Comparison

iSilo vs Keeper Password Manager

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

Head to head
About

iSilo

Read various document formats including iSilo, Palm Doc, and plain text. Access a vast library of content, organize your files, and customize viewing options for a personalized reading experience. Transfer documents easily via USB, Wi-Fi, or web download.

Highlights
  • Supports iSilo, Palm Doc, and plain text formats
  • Extensive document library and creation tools
  • Organize documents with categories and favorites
  • Customizable viewing options (font, colors, themes)
  • Autoscroll, full-screen, and orientation support
  • Text search, copy, and annotation
  • Multiple document transfer methods (USB, Wi-Fi, Web)
Features
Read full description

Document reader for viewing document files in iSilo, Palm Doc, and plain text format. Bonus: Get the complete edition of the CIA World Factbook for free, with layout optimized for viewing on your iPhone, iPod touch, or iPad using iSilo. In addition to full information for all the countries of the world, the complete edition contains appendixes, reference maps, field cross-reference links, rank order pages, country profiles for all fields, enlarged flag pages with descriptions, enlarged country maps, and more. Tens of thousands of documents, eBooks, reference works, non-fiction, fiction available for ready download through the iSilo library. Create your own documents too. Document list provides recently viewed list of documents, ability to categorize documents into single or multiple categories, marking of favorite folders for easy access, and file explorer access to entire document directory with document file management operations, such as copying/moving/deleting/renaming document files and creating/deleting/renaming folders. Document viewing options provide for font size and typeface selection, along with customizable color themes with selectable background and text colors. Autoscroll with adjustable speed, view documents in full screen, complete support for both portrait and landscape orientations and rotation. Jump history for easily navigating back and forth when following hyperlinks and jumping to different locations in the document. Documents open to last viewed location. Bookmarks. Document text search. Select a range of text to copy or annotate it with a comment and choice of color highlighting. Easily transfer documents to your device via USB, via Wi-Fi by connecting to iSilo's built-in file server from your computer, or via download from the Web. Configure the screen to perform actions when tapped. Assignable actions include scrolling, full screen mode, font sizing, among many others. The latest version adds the ability to view additional file types. Additional image file types include .jpg, .png, .gif, .tif, among others. Additional document file types include .pdf, .htm, Word (.doc, .docx), Excel (.xls, .xlsx), and PowerPoint (.ppt, .pptx). See the manual for more details on the additional file type support.

About

Keeper Password Manager

Securely store, generate, and autofill passwords, passkeys, and 2FA codes across all your devices. Protects sensitive data with zero-knowledge encryption and monitors the dark web for breaches.

Highlights
  • Secure password generation
  • Passkey and 2FA code storage
  • Cross-device syncing
  • Autofill credentials
  • Zero-knowledge encryption
  • Dark web breach monitoring
Features
Read full description

Keeper is the leading password manager, combining enterprise-grade security with real human support. Rated 4.9 stars by 228,000 people and trusted by 95,000+ businesses and Fortune 500 companies globally. Named Password Manager of the Year by PCMag and the Top-Ranked Identity Security Solution by Newsweek. SIGN IN INSTANTLY Generate strong, unguessable passwords and passphrases with one tap, then autofill them in any app or website. Create and save passkeys that sync across all your devices, and store 2FA codes right inside your vault for one-tap logins – no separate authenticator app needed. Unlock your entire digital life instantly with Face ID or Touch ID – the fastest, most seamless login experience across every device you own. WORLD-CLASS SECURITY Every record is encrypted on your device before it ever touches our servers – unreadable to everyone, including Keeper. Lock or wipe any lost device remotely. Protect your vault with hardware security keys like YubiKey®. The first password manager to deploy quantum-resistant cryptography directly into the app, to protect your data in transit against quantum threats. SOC 2 Type I and II; ISO 27001, 27017 and 27018 certified; FedRAMP High Certified and GovRAMP High Authorized; and recognized in the Gartner® Magic Quadrant™ for Privileged Access Management. MORE THAN JUST PASSWORDS Keeper is your complete digital vault – store and organize your payment cards, passports, driver's licenses, insurance cards, secure notes, SSH keys, software licenses and medical records alongside your passwords. Everything encrypted, everything searchable, everything instantly available on every device. Automatically fill payment details, addresses and forms on any website – saving you time on everything you do online, every single day. 24/7 EXPERT SUPPORT Get help from a real Keeper expert anytime. Our dedicated support team is available around the clock, every day of the year. No bots and no week-long email chains – just professional team members who help you. DARK WEB MONITORING BreachWatch® continuously scans the dark web and alerts you the moment one of your accounts appears in a data breach, so you can change the password before cybercriminals use it. Best of all, monitoring runs entirely within Keeper's own secure infrastructure – your personal data stays completely private. SECURELY SHARE PASSWORDS AND ACCESS Share a password, passkey or file with anyone – even people who don't use Keeper – with a One-Time Share link that expires automatically. Set view-only or full edit access, revoke instantly and see changes sync in real time. Organize credentials in shared folders with nested subfolders and individual permissions for each person. No duplicate copies, no emailing passwords ever again. PERFECT FOR FAMILIES Keeper Family includes five private vaults, 10GB of secure file storage, unlimited devices and emergency access. Store the Wi-Fi password, streaming logins, insurance documents and passport photos in one place everyone you trust can reach. If your employer uses Keeper, ask about a free family plan – included with every business license. GET STARTED QUICKLY Seamlessly import all your passwords from iCloud Keychain, Chrome, 1Password, LastPass, Bitwarden, Dashlane and more, including direct secure transfer from other apps. Privacy Policy: https://keepersecurity.com/privacypolicy.html Terms of Use: https://keepersecurity.com/termsofuse.html

