NumAndShape vs ChemSpark
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NumAndShape
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free content - addition - subtraction - multiplication - division - average - summation - area of triangle - area of circle paid content - prime number - power - per hour - binary number - sin cos tan NumAndShape Unlimited - Available including current paid content and paid content that will be added later - Hide advertisements
ChemSpark
Master chemistry concepts and prepare for exams with this comprehensive study tool. It offers a dynamic way to test knowledge across various topics, featuring diverse question types, visual learning aids, and detailed feedback to track progress and improve understanding.
- Extensive question bank with varying difficulty
- Multiple question types (multiple-choice, fill-in-the-blank)
- Visual learning aids with images and diagrams
- Detailed feedback and answer explanations
- Structured learning by subject and topic
- Progress tracking and score monitoring
- Interactive testing interface
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Struggling with Chemistry? Ace your AP, high school, or college exams with ChemSpark! Access hundreds of interactive questions, visual diagrams, and detailed explanations to master everything from the Periodic Table to Organic Chemistry. Key Features: Extensive Question Bank: Practice with a diverse set of questions covering numerous chemistry topics, complete with varying difficulty levels (easy, medium, hard). Multiple Question Types: Challenge yourself with different formats, including multiple-choice and fill-in-the-blank questions. Visual Learning: Enhance your understanding with questions that include relevant images and diagrams. Detailed Feedback: After completing a test, review your performance, see your score, and understand the reasoning behind answers with clear explanations for each question. Structured Learning: Navigate easily through well-organized subjects and topics to focus on specific areas of study. Interactive Testing: Experience a smooth and intuitive testing interface that allows you to select answers, move between questions, and receive immediate feedback upon test completion. Track Your Progress: Monitor your scores on tests to identify areas of strength and opportunities for improvement. Flexible Practice: Quit tests anytime or complete them to see your full results. Whether you're a high school student gearing up for exams, a college student tackling challenging coursework, or simply an enthusiast looking to refresh your chemistry knowledge, ChemSpark is your perfect study companion. Our "Recommended" section will also guide you to further resources and tools to enhance your learning journey! Download ChemSpark today and start your journey to chemistry mastery! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: ChemSpark at monthly against NumAndShape's every 2 months. 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. NumAndShape sells 6 one-off in-app purchases and ChemSpark sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
NumAndShape ships an update every 2 months, ChemSpark monthly. The most recent releases landed on October 8, 2026 and October 18, 2026 respectively.
| Parameter | NumAndShape | ChemSpark |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.3 (3 ratings) — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 2 months | Monthly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 — better | 17.6 |
| Further details — not scored | ||
| Size | 5 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | ken morobayashi | Lojas Software Corp |
In-app purchases
NumAndShape
- prime number$0.49
- power$0.49
- per hour$0.49
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- binary number$0.49
- sin cos tan$0.49
- NumAndShape Unlimited$1.99
ChemSpark
- Test Tube of Hints (25)$0.99
- Combustion Skips (5)$0.99
- Atomic Skips (15)$1.99
Show 2 moreShow fewer
- Beaker of Hints (60)$2.99
- Flask of Hints (150)$4.99
Questions
Is NumAndShape free?
Is ChemSpark free?
Do NumAndShape or ChemSpark have ads?
Which is updated more often, NumAndShape or ChemSpark?
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