Comparison

ScratchQ vs Storage Manager

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

Head to head
About

ScratchQ

This app serves as a digital scratchpad for everyday calculations, allowing users to save annotated versions for future reference. It features a color-coded system for organizing calculations and a custom keyboard for easy editing and access to operators.

Highlights
  • Save annotated calculations
  • Color-coded file system
  • Custom keyboard for editing
  • Easy access to arithmetic operators
  • Organize everyday math problems
Features
Read full description

ScratchQ is a scratch pad for all of the "back-of-the-envelope" calculations that we do in everyday life. Whether it is calculating the commission earned on a sale, the square footage of a room, or your grade point average, ScratchQ allows you to save an annotated version of the calculation that you can refer back to again and again. A simple color-coded file system allows you to categorize your calculations. ScratchQ comes with a custom keyboard that allows for easy editing of your saved calculations and easy access to the most common arithmetic operators.

About

Storage Manager

Reclaim storage space and boost device performance with this app. It automatically detects and removes duplicate photos, contacts, and screenshots. Additionally, it offers media compression and calendar optimization to keep your device organized and running smoothly.

Highlights
  • Duplicate photo, contact, and screenshot removal
  • Media compression for photos and videos
  • Calendar event optimization
  • Swipe-to-delete functionality
  • Additional convenience widgets
Read full description

Nano Cleaner is a handy app that helps improve your device's performance by cleaning up storage. Its easy-to-use interface and powerful features make it simple to reclaim space and organize your files, keeping your device running smoothly. Main Features: Duplicate Removal: Automatically detects and deletes unnecessary duplicates of photos, contacts and screenshots, helping you save space on your device. Media Compression: Compresses videos and photos to free up additional storage space without sacrificing quality. Calendar Optimization: Quickly removes old or unnecessary events from your calendar to keep it organized and clutter-free. Swipe-to-Delete: Easily swipe through photos and remove unwanted ones with a simple gesture. Additional Widgets: Provides extra widgets for added convenience and functionality. Nano Cleaner is the ultimate solution for optimizing your device. It removes duplicate files, optimizes contacts and calendars, compresses files, and offers manual sorting options, all in one convenient package. Keep your device clean, organized, and performing at its peak with Nano Cleaner. Reclaim valuable storage space and optimize your device's performance today. By using Nano Cleaner, you agree to: - Privacy Policy: https://cherkagoapps.com/privacy.html - Terms & Conditions: https://cherkagoapps.com/terms.html

Screenshots

ScratchQ4 screens
Storage Manager4 screens

Verdict

The call

The clearest difference is price: Storage Manager at Free against ScratchQ's $7.99. Storage Manager also leads on update cadence (every 2 weeks vs every 22 months) and ratings volume (4K vs 1). ScratchQ's advantage is rating (5.0 vs 4.4) and in-app purchases (none vs 7). On device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Storage Manager is free to download; ScratchQ costs $7.99 up front. Storage Manager sells 7 in-app purchases, starting at $6.99 per 7 days. ScratchQ asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ScratchQ holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Storage Manager has 4K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

ScratchQ ships an update every 22 months, Storage Manager every 2 weeks. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

Scorecard7 real differences · 3 level
ScratchQ versus Storage Manager: the parameters behind the verdict, then further details
ParameterScratchQStorage Manager
Price$7.99Free — better
Rating5.0 (1 ratings) — better4.4 (4K ratings)
Positive reviews—63.9% of reviews
Number of ratings14K — better
Update frequencyEvery 22 monthsEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size1 MB90 MB
Age rating4+4+
DeveloperAutoolmaq LLCCherkago Apps

Customer experience

ScratchQ

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Storage Manager

All ratings3,951 ratings
Positive84.7%
Neutral8.0%
Negative7.3%
Written reviews108 reviews
Positive63.9%
Neutral8.3%
Negative27.8%

Bugs and requests

ScratchQ

Not enough reviews yet to summarise bugs or requests.

Storage Manager

Reported bugs

2 issues
  • Deleting user photos unexpectedly
  • Crashes and freezes on older devices

Requested features

2 requests
  • Ability to clean without interrupting phone usage
  • Improved user interface and guidance

In-app purchases

None

ScratchQ

No in-app purchases

7 purchases

Storage Manager

Subscriptions6
  • Weekly Premium 7 days free7 Days trial$6.997 Days
  • Premium Access3 Days trial$6.997 Days
  • Premium Access3 Days trial$9.997 Days
Show 3 more
  • Premium Access7 Days trial$9.997 Days
  • Premium Access$29.991 Year
  • Year Premium Full Access$39.991 Year
One-time1
  • Lifetime Access$39.99

Questions

Is ScratchQ free?
ScratchQ costs $7.99, with no in-app purchases.
Is Storage Manager free?
Storage Manager is free to download, with in-app purchases available.
Which has better reviews, ScratchQ or Storage Manager?
ScratchQ is rated higher. ScratchQ averages 5.0 out of 5 from 1 ratings, while Storage Manager averages 4.4 from 4K ratings.
Do ScratchQ or Storage Manager have ads?
Storage Manager shows ads; ScratchQ does not.
Which is updated more often, ScratchQ or Storage Manager?
ScratchQ ships an update every 22 months, and Storage Manager every 2 weeks. Most recently, ScratchQ was updated on November 2, 2026 and Storage Manager on November 4, 2026.

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