RubyEvents vs Grindstone
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RubyEvents
Discover Ruby conferences worldwide and watch thousands of recorded talks on demand. Explore speaker profiles, browse by topic, and stay connected with the Ruby community. This open-source initiative is continuously updated with new events and content.
- Discover upcoming Ruby conferences globally
- Filter events by date and location
- Watch thousands of recorded talks
- Search talks by topic, speaker, or event
- Follow favorite speakers and view their talks
- Browse talks by specific topics like Hotwire or Rails
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Your guide to the Ruby events world — in your pocket. RubyEvents.org brings the entire ecosystem of Ruby conferences and recorded talks to your fingertips. Whether you're planning your next in-person event or looking to catch up on standout sessions from past conferences, this app makes it effortless to stay connected with the Ruby community. Discover Upcoming Events Explore a curated list of Ruby conferences happening around the globe. Filter by date or location, and dive into event details including speakers, topics, and links to official websites. Watch Talks On the Go Access thousands of recorded talks from past Ruby events, directly within the app. Search by topic, speaker, or event, and pick up where you left off anytime. Follow Your Favorite Speakers Get to know prominent and emerging voices in the Ruby world. Browse speaker profiles, see all their talks in one place, and discover new favorites. Browse by Topic Looking to dive deep into Hotwire, Rails performance, or testing strategies? With topic-based navigation, you can quickly find talks that match your interests and expand your skills. Community-Powered RubyEvents.org is an open source initiative built by and for the Ruby community. The app is continuously updated as new events and talks become available.
Grindstone
Discover side hustles that truly align with your personality through a detailed quiz. Get matched to over 370 ranked opportunities with personalized insights and step-by-step guides.
- Personality quiz
- 370+ ranked side hustles
- Hustler DNA profile
- Shareable insight cards
- Step-by-step hustle guides
- Progress tracking
- Compare with friends
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Find the side hustle that actually fits your personality. Not someone else's. Yours. Most people quit their side hustle within 90 days — not because they're lazy, but because they picked the wrong one. Grindstone fixes that. Take a deep personality quiz. Get matched to 370+ real side hustles ranked by how well they fit YOU. No generic lists. No guesswork. Just science-backed matching based on who you actually are. DISCOVER YOUR HUSTLER DNA Answer 70+ questions across 5 categories — Mindset, Workstyle, Social, Money, and Risk. Grindstone measures 26 personality traits to build your unique Hustler DNA profile, complete with your own DNA code and archetype pairing. YOUR RESULTS, WRAPPED-STYLE Get your personality revealed through stunning, shareable insight cards — your strengths, watch-outs, dark side, pressure profile, money DNA, risk tolerance, and more. Screenshot them. Share them. Compare with friends. 370+ SIDE HUSTLES, RANKED FOR YOU Every hustle comes with a personal match percentage and a detailed breakdown of why it fits — or doesn't fit — your personality. Browse by category, startup cost, or speed to first income. COMPLETE GUIDES FOR EVERY HUSTLE Each side hustle includes step-by-step instructions, recommended tools, realistic income ranges, pros and cons, and an honest reality check. No fluff. No hype. COMPARE WITH FRIENDS Generate your compare code and send it to a friend. See a side-by-side breakdown of how your personalities stack up — who's more creative, more disciplined, more risk-tolerant. TRACK YOUR PROGRESS Set a hustle as yours, log your income, build a daily streak, and stay accountable with smart reminders. 10 ARCHETYPES Discover if you're a Scout, Closer, Builder, Analyst, Creator, Operator, Connector, Hustler, Strategist, or Maverick — and what your unique pairing means for your earning potential. 100% FREE Every feature. Every hustle. Every insight. Completely free. No subscriptions. No paywalls. No catch. Start finding the right hustle — not just any hustle.
Screenshots
Verdict
The clearest difference is rating: RubyEvents at 5.0 against Grindstone's 4.7. Grindstone's advantage is ratings volume (7 vs 1) and iOS requirement (15.1 vs 17.6). 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.
RubyEvents holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Grindstone has 7 ratings behind it against 1, so its average is the more settled of the two.
| Parameter | RubyEvents | Grindstone |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.7 (7 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 7 — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 5 MB | 40 MB |
| Age rating | 4+ | 12+ |
| Developer | Marco Roth | James Hulse |
Customer experience
RubyEvents
Grindstone
In-app purchases
RubyEvents
No in-app purchases
Grindstone
No in-app purchases









