Hey Learn vs Caliper
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hey Learn
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Transform Your Future with Dubai’s Leading AI Education Platform Join 70,000+ students, professionals, and entrepreneurs who’ve accelerated their careers and businesses with Hey Learn—where practical AI learning meets real-world success. Note: Some courses, mentorship sessions, and advanced modules require in-app purchases. Free resources are available for all users. Why Learners Choose Hey Learn AI-powered training to boost productivity and career growth (premium courses require subscription) Expert mentorship from industry leaders (some mentorship sessions require purchase) Vibrant community spanning students to professionals Learning paths tailored to entrepreneurs, students, fresh graduates, and working professionals Master Skills That Matter AI Tools Mastery – ChatGPT, Claude, Gemini for productivity & career development Digital Marketing – Strategies for competitive markets SEO & Content Creation – Build visibility in digital spaces Business Automation – Growth techniques that scale Technical Skills – No engineering background required Entrepreneurship – From freelancing to building ventures Inside the App Access structured courses and learning modules (premium content requires in-app purchase) Join live workshops and expert Q&A sessions (paid features) Connect with peers and mentors in a supportive community Track your progress and skill development Mobile-optimized learning for busy schedules Certificates for premium modules (via in-app purchase) Who Should Use Hey Learn Entrepreneurs scaling their ventures College students preparing for placements Fresh graduates entering competitive job markets Working professionals upskilling for AI-powered roles Career changers seeking digital and AI skill growth From campuses to corporate boardrooms, Hey Learn gives you the tools and community to thrive in today’s AI-first economy. Download Hey Learn today and start your learning journey—explore free content, and unlock premium courses, mentorship, and advanced modules via in-app purchase.
Caliper
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MEASURE. PRACTICE. BUILD SKILL. Caliper: Vernier Trainer turns a mechanical vernier scale into short, visual exercises. Find the moving zero, read the main scale, match a vernier line, and put the measurement together. START FREE Level 1 contains five whole-millimetre readings. The guided tutorial is free too. No account is required. LEARN AT YOUR PACE Work through the current 30-level course, from whole and half millimetres to 0.02 mm steps. Practice reading, setting the caliper, and timed Speed rounds. Your progress and active round are saved on your device, so you can resume the same exercises. CHALLENGE YOURSELF Explore four Challenge worlds—Easy, Normal, Hard and Impossible—with 30 levels each. The free Easy 01 round shares Level 1. The remaining Challenge levels require Full Access. Earn achievements as you progress. ONE-TIME FULL ACCESS Unlock Levels 2–30, Read, Set and Speed practice, and the remaining Challenge levels with one non-consumable in-app purchase. The price is shown in your local App Store currency. Restore your purchase in Settings. Choose light or dark appearance and one of 11 in-app languages.
Screenshots
Verdict
The clearest difference is update cadence: Caliper at every 2 days against Hey Learn's every 13 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. Hey Learn sells 1 one-off in-app purchase and Caliper sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Hey Learn ships an update every 13 months, Caliper every 2 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | Hey Learn | Caliper |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 13 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone |
| Requires iOS | 16.4 | 16.4 |
| Further details — not scored | ||
| Size | 85 MB | 37 MB |
| Age rating | 17+ | 4+ |
| Developer | TagMango Inc | Concept of Proof B.V. |
In-app purchases
Hey Learn
- AI SEO in 48 Hours$69.00
Caliper
- Caliper Full Access$2.99









