# Omni Viewer App vs gtsync

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 (#64 vs unranked). On update cadence and ads there is nothing between them.

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.

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.

## The numbers

| Metric | Omni Viewer App | gtsync |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/gtsync-sync-tasks-and-reminders/id6761292407/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 2 weeks |
| Monetization | — | Paid |
| Best chart rank | — | **#64** |
| Size | 68 MB | 9 MB |
| Requires iOS | **15.5** | 26.2 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [kwoun ukjin](https://appshunter.io/developer/1637005386) | [Florian Kaiser](https://appshunter.io/developer/1888709041) |

## What reviewers say

### Omni Viewer App

[App page](https://appshunter.io/ios/app/omni-viewer-app/id6759875642)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee Tip | $0.99 | one-time |


### gtsync

[App page](https://appshunter.io/ios/app/gtsync-sync-tasks-and-reminders/id6761292407)

**Currently charting:** #64 Top Paid · Productivity (US App Store)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*