paid advanced exams. Learners should compare belt prerequisites, exam validity, and recurring preparatory-course charges before enrolling.
Visit 6sigmastudy
Free plan AndroidiPhone
IELTS by IDP App combines study content and practice tools with test booking and results access. Its listed free access covers a range of preparation resources for three IELTS exam types.
Visit IELTS by IDP AppThe facts
| 6sigmastudy | IELTS by IDP App | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Android, iPhone, Web | Android, iPhone |
| Lowest paid plan | See the plans | Free or on request |
| Plans published | 11 | 2 |
| Maker | 6sigmastudy | IELTS by IDP App |
| Website | 6sigmastudy.com | ielts.idp.com |
| On exam prep apps | #72 of 125 | #68 of 125 |
6sigmastudy: what it does well
- Free Yellow Belt course and exam
- Web, Android, and iOS access
- Multiple belt and Lean Six Sigma levels
- Mobile flashcards and practice questions
- More than 2,100 listed training providers
What to know first
- Most online certifications expire after 180 days
- Paid plans start at 250.00 USD
- Preparatory extension renews at $35 a month
IELTS by IDP App: what it does well
- Supports three listed IELTS exam types
- Free access includes articles, videos, and podcasts
- Includes mock tests and speaking practice
- Offers study planning and score tracking
- Provides test booking and results access
What to know first
- Available only on iOS and Android
- A 14-day trial is noted
Alternatives to 6sigmastudy Alternatives to IELTS by IDP App The whole list