Comparison

RAID Calc2 vs Flash Cleaner Pro

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
Read full description

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

Flash Cleaner Pro

Features
Read full description

Flash Cleaner Pro helps you organize your photo library and free up storage space quickly and safely. Key Features: β€’ Duplicate Photo Cleaner Find and remove duplicate photos to recover valuable storage space. β€’ Similar Photo Detection Identify visually similar photos and keep only the best shots. β€’ Video Cleaner Locate large and duplicate videos that take up unnecessary space. β€’ Contact Cleanup Merge duplicate contacts and organize your address book. β€’ Storage Overview Monitor device storage usage and understand what's consuming space. β€’ Fast & Easy Clean your library with an intuitive and user-friendly interface. Why Choose Flash Cleaner Pro? - Smart duplicate detection - Easy photo and video management - Secure and private processing - Quick storage recovery - Simple and modern design Privacy First Your photos, videos, and contacts remain under your control. Flash Cleaner Pro processes data on your device and does not upload personal content without permission. Download Flash Cleaner Pro and enjoy a cleaner, more organized iPhone today.

Screenshots

RAID Calc23 screens
Flash Cleaner Pro3 screens

Verdict

The call

The clearest difference is update cadence: Flash Cleaner Pro at every 2 weeks against RAID Calc2's every 5 months. Flash Cleaner Pro also leads on iOS requirement (17.0 vs 26.0). On price, ads, 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

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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

RAID Calc2 ships an update every 5 months, Flash Cleaner Pro every 2 weeks. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

Scorecard2 real differences Β· 4 level
RAID Calc2 versus Flash Cleaner Pro: the parameters behind the verdict, then further details
ParameterRAID Calc2Flash Cleaner Pro
PriceFreeFree
Update frequencyEvery 5 monthsEvery 2 weeks β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.017.0 β€” better
Further details β€” not scored
Size7 MB23 MB
Age rating12+4+
DeveloperTodd Grecoθ™Ž 杨

In-app purchases

None

RAID Calc2

No in-app purchases

None

Flash Cleaner Pro

No in-app purchases

Questions

Is RAID Calc2 free?
RAID Calc2 is free to download, with no in-app purchases.
Is Flash Cleaner Pro free?
Flash Cleaner Pro is free to download, with no in-app purchases.
Do RAID Calc2 or Flash Cleaner Pro have ads?
Neither RAID Calc2 nor Flash Cleaner Pro shows ads.
Which is updated more often, RAID Calc2 or Flash Cleaner Pro?
RAID Calc2 ships an update every 5 months, and Flash Cleaner Pro every 2 weeks. Most recently, RAID Calc2 was updated on October 25, 2026 and Flash Cleaner Pro on October 31, 2026.

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