NSC Exam Prep vs SortCal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NSC Exam Prep
Access past exam papers and detailed, animated solutions for mathematics. Organize practice by year or topic to systematically improve understanding and presentation of problem-solving techniques.
- Exam papers 2012-2022
- Step-by-step animated solutions
- Organized by year and topic
- Mock exam practice
- Focus on individual topics
- Aligned with marking schemes
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The HeyMath! NSC exam paper app comprises * Exam papers from 2012 – 2022 (Paper I and II) with step by step animated solutions. * Questions and solutions are organised by year of the exam as well as by topic. * Year-wise categorisation allows learners to choose an entire exam paper for mock practice. * Topic-wise categorisation allows students to focus on individual topics and systematically master all topics. What’s special about the HeyMath! NSC app? * The solutions provide step by step explanations of how to solve problems. * Learners can check their workings and improve on their presentations. * The solutions comply with the marking scheme and are aligned to the memo * Alternative solutions are also given where appropriate
SortCal
This app combines calculator functionality with note-taking and flashcard study tools. It allows users to review past calculations and easily delete digits. It's designed for everyday math tasks and educational support.
- Previous calculations history
- Digit deletion button
- Note taking functionality
- Flashcard study mode
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Do the everyday math and note taking with SortCal Features 1. Shows previous calculations 2. Press the red button to delete digits 3. Note taking feature 4. Study with Flashcards
Screenshots
Verdict
The clearest difference is review sentiment: SortCal at 100% against NSC Exam Prep's 20%. NSC Exam Prep's advantage is iOS requirement (13.0 vs 17.5). On price, update cadence, ads and in-app purchases 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.
Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on September 9, 2026 and June 5, 2026 respectively.
| Parameter | NSC Exam Prep | SortCal |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | 20.0% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 5 months | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.5 |
| Further details — not scored | ||
| Size | 98 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | HeyMath! Innovation Lab(S) PTE. LTD. | Jaekeun Sung |
Customer experience
NSC Exam Prep
SortCal
In-app purchases
NSC Exam Prep
No in-app purchases
SortCal
No in-app purchases
Questions
Is NSC Exam Prep free?
Is SortCal free?
Do NSC Exam Prep or SortCal have ads?
Which is updated more often, NSC Exam Prep or SortCal?
Other comparisons
