Prof. Marvel's Crystal Ball vs Speedruns browser
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Prof. Marvel's Crystal Ball
This app simulates a magician's crystal ball routine. Spectators select a magic poster, and the crystal ball reveals their choice. It's a fun, interactive trick suitable for all ages.
- Simulated crystal ball effect
- Spectator poster selection
- Reveals chosen poster
- Downloadable magic posters
- Suitable for all ages
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Professor Marvel was a traveling magician. He studied with many of the best ghost talkers of the time. Your iDevice shows a beautiful transparent crystal ball on a draped table. You show one spectator a group of magic posters from the golden age of spiritualism: Alexander, Fay, Thurston, Carter, and Houdini. One spectator selects a poster and keeps his selection to himself. The other spectator rubs the crystal ball and the selected poster comes into view! Download the posters at our support page for free! A Fun routine for all ages and skills.
Speedruns browser
This app allows users to browse and discover speedrunning content for various games. You can search for games, runners, view leaderboards, and watch speedruns and live streams. It also supports adding games to favorites and offers a dark mode.
- Search games, series, and runners
- Browse platforms and popular games
- Favorite games for quick access
- Watch speedruns and live streams
- View personal bests and leaderboards
- Dark mode support
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Features included: - Searching for specific games, series or runners. - Browsing through all available platforms and most popular games. - Add games to favourites for faster and convenient access. - View most of the speed runs (support for youtube and twitch videos). - Check user's personal bests. - View latest leaderboards for specific speedrun category. - View live streams from the most popular speed runners. - Dark mode supported.
Screenshots
Verdict
The clearest difference is review sentiment: Speedruns browser at 100% against Prof. Marvel's Crystal Ball's 38%. Speedruns browser also leads on rating (5.0 vs 3.4) and update cadence (every 4 months vs every 39 months). Prof. Marvel's Crystal Ball's advantage is iOS requirement (12.0 vs 15.0). On price, ratings volume, 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. Neither carries in-app purchases, so what you see is what you pay.
Speedruns browser holds the better App Store score, 5.0 against 3.4. Both are backed by a comparable volume of ratings — 12 and 14 respectively. Written reviews point the same way: 38% of Prof. Marvel's Crystal Ball's written reviews are positive against 100% of Speedruns browser's.
Prof. Marvel's Crystal Ball ships an update every 39 months, Speedruns browser every 4 months. The most recent releases landed on June 5, 2026 and June 1, 2026 respectively.
| Parameter | Prof. Marvel's Crystal Ball | Speedruns browser |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (12 ratings) | 5.0 (14 ratings) — better |
| Positive reviews | 37.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 12 | 14 — better |
| Update frequency | Every 39 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 27 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Bruce Kalver | Kacper Mazurkiewicz |
Customer experience
Prof. Marvel's Crystal Ball
Speedruns browser
In-app purchases
Prof. Marvel's Crystal Ball
No in-app purchases
Speedruns browser
No in-app purchases
