Plain Events vs RAID Calc2
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Plain Events
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PlainEvents helps groups coordinate the details that make an event work: who is coming, where to be, what is happening, what needs to get done, and what changed. Create an event, invite guests, build a schedule, add activities, assign tasks, share updates, and collect quick decisions with polls. Whether you are planning a wedding weekend, birthday, potluck, trip, conference, or casual get-together, PlainEvents keeps the moving pieces organized in one shared place. Key features: β’ Create events with dates, locations, descriptions, and helpful details β’ Invite guests and track response states β’ Build schedules and activities with registrations for multi-part events β’ Assign tasks so responsibilities are clear β’ Post event news and updates β’ Use polls to make group decisions β’ Organize locations and event-specific details β’ Coordinate potlucks, weddings, conferences, birthdays, and more PlainEvents is built for real coordination, not just saving a date. It gives hosts and guests a clear shared view of the plan so everyone knows what is happening and where to be next. Privacy Policy: https://www.plainevents.com/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
RAID Calc2
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Understand your RAID before you build it. RAID Calculator gives you quick, accurate estimates of usable capacity and redundancy for common RAID levels. Whether youβre planning a homelab, sizing storage for a small office, or just learning how RAID works, this simple calculator helps you reason about your arrays in seconds. Features β’ Supports common RAID levels (e.g., RAID 0, 1, 5, 6, 10)* β’ Enter disk size and disk count to see usable capacity β’ See how many drive failures your configuration can tolerate β’ Works completely offline β no accounts, no analytics, no ads β’ Clean, focused UI with instant results Privacy-friendly by design All calculations run locally on your device. RAID Calculator doesnβt collect personal data, use trackers, or send your RAID configurations anywhere. Who is it for? β’ Homelab and NAS enthusiasts β’ IT admins and sysadmins β’ Students learning about storage and redundancy β’ Anyone who wants a quick RAID sanity check Plan your arrays with more confidence and less guesswork.
Screenshots
Verdict
The clearest difference is in-app purchases: RAID Calc2 at none against Plain Events's 3. On price, update cadence, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Plain Events sells 3 in-app purchases, starting at $4.99 per month. RAID Calc2 asks for nothing beyond the download.
Plain Events ships an update every 8 days, RAID Calc2 every 2 weeks. The most recent releases landed on September 21, 2026 and September 11, 2026 respectively.
| Parameter | Plain Events | RAID Calc2 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 days β better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Devices | iPhone | iPhone, iPad β better |
| Requires iOS | 18.5 β better | 18.6 |
| Further details β not scored | ||
| Size | 52 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | TightApps | Todd Greco |
In-app purchases
Plain Events
- Plain Events Pro (Monthly)7 Days trial$4.991 Month
- Plain Events Pro (Yearly)1 Month trial$44.991 Year
- Plain Events Pro (Lifetime)$399.00
RAID Calc2
No in-app purchases





