Comparison

SOIC vs HDProEx

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Intelligent investing strategies
  • Indian stock market focus
  • Real-world case studies
  • Success and failure analysis
  • Lifelong investing principles
Features
Read full description

"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.

About

HDProEx

Features
Read full description

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

Screenshots

SOIC4 screens
HDProEx4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

SOIC ships an update every 2 months, HDProEx monthly. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 9 level
SOIC versus HDProEx: the parameters behind the verdict, then further details
ParameterSOICHDProEx
PriceFreeFree
Rating4.4 (5 ratings) — better—
Positive reviews73.3% of reviews—
Number of ratings5 — better—
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better16.4
Further details — not scored
Size86 MB85 MB
Age rating4+17+
DeveloperSCHOOL OF INTRINSIC COMPOUNDINGTagMango Inc

In-app purchases

2 purchases

SOIC

One-time2
  • Soic IAP$0.99
  • SOIC MEMBERSHIP$149.99
1 purchases

HDProEx

One-time1
  • Gold Membership$49.99

Questions

Is SOIC free?
SOIC is free to download, with in-app purchases available.
Is HDProEx free?
HDProEx is free to download, with in-app purchases available.
Do SOIC or HDProEx have ads?
Neither SOIC nor HDProEx shows ads.
Which is updated more often, SOIC or HDProEx?
SOIC ships an update every 2 months, and HDProEx monthly. Most recently, SOIC was updated on October 30, 2026 and HDProEx on October 25, 2026.

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