JCBlock vs Smart Prediger
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JCBlock
Control drones and coding boards using block-based programming. This educational tool allows users to create code for various devices like JDKit, JDCode, JCBoard, and Arduino.
- Block-based coding interface
- Drone control (JDKit, JDCode)
- Coding board control (JCBoard, UglyBot, Arduino, RoboDog)
- Educational programming tool
- Device compatibility
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드론(JDKit, JDCode) 및 코딩용 보드(JCBoard, UglyBot, Arduino, RoboDog)를 블럭코딩하여 제어하는 프로그램
Smart Prediger
This diagnostic application helps individuals assess their interests, aptitudes, and career paths. It provides personalized recommendations for majors, books, and role models, delivered via email for educational and organizational use.
- Intuitive self-diagnosis
- Interest and aptitude assessment
- Career and major recommendations
- Personalized book suggestions
- Role model identification
- Email report delivery
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SMART PREDIGER Smart Prediger is a high-tech diagnostic application. Smart Prediger is supplied in the form of “B to B” and “B to G.” It is supplied in the form of software to schools by consulting with the Ministry of Education, local governments and businesses. Smart Prediger attains a diagnosis based on an intuitive action. Participants in organizations and schools diagnose themselves by using the cutting-edge device. The results of the diagnosis are shown on the screen of the iPhone or ipad and can be used for lectures. In addition, information on an individual’s interests, aptitude, career recommendations, major recommendations, must read books and role models are comprehensively provided via emails that they can be used for schools and organizations in a variety of forms.
Screenshots
Verdict
The clearest difference is review sentiment: Smart Prediger at 86% against JCBlock's 0%. JCBlock's advantage is update cadence (every 4 months vs every 18 months) and iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and monetization model 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.
JCBlock ships an update every 4 months, Smart Prediger every 18 months. The most recent releases landed on September 7, 2026 and August 28, 2026 respectively.
| Parameter | JCBlock | Smart Prediger |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | 85.7% of reviews — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 months — better | Every 18 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 8 MB | 87 MB |
| Age rating | 4+ | 4+ |
| Developer | InSoo Kim | Prediger |
Customer experience
JCBlock
Smart Prediger
In-app purchases
JCBlock
No in-app purchases
Smart Prediger
No in-app purchases
