Comparison

Omni Viewer App vs gtsync

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

Head to head
About

Omni Viewer App

Features
Read full description

Omni Viewer Mobile is an all-in-one file viewer that helps you quickly open and inspect many file types in a single app. The app routes each file to an optimized viewer so you can check content faster and with less friction. Key Features Audio Viewer: Play WAV and MP3 files, loop playback, and adjust speed Image Viewer: View PNG, JPG, JPEG, GIF, WEBP, and BMP with zoom and pan Media Viewer: Play MP4, MOV, M4V, AVI, MKV, WEBM, and 3GP with scrubbing controls PDF Viewer: Browse and preview document pages Additional format support: XLS/XLSX, CSV, JSONL, DOC/DOCX, HWP/HWPX, PSD, and Parquet Who it is for Users who need one app to preview multiple file formats quickly Teams and individuals who review files on the go

About

gtsync

Seamlessly synchronize your tasks and reminders between Google Tasks and Apple Reminders. This app ensures your to-do lists are always up-to-date across your devices with automatic, bi-directional syncing.

Highlights
  • Bi-directional sync
  • Auto-discovery of lists
  • Conflict resolution
  • Activity log
  • Background sync
  • Siri Shortcuts
Features
Currently charting
Read full description

Two-way sync between Google Tasks (including tasks in Google Calendar) and the Reminders app (including Reminders in the Calendar app). A seamless way to keep everything you need to do synchronized across both platforms. gtsync securely connects Google Tasks to the Reminders app. Add a reminder using Siri on your commute, and it's waiting for you alongside your tasks in Google Calendar on your laptop. Check an item off in your browser, and it clears from your iPhone. One unified workflow, zero friction. Sync and organization • Bi-directional sync between the Reminders and Google Tasks apps • Sync reminders in the native Calendar app and tasks in the Google Calendar app • Sync titles, notes, completion status, and due dates • Discover and match task lists and reminder lists • Choose which lists are included • Automatically include new lists if you want • Create a missing list automatically when needed Review and resolve changes • See pending creates, updates, and deletions before applying them • Review the direction, list, timestamp, and changed fields for each item • Compare both versions when an item changed in both services • Choose whether to keep the Google Tasks or Reminders version • Optionally resolve conflicts automatically using the most recently modified version Automatic and on-demand sync • Optional background sync takes care of staying in sync • Use the Siri Shortcuts action to sync on demand, in an automation, or when you open a task app • Get notified about conflicts and other issues that need your attention Safety and visibility • Configurable safety threshold for large batches of automatic changes • Automatic sync pauses when the threshold is exceeded so you can review first • Activity history with sync actions, errors, and timestamps • Progress indicators and the ability to stop an in-progress sync Statistics • Day, week, and month views of your sync activity, with quick navigation between periods • At-a-glance totals for items synced, completed, conflicts, and errors • Activity chart showing creates, edits, completions, uncompletions, and deletions over time • Breakdowns by direction, action, and list • Tap any breakdown to see the matching entries in your activity history Privacy • Sync processing and sync history stay on your device • Connects directly to Reminders and your Google account Limitations gtsync syncs titles, notes, completion state, and due dates between Reminders and Google Tasks. The following fields do not sync due to platform differences and limitations: • Attachments • Alerts / reminders • Priority • Recurrence (repeating tasks) • Time-specific due dates (reduced to date-only values)

Screenshots

Omni Viewer App4 screens
gtsync4 screens

Verdict

The call

The clearest difference is price: Omni Viewer App at Free against gtsync's $4.99. Omni Viewer App also leads on device support (4 vs 2) and iOS requirement (15.5 vs 26.2). gtsync's advantage is in-app purchases (none vs 1) and chart position (#51 vs unranked). On update cadence and ads 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

Omni Viewer App is free to download; gtsync costs $4.99 up front. Omni Viewer App sells 1 one-off in-app purchase. gtsync asks for nothing beyond the download.

UpkeepUpdate frequency

Omni Viewer App ships an update every 6 days, gtsync every 2 weeks. The most recent releases landed on October 20, 2026 and October 8, 2026 respectively.

Scorecard5 real differences · 6 level
Omni Viewer App versus gtsync: the parameters behind the verdict, then further details
ParameterOmni Viewer Appgtsync
PriceFree — better$4.99
Rating—4.8 (4 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—4 — better
Update frequencyEvery 6 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesNo — better
Monetization—Paid
Best chart rank—#51 — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS15.5 — better26.2
Further details — not scored
Size68 MB9 MB
Age rating4+4+
Developerkwoun ukjinFlorian Kaiser

In-app purchases

1 purchases

Omni Viewer App

One-time1
  • Coffee Tip$0.99
None

gtsync

No in-app purchases

Questions

Is Omni Viewer App free?
Omni Viewer App is free to download, with in-app purchases available.
Is gtsync free?
gtsync costs $4.99, with no in-app purchases.
Do Omni Viewer App or gtsync have ads?
Neither Omni Viewer App nor gtsync shows ads.
Which is updated more often, Omni Viewer App or gtsync?
Omni Viewer App ships an update every 6 days, and gtsync every 2 weeks. Most recently, Omni Viewer App was updated on October 20, 2026 and gtsync on October 8, 2026.

Other comparisons