Comparison

RAID Calc2 vs SysOpsKit

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

RAID Calc2

Features
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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 won’t get updates. Its successor is RAID Calculator, from the same developer. It’s 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 β€œRAID Calculator”, 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 doesn’t 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.

About

SysOpsKit

Features
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SysOpsKit is a practical toolkit for sysadmins, DevOps engineers, SREs, and support teams. The app combines two things in one place: - an offline-first command handbook - a focused set of daily network and data utilities You can quickly find and reuse commands for Windows, Linux, and macOS (PowerShell, CMD, Bash, Zsh), save favorites, and build your own snippet collection with notes. Core capabilities: - Fast search by title, description, and tags - Favorites and personal command snippets - Copy-ready command cards with clear structure - Sync of favorites and custom snippets across devices Built-in utilities cover common operational tasks such as: - SSH terminal for remote administration - SFTP client for browsing and transferring files over SSH - TCP/UDP diagnostics, port checks, and common ports scan - DNS lookups, WHOIS/RDAP, IP info, and CIDR/subnet calculations - HTTP requests, cURL parsing, and WebSocket testing - JWT inspection, UUID/ULID generation/validation, HMAC calculator - JSON/YAML formatting, regex testing, and TLS diagnostics - Messaging protocol checks for MQTT, AMQP, and WAMP Instead of switching between many small tools and websites, keep your day-to-day ops workflow in one app that still works when your connection is limited. Term Of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

RAID Calc23 screens
SysOpsKit4 screens

Verdict

The call

The clearest difference is in-app purchases: RAID Calc2 at none against SysOpsKit's 1. SysOpsKit's advantage is update cadence (every 3 days vs every 5 months) and iOS requirement (15.6 vs 26.0). On price, 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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. SysOpsKit sells 1 in-app purchase, starting at $1.99 per month. RAID Calc2 asks for nothing beyond the download.

UpkeepUpdate frequency

RAID Calc2 ships an update every 5 months, SysOpsKit every 3 days. The most recent releases landed on October 16, 2026 and October 4, 2026 respectively.

Scorecard3 real differences Β· 3 level
RAID Calc2 versus SysOpsKit: the parameters behind the verdict, then further details
ParameterRAID Calc2SysOpsKit
PriceFreeFree
Update frequencyEvery 5 monthsEvery 3 days β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS26.015.6 β€” better
Further details β€” not scored
Size7 MB36 MB
Age rating12+17+
DeveloperTodd GrecoAleksandr Dreval

In-app purchases

None

RAID Calc2

No in-app purchases

1 purchases

SysOpsKit

Subscriptions1
  • Full Version$1.991 Month

Questions

Is RAID Calc2 free?
RAID Calc2 is free to download, with no in-app purchases.
Is SysOpsKit free?
SysOpsKit is free to download, with in-app purchases available.
Do RAID Calc2 or SysOpsKit have ads?
Neither RAID Calc2 nor SysOpsKit shows ads.
Which is updated more often, RAID Calc2 or SysOpsKit?
RAID Calc2 ships an update every 5 months, and SysOpsKit every 3 days. Most recently, RAID Calc2 was updated on October 16, 2026 and SysOpsKit on October 4, 2026.

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