Comparison

USB Disk vs Habit Tracker

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

Head to head
About

USB Disk

Manage and view documents on your iPhone or iPad with this intuitive file manager. Access cloud storage, open various file types, and transfer files via iTunes. Advanced features like photo library access and PDF annotation are available via subscription.

Highlights
  • Cloud storage integration (Dropbox, Google Drive, OneDrive, Box)
  • Built-in document viewer for various file types
  • File transfer via iTunes
  • Create and open zip files
  • Swipe navigation and file previews
  • Email documents and download attachments
Features
Read full description

USB Disk lets you store, view and manage documents on your iPhone or iPad. It has an amazing built in document viewer and is very easy to use, with a simple and intuitive interface, yet it contains many powerful features. Drag and drop files in iTunes to transfer them to your iPhone or iPad, then view them anywhere! TUAW - "USB Disk is [...] a nicely designed one." Lifehacker - "The Best. USB Disk for iOS gives you a fast and easy way to transfer documents and images to your device." Apple - "New and Noteworthy" TOP REASONS TO BUY • Access Dropbox, Google Drive, OneDrive and Box. • Open and create zip files. • Store and view files. • Navigate using swipes (like Photos / iBooks app). • Thumbnails let you preview your files. • Copy, paste, cut, delete and create files. MORE FEATURES • View and download email attachments. • Restores last viewing position. • Full screen file viewer. • CBR and CBZ file viewer. • USB file transfers. • Background audio. • Slideshow with adjustable delay. • Fast scrolling, page up/down functionalities. • Email your documents. • Lock code. SUPPORTED FILE TYPES • PDF files. • Compressed files (zip, rar). • MS Office documents. • iWork documents. • Pictures (jpg, png, gif, ...). • eBooks (pdf, ePub, html, txt, ...). • Comics (cbr, cbz, pdf, ...). • Audio files (mp3, m4a, wav, ...). • Video files (m4v, mov, avi, mkv, ...). UPDATES Buy now and get free updates. SUBSCRIPTION All features listed above can be used without an in app purchase. Some advanced features require an active subscription. These include: • Access the device's photos library. • Protect the access to the app or specific files and folders with lock codes. • Access WebDAV and FTP servers. You can also configure SharePoint connections. • Edit simple text files. Also annotate PDF files. • Present files on external screens. Duration and price of each subscription are displayed in our storefront. All subscription costs will be charged to your Apple ID account, starting at the confirmation of purchase. Subscription automatically renews unless it is canceled at least 24 hours before the end of the subscription period. Your account will be charged for renewal within 24 hours prior to the end of the subscription period. It is not possible to cancel a subscription period once you have been charged for it. Any unused portion of a free trial period is forfeited as soon as a subscription is purchased. You can manage subscriptions and disable auto renewal by going to your account settings on the App Store after purchase. Terms of Service: https://imesart.com/legal/terms-of-service.php

About

Habit Tracker

Features
Read full description

Keppo brings together everything you need to build better habits, track your time, and manage projects - all in one elegant app. FREE FEATURES Get started with essential productivity tools at no cost: DAILY COUNTERS - Track up to 3 habits with one-tap counting - Set daily, weekly, or monthly goals - Automatic reset cycles to start fresh - Custom icons and colors for each counter TIME TRACKER - Simple start/stop timer - Create custom categories with colors and icons - Set daily time goals per category - View session history PROJECT BOARDS - Create 1 project with Kanban-style boards - Drag and drop cards between columns - Add descriptions, due dates, and priorities - Collaborate with up to 2 team members WHY KEPPO? - Clean, distraction-free design - Works offline with automatic sync - Sign in with Apple, Google, or email - Real-time sync across all your devices - Privacy-focused: your data stays yours KEPPO PRO (Optional Subscription) Unlock the full experience with Pro: - Unlimited counters, notes, and projects - Pomodoro timer with customizable work/break cycles - Streak tracking to stay motivated - Focus analytics and insights - Contribution calendar view - Unlimited project members and custom roles Whether you're building new habits, tracking how you spend your time, or managing projects - Keppo adapts to your workflow. Subscription Terms: - Payment will be charged to your Apple ID account at confirmation of purchase - Subscription automatically renews unless canceled at least 24 hours before the end of the current period - Your account will be charged for renewal within 24 hours prior to the end of the current period - You can manage and cancel your subscriptions by going to your App Store account settings after purchase - Any unused portion of a free trial period will be forfeited if you purchase a subscription Terms of Use: https://cristea2017.github.io/habit/terms.txt Privacy Policy: https://cristea2017.github.io/habit/privacy.txt

Screenshots

USB Disk4 screens
Habit Tracker4 screens

Verdict

The call

The clearest difference is price: Habit Tracker at Free against USB Disk's $0.99. Habit Tracker also leads on ads (none vs shown). USB Disk's advantage is device support (4 vs 2) and iOS requirement (12.0 vs 17.0). On update cadence and in-app purchases 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

Habit Tracker is free to download; USB Disk costs $0.99 up front. USB Disk sells 10 in-app purchases, starting at $4.99 per month and Habit Tracker sells 2 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

USB Disk ships an update every 3 months, Habit Tracker every 2 months. The most recent releases landed on September 28, 2026 and September 19, 2026 respectively.

Scorecard4 real differences · 6 level
USB Disk versus Habit Tracker: the parameters behind the verdict, then further details
ParameterUSB DiskHabit Tracker
Price$0.99Free — better
Rating4.6 (160 ratings) — better—
Positive reviews70.8% of reviews—
Number of ratings160 — better—
Update frequencyEvery 3 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size170 MB71 MB
Age rating4+4+
DeveloperImesart S.a.r.l.Victor Cristea

Bugs and requests

USB Disk

Reported bugs

3 issues
  • Inability to open certain file types
  • Compatibility issues with newer iOS versions
  • Syncing problems between devices

Requested features

4 requests
  • Support for more file types
  • Improved integration with cloud storage services
  • Ability to edit and annotate files
  • Better organization and folder management

Habit Tracker

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

USB Disk

Subscriptions1
  • USB Disk Pro Monthly7 Days trial$4.991 Month
One-time9
  • Audio Player +$0.99
  • Zip files support$0.99
  • Dropbox access$0.99
Show 6 more
  • Lock code$0.99
  • Text editor$0.99
  • Evernote access$0.99
  • Google Drive access$0.99
  • OneDrive access$0.99
  • WebDAV access$1.99
2 purchases

Habit Tracker

Subscriptions2
  • Weekly Plan$1.997 Days
  • Monthly Plan3 Days trial$3.991 Month

Questions

Is USB Disk free?
USB Disk costs $0.99, and also offers in-app purchases.
Is Habit Tracker free?
Habit Tracker is free to download, with in-app purchases available.
Do USB Disk or Habit Tracker have ads?
USB Disk shows ads; Habit Tracker does not.
Which is updated more often, USB Disk or Habit Tracker?
USB Disk ships an update every 3 months, and Habit Tracker every 2 months. Most recently, USB Disk was updated on September 28, 2026 and Habit Tracker on September 19, 2026.

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