TechDraw vs Big Prize Wheel
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TechDraw
This drawing application offers built-in geometric shapes, a text editor, and an equation editor. It supports data transfer for collaboration and backup, and allows sharing on social media. A comprehensive user manual is included within the app.
- Geometric shapes library
- Text and equation editor
- Data transfer for collaboration
- Social media sharing
- Included user manual
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TechDraw is a full-featured drawing application combining built-in geometric shapes with a text and equation editor. Drawing data can be transferred for collaborative work and backup, and drawings can be shared on the popular social media outlets. A full user manual is included in the app.
Big Prize Wheel
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Using the methods used in video games (timely feedback, randomness, rewards), easily motivate yourself and your family to accomplish the impossible without expending willpower against humanity. After learning 10 words, use the roulette wheel to give yourself a reward, so that learning can give you more timely feedback. Your child is doing great? Don't give him rewards directly, use the roulette wheel to give him random rewards. Until he cared about his performance itself. Lost and don't know what to do? Take a spin on the roulette wheel that you wanted to do as a kid. Start planning for that hit!
Screenshots
Verdict
The clearest difference is price: Big Prize Wheel at Free against TechDraw's $7.99. Big Prize Wheel also leads on update cadence (every 2 weeks vs every 4 months). TechDraw's advantage is iOS requirement (13.0 vs 16.0). On 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
Big Prize Wheel is free to download; TechDraw costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.
TechDraw ships an update every 4 months, Big Prize Wheel every 2 weeks. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.
| Parameter | TechDraw | Big Prize Wheel |
|---|---|---|
| Price | $7.99 | Free — better |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 2 MB | 1 MB |
| Age rating | 12+ | 4+ |
| Developer | Kelly Technology Inc. | 毅盛 汪 |
In-app purchases
TechDraw
No in-app purchases
Big Prize Wheel
No in-app purchases
Questions
Is TechDraw free?
Is Big Prize Wheel free?
Do TechDraw or Big Prize Wheel have ads?
Which is updated more often, TechDraw or Big Prize Wheel?
Other comparisons