Screenshots

iSilo4 screens
Keeper Password Manager4 screens

Verdict

The call

The clearest difference is price: Keeper Password Manager at Free against iSilo's $9.99. Keeper Password Manager also leads on rating (4.9 vs 3.8) and ratings volume (229K vs 50). iSilo's advantage is in-app purchases (none vs 11) and iOS requirement (8.0 vs 17.0). On update cadence, ads and device support 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

Keeper Password Manager is free to download; iSilo costs $9.99 up front. Keeper Password Manager sells 11 in-app purchases, starting at $13.99 per year. iSilo asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Keeper Password Manager holds the better App Store score, 4.9 against 3.8. That said, the two scores are not equally well evidenced: Keeper Password Manager has 229K ratings behind it against 50, so its average is the more settled of the two. Written reviews point the same way: 51% of iSilo's written reviews are positive against 65% of Keeper Password Manager's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 28, 2026 and September 29, 2026 respectively.

Scorecard8 real differences · 3 level
iSilo versus Keeper Password Manager: the parameters behind the verdict, then further details
ParameteriSiloKeeper Password Manager
Price$9.99Free — better
Rating3.8 (50 ratings)4.9 (229K ratings) — better
Positive reviews50.6% of reviews64.8% of reviews — better
Number of ratings50229K — better
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank#176#20 — better
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS8.0 — better17.0
Further details — not scored
Size13 MB173 MB
Age rating4+4+
DeveloperDC & Co.Callpod Inc.

Customer experience

iSilo

All ratings50 ratings
Positive68.0%
Neutral10.0%
Negative22.0%
Written reviews269 reviews
Positive50.6%
Neutral16.7%
Negative32.7%

Keeper Password Manager

All ratings229,243 ratings
Positive98.1%
Neutral0.4%
Negative1.5%
Written reviews2,607 reviews
Positive64.8%
Neutral5.0%
Negative30.2%

User reviews

iSilo

From 50 App Store ratings

What we love

  • 💻 Works well with Christian books
  • 📚 Excellent for reading documents with embedded hyperlinks
  • ⚡ Fast and smooth on many devices
  • 🙌 Hands down a life-saving app
  • 🏆 Basic but wonderful functionality

Room to improve

  • 🐛 Crashes upon opening
  • 🐛 Unable to download new material since 2017
  • 🐛 Crashes when trying to open code-protected file
  • 🐛 Scrolling issues and performance problems
  • 🤖 Outdated and abandoned by developers

Keeper Password Manager

From 229K App Store ratings

What we love

  • 🚀 Easy to use
  • 🔒 Secure storage
  • 👍 Convenient access to passwords
  • 👍 Helpful customer service
  • 🚀 Seamless integration with devices

Room to improve

  • 💰 Expensive subscription
  • 🔒 Difficult to recover lost master password
  • 🐛 Inconsistent user interface across devices
  • 💰 Aggressive upselling and advertisements
  • 🔒 Inability to delete or edit entries without subscription

Bugs and requests

iSilo

Reported bugs

5 issues
  • Crashes when trying to open certain file formats
  • Displaying issues with Palm format (PDB) files
  • Inability to download files from Dropbox
  • Text going off-screen after recent updates
  • Bookmarks and annotations not syncing across devices

Requested features

5 requests
  • Add dark mode feature
  • Improve text highlighting and annotation capabilities
  • Implement cloud sync and cross-device support
  • Modernize the user interface
  • Add support for iOS Files app

Keeper Password Manager

Reported bugs

3 issues
  • Passwords disappearing after device changes
  • Facial recognition not working consistently
  • Inability to log in after multiple failed attempts

Requested features

4 requests
  • Option to disable constant upsell prompts
  • Ability to recover account without master password
  • Improved sync and backup functionality
  • More affordable pricing options

In-app purchases

None

iSilo

No in-app purchases

11 purchases

Keeper Password Manager

Subscriptions11
  • 10GB Secure File Storage$13.991 Year
  • BreachWatch$26.991 Year
  • Keeper Unlimited$42.991 Year
Show 8 more
  • Unlimited Plus1 Month trial$42.991 Year
  • 50% OFF Password Manager$42.991 Year
  • Unlimited Password Manager$42.991 Year
  • BreachWatch Family$53.991 Year
  • 50GB Secure File Storage$54.991 Year
  • Family Plan$59.991 Year
  • Keeper Family Plan$91.991 Year
  • Family Password Manager$91.991 Year

Questions

Is iSilo free?
iSilo costs $9.99, with no in-app purchases.
Is Keeper Password Manager free?
Keeper Password Manager is free to download, with in-app purchases available.
Which has better reviews, iSilo or Keeper Password Manager?
Keeper Password Manager is rated higher. iSilo averages 3.8 out of 5 from 50 ratings, while Keeper Password Manager averages 4.9 from 229K ratings.
Do iSilo or Keeper Password Manager have ads?
Neither iSilo nor Keeper Password Manager shows ads.
Which is updated more often, iSilo or Keeper Password Manager?
iSilo ships an update every 3 weeks, and Keeper Password Manager every 3 weeks. Most recently, iSilo was updated on September 28, 2026 and Keeper Password Manager on September 29, 2026.
Which is more popular, iSilo or Keeper Password Manager?
iSilo currently peaks at #176 in the App Store charts, and Keeper Password Manager at #20. Chart position reflects recent download velocity rather than total install base.

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