Past Code vs Shikkha Squared
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Past Code
Instantly find mark schemes for IGCSE and A-Level past papers by scanning their codes with your camera. Save time and effort by accessing the correct resources directly.
- Scan past paper codes with camera
- Instant mark scheme retrieval
- Supports IGCSE papers
- Supports A-Level papers
- User-friendly interface
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Stop wasting your time and effort looking for mark schemes online. With the help of Past Code, you can use your camera to scan any IGCSE or A-Level past paper code and find the mark scheme associated with it instantly. For further information you can email us at omarayyanapps@hotmail.com or at my personal email omarayyan@hotmail.com A Omar Rayyan Production Copyrighted 2021
Shikkha Squared
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Your English O & A Level exams with confidence – completely free! Our app is designed specifically for English O Level and A Level students, helping you study smarter, revise better, and achieve top grades. All study resources, tools, and features are available at no cost. Why you’ll love it (and it’s all free): Complete Study Notes – Clear, exam-focused explanations for every topic. Past Papers & Model Answers – Learn from real exam-style questions and high-scoring responses. Practice & Revision Tools – Interactive resources to boost vocabulary, grammar, and essay writing skills. Exam Strategies – Tips and techniques tailored to Cambridge & Edexcel exam boards. Easy to Use – Simple design so you can focus on learning, not searching. Get Exam Ready – Every feature is available without subscriptions, ads, or in-app purchases. Whether you’re preparing for English Language or Literature, this app is your all-in-one study companion. Perfect for quick revision, practice sessions, or deep learning before the big day. 100% Free – No subscriptions. No in-app purchases. Just learning.
Screenshots
Verdict
The clearest difference is update cadence: Past Code at every 6 days against Shikkha Squared's monthly. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Past Code ships an update every 6 days, Shikkha Squared monthly. The most recent releases landed on September 9, 2026 and September 15, 2026 respectively.
| Parameter | Past Code | Shikkha Squared |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 6 days — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 32 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Omar Rayyan | Science Platform |
In-app purchases
Past Code
No in-app purchases
Shikkha Squared
No in-app purchases
Questions
Is Past Code free?
Is Shikkha Squared free?
Do Past Code or Shikkha Squared have ads?
Which is updated more often, Past Code or Shikkha Squared?
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