Comparison

iSilo vs Google Slides

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

Google Slides

Create, edit, and collaborate on presentations from any device. Work offline, add rich media, and present directly from your phone or tablet. Seamlessly integrate with video calls and other productivity tools.

Highlights
  • Create and edit presentations
  • Real-time collaboration
  • Offline access
  • Add images and videos
  • Present from device
  • PowerPoint file compatibility
  • Video call integration
Currently charting
Read full description

Create, edit, and collaborate on presentations with the Google Slides app. With Slides you can: * Create new presentations or edit existing ones * Share presentations and collaborate with others in the same presentation at the same time * Work anywhere, anytime - even offline * Add and rearrange slides, format text and shapes, and more * Present right from your device * Never worry about losing your work -- everything is automatically saved as you type * Present slides to video calls - scheduled meetings will automatically appear * Open, edit, and save PowerPoint files Google Slides is part of Google Workspace: where teams of any size can chat, create, and collaborate. Google Workspace subscribers have access to additional Google Slides features, including: * Collaborating on a single presentation online with your business partner, your whole team, or external contacts. You control who gets permission to edit, view, or just add comments. * Starting from scratch or expediting the process by choosing a template. You can enhance your presentations with videos, images, drawings, and smooth transitions. * Working across PCs, Macs, mobiles, and tablets—View or even present your slides from your phone or tablet, so you have the option to practice your presentation up until the last minute. Permissions Notice Camera: This is used for camera mode in video calls and to insert images taken with the camera. Microphone: This is used to transmit audio in video calls. Photos: This is used to access photos under the control of Photos application to let the users pick images to insert into slides.

Screenshots

iSilo4 screens
Google Slides4 screens

Verdict

The call

The clearest difference is price: Google Slides at Free against iSilo's $9.99. Google Slides also leads on rating (4.7 vs 3.8) and ratings volume (412K vs 50). iSilo's advantage is iOS requirement (8.0 vs 17.0). On review sentiment, ads, in-app purchases and monetization model 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

Google Slides is free to download; iSilo costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Google Slides holds the better App Store score, 4.7 against 3.8. That said, the two scores are not equally well evidenced: Google Slides has 412K 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 57% of Google Slides's.

UpkeepUpdate frequency

iSilo ships an update every 3 weeks, Google Slides weekly. The most recent releases landed on September 28, 2026 and September 29, 2026 respectively.

Scorecard6 real differences · 5 level
iSilo versus Google Slides: the parameters behind the verdict, then further details
ParameteriSiloGoogle Slides
Price$9.99Free — better
Rating3.8 (50 ratings)4.7 (412K ratings) — better
Positive reviews50.6% of reviews57.1% of reviews — better
Number of ratings50412K — better
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
Best chart rank#142#23 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS8.0 — better17.0
Further details — not scored
Size13 MB406 MB
Age rating4+4+
DeveloperDC & Co.Google

Customer experience

iSilo

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

Google Slides

All ratings412,418 ratings
Positive92.2%
Neutral2.4%
Negative5.4%
Written reviews1,444 reviews
Positive57.1%
Neutral10.4%
Negative32.5%

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

Google Slides

From 412K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Helpful for school/work projects
  • 💡 Good for collaboration and sharing
  • 👍 Convenient for on-the-go use

Room to improve

  • 🐛 Glitchy and buggy on mobile devices
  • 🔧 Limited features compared to desktop version
  • 🔧 Difficult to find/use certain functions
  • 🔧 Formatting issues when transferring between devices

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

Google Slides

Reported bugs

4 issues
  • Text boxes and formatting randomly change
  • Slides freeze or crash frequently
  • Inability to delete or edit slides
  • Syncing and saving issues across devices

Requested features

4 requests
  • Add more transition options
  • Improve mobile functionality and UI
  • Allow direct video/audio embedding
  • Provide more background and theme options

In-app purchases

None

iSilo

No in-app purchases

None

Google Slides

No in-app purchases

Questions

Is iSilo free?
iSilo costs $9.99, with no in-app purchases.
Is Google Slides free?
Google Slides is free to download, with no in-app purchases.
Which has better reviews, iSilo or Google Slides?
Google Slides is rated higher. iSilo averages 3.8 out of 5 from 50 ratings, while Google Slides averages 4.7 from 412K ratings.
Do iSilo or Google Slides have ads?
Neither iSilo nor Google Slides shows ads.
Which is updated more often, iSilo or Google Slides?
iSilo ships an update every 3 weeks, and Google Slides weekly. Most recently, iSilo was updated on September 28, 2026 and Google Slides on September 29, 2026.
Which is more popular, iSilo or Google Slides?
iSilo currently peaks at #142 in the App Store charts, and Google Slides at #23. Chart position reflects recent download velocity rather than total install base.

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