Invi eCards vs RAID Calc2
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Invi eCards
Easily create and share personalized digital invitations and greeting cards for any occasion. Customize designs with your own text and share instantly via a unique link, eliminating the need for paper.
- Customizable templates
- Personalized text and details
- Instant link sharing
- Digital viewing on any device
- Eco-friendly alternative to paper cards
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Tired of generic greeting cards? Invi makes creating beautiful and shareable eCards a breeze! Here's what Invi offers: Effortless Design: Choose from a variety of professionally designed templates for birthdays, wedding invitations, and more. Personalized Touch: Add your own details like names, dates, and messages to customize your eCard. Instant Sharing: Generate a unique eCard link that you can easily share via text message, email, or social media. No Hassle Printing: Ditch the paper! Invi allows recipients to view your eCard on any device. Eco-Friendly: Save the environment by creating digital greetings. Invi is perfect for anyone who wants to: Send personalized invitations for any occasion. Create beautiful greetings for birthdays, holidays, and more. Impress your friends and family with stunning eCards. Save time and money compared to traditional paper cards. Download Invi today and start creating amazing eCards!
RAID Calc2
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RAID Calc2 is retiring. It leaves the App Store on December 31, 2026. It keeps working on your device after that, but wonβt get updates. Its successor is RAID Calculator, from the same developer. Itβs the same calculator, plus NAS planning for Synology SHR, Unraid, ZFS, SnapRAID and Btrfs, RAID 50 and 60, and RAID-Z. Search the App Store for βRAID Calculatorβ, or tap the banner in the app. UNTIL THEN, RAID CALC2 STILL DOES THE JOB β’ RAID 0, 1, 5, 6, 10 and JBOD β’ Usable and raw capacity, and how efficient the layout is β’ What the space will show as in TiB, the binary units most systems report β’ A drive strip showing which drives hold data, parity or mirrors β’ How many drive failures the array survives β’ Speed and availability ratings, with a plain-language guide to every level β’ A caution before a risky rebuild on large drives, with a one-tap switch to RAID 6 β’ One-tap fixes when the drive count doesnβt suit the level ON EVERY SCREEN β’ On iPad, and on iPhone Duo opened in landscape, results sit beside inputs β’ Rotates to landscape on iPhone β’ Built for iOS 26 with native controls and Liquid Glass β’ Dark mode, Dynamic Type at every size, and full VoiceOver support β’ In English, Spanish, French, Italian, Japanese, German, Traditional and Simplified Chinese, Korean and Brazilian Portuguese PRIVATE No accounts, no tracking, no ads. Everything stays on your device. Not affiliated with or endorsed by Synology Inc. Synology and SHR are trademarks of Synology Inc. Not affiliated with or endorsed by Lime Technology, Inc. Unraid is a trademark of Lime Technology, Inc. ZFS is a trademark of Oracle and/or its affiliates. Not affiliated with or endorsed by Oracle.
Screenshots
Verdict
The clearest difference is ads: RAID Calc2 at none against Invi eCards's shown. Invi eCards's advantage is update cadence (every 6 days vs every 5 months) and iOS requirement (16.6 vs 26.0). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Invi eCards ships an update every 6 days, RAID Calc2 every 5 months. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.
| Parameter | Invi eCards | RAID Calc2 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | β |
| Update frequency | Every 6 days β better | Every 5 months |
| Ads | Yes | No β better |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | β |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 β better | 26.0 |
| Further details β not scored | ||
| Size | 75 MB | 7 MB |
| Age rating | 4+ | 12+ |
| Developer | Mukul M L | Todd Greco |
In-app purchases
Invi eCards
No in-app purchases
RAID Calc2
No in-app purchases
Questions
Is Invi eCards free?
Is RAID Calc2 free?
Do Invi eCards or RAID Calc2 have ads?
Which is updated more often, Invi eCards or RAID Calc2?
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