The short answer
For Prelims PYQs with explanations, UPSC Answer Check, SuperKalam, Ease My Prep and Vision IAS all state them; UPSC Answer Check also states negative marking and lets you read without an account. writeupsc’s Prelims practice is the one to open when you want all 1,600 GS Paper I questions from 2011 to 2026, by subject and topic, answered with +2 / −0.66 marking and a confidence tap, free and without signing in. It does not give explanations yet: the key only.
Tool by tool
| Tool | Years and questions | Subject-wise | Explanations | Negative marking | Price | Sign-in | Hindi |
|---|---|---|---|---|---|---|---|
| writeupsc Prelims practice | 2011–2026, 1,600 GS Paper I questions | Yes, 11 subjects and 169 topics | No (answer key only) | Yes, +2 / −0.66 with a sure / 50-50 / guess tap | Free | No (sign in to save progress) | No |
| UPSC Answer Check | 2014–2026, “2,261 questions” (its homepage says 2,340) | Yes, trends by subject and topic | Yes, every option | Yes | Reading free; practice 10 a day free, then ₹299 a month | To practise | Yes |
| SuperKalam | 2011–2026, count not stated | Yes | Yes | Not stated | 15 MCQs a day free; ₹1,199 a month and up | Yes (app) | Not stated |
| Ease My Prep | “3,300+ Prelims PYQs” from 1995, plus 1,200+ CSAT | Yes, to subtopic | Yes, with elimination logic | Not stated | Browsing free; Plus ₹1,999 | Yes (app or web app) | Yes |
| PrepAiro | “8,000+”, 2014–2026 | Yes | Yes | Not stated | Its own pages differ: “completely free” and “included in Plus” | Not stated | Yes |
| Vision IAS | 2014–2025, count not stated | Yes, 11 subjects | Yes | Not stated | Free | No | Not checked |
| Testbook | 2013–2026, “362 full paper” PYPs | Not stated | Not stated | Not stated | Marked Pro (paid pass) | Yes | Yes |
| Likhit | Last 5 years, count not stated | Yes, by year and subject | Yes, option-wise | Not stated | Free during beta | After a 3-question trial | Not stated |
| ClearIAS | Not stated | Not stated | Yes | Not stated | GS PYQ re-take exams ₹999 | Yes | Not stated |
From each provider’s own page or Telegram page on 18 October 2026. Nothing here is sponsored, and writeupsc is listed first because this is its site.
Read them as pages
Every writeupsc Prelims question is also on a readable page with its answer: by subject and year, one page per year’s paper, and one per topic asked ten times or more. The subject-wise weightage shows where the marks have moved since 2011.
How to practise PYQs
- Do a whole year’s paper in 2 hours before topic drills: it shows your real guessing rate.
- Mark each answer sure, 50-50 or guess; the guesses you got right are revision, not marks.
- Go topic by topic in the heaviest subjects: environment, economy and polity carry about 43% of the paper since 2011.
Questions
What is the best app for UPSC Prelims PYQ practice?
With explanations: UPSC Answer Check, SuperKalam, Ease My Prep or Vision IAS. For all 1,600 GS Paper I questions from 2011 to 2026 with negative marking, free and without sign-in: writeupsc Prelims practice (key only, no explanations yet).
Is there a free UPSC Prelims PYQ practice website?
Yes. writeupsc and Vision IAS are free without an account; UPSC Answer Check lets you read free and practise 10 a day free.
How many years of Prelims PYQs should I solve?
At least ten. writeupsc has sixteen, 2011 to 2026, and shows which subjects have grown in recent papers.
See how your own answer compares.
Photograph the sheet the way you wrote it. 1 free evaluation with a Google account, no card.