SOIC vs HDProEx
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SOIC
This platform teaches intelligent investing strategies specifically for the Indian stock market. It uses real-world case studies of successes and failures to illustrate practical investment principles. The goal is to empower users with lifelong investing knowledge.
- Intelligent investing strategies
- Indian stock market focus
- Real-world case studies
- Success and failure analysis
- Lifelong investing principles
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"School of Intrinsic Compounding"-SOIC, is a platform for all the investors in India who wish to learn how to invest intelligently. At SOIC, we promise to bring you content that can be applied in the Indian stock markets. In our opinion, learning happens only when theory meets reality, we'll be sharing a lot of case studies of past failures and success' through our videos. As the saying goes, give a man a fish you feed him for a day, teach a man how to fish you feed him for a lifetime. With this motto we aim to inculcate principles of intelligent investing in you.
HDProEx
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HDProEx is a practical learning platform for students, engineers, and professionals who want to master PCB Design and Hardware Design through structured training, projects, mentorship, and community support. What You'll Learn • PCB Design Blueprint • Hardware Design Blueprint • Component Selection and Circuit Design • Library Creation • Power Supply Design • DFM and DFA • Signal Integrity Basics • IoT Hardware Design • Industry Design Workflow • Career Growth and Interview Preparation Features • Structured Learning Paths • Lifetime Course Access • Practical Assignments • Downloadable Resources • Community Support • Live Workshops and Webinars • Industry-Oriented Training • Career Guidance Who Is This For? • Engineering Students • Fresh Graduates • PCB Designers • Hardware Engineers • Electronics Enthusiasts • Working Professionals Our Mission At HDProEx, our mission is to help learners bridge the gap between academic knowledge and real-world hardware product development by providing practical, industry-focused education. Learn • Build • Excel
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Verdict
The clearest difference is device support: SOIC at 3 against HDProEx's 1. 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. SOIC sells 2 one-off in-app purchases and HDProEx sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
SOIC ships an update every 2 months, HDProEx monthly. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.
| Parameter | SOIC | HDProEx |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (5 ratings) — better | — |
| Positive reviews | 73.3% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 16.4 |
| Further details — not scored | ||
| Size | 86 MB | 85 MB |
| Age rating | 4+ | 17+ |
| Developer | SCHOOL OF INTRINSIC COMPOUNDING | TagMango Inc |
In-app purchases
SOIC
- Soic IAP$0.99
- SOIC MEMBERSHIP$149.99
HDProEx
- Gold Membership$49.99









