VideoDuck vs Glydsphere
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VideoDuck
This app helps you shrink video file sizes to free up storage space on your device. It offers fast, offline compression without subscriptions or internet connection, allowing for quicker sharing. You can choose custom quality levels and compress multiple videos at once.
- Compress videos instantly
- Free up storage space
- Offline operation
- Faster sharing
- Batch compression
- Custom quality levels
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VideoDuck – Video Compressor & Space Saver Meet VideoDuck, your friendly video compressor that keeps your iPhone fast, light, and free – no subscriptions, no ads, no internet needed. Shrink clips. Free up space. Share faster. VideoDuck compresses videos right on your iPhone using Apple Silicon's hardware encoder. Everything stays private – no uploads, no waiting, no data used. Free, forever • Compress any video with one tap – keep the moment, lose the megabytes • See exactly how much space you freed, every time • 100% on-device – works offline, private by design • Share faster – smaller files fly through AirDrop, messages, and mail • Your originals are always safe – you choose what to keep VideoDuck Pro – one-time unlock, never a subscription • High & Low quality modes – you pick the balance between quality and size • Batch compression – shrink your whole camera roll at once, resumes if interrupted • Advanced controls – resolution cap, frame rate, format Free to use. One payment to unlock everything. Nothing to cancel – ever. Your pocket supercomputer Compression runs entirely on your iPhone – no servers, no cloud, no queue. It's not just fast, it's private by design. Quack. Compress. Done. Free your phone from heavy videos in one tap – your iPhone deserves to breathe again. Download VideoDuck and make space for what matters.
Glydsphere
Control and customize your vehicle's sound experience with this system's companion app. Adjust sound profiles, volume, and simulated gear shifts in real-time. The system integrates seamlessly into your car, with the app only needed for adjustments.
- Control Glydsphere System
- Adjust sound profiles and volume
- Enable/disable simulated gear shifts
- Real-time wireless connection
- Seamless Glydcore integration
- Regular updates with new features
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The Glydsphere app is the control center for your Glydsphere System. Seamlessly connected to the Glydcore computer, it allows you to customize and refine your vehicle’s sound experience with precision and ease. Adjust sound profiles, control volume, and enable or disable simulated gear shifts all in real time. The system runs fully integrated in your vehicle, meaning the app is only needed when you want to make changes. No constant interaction required. Regular updates introduce new sound profiles and features, continuously expanding your driving experience. The Glydsphere system is available for purchase at www.glydsphere.com Key Features: - Control your Glydsphere System - Adjust sound profiles and volume - Enable or disable simulated gear shifts - Real-time wireless connection - Seamless integration with Glydcore computer - Regular updates with new features and sounds
Screenshots
Verdict
The clearest difference is rating: Glydsphere at 5.0 against VideoDuck's 4.5. Glydsphere also leads on in-app purchases (none vs 1) and iOS requirement (15.6 vs 18.0). VideoDuck's advantage is update cadence (daily vs every 5 weeks). On price, ratings volume, ads 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
Both are free to download. VideoDuck sells 1 one-off in-app purchase. Glydsphere asks for nothing beyond the download.
Glydsphere holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
VideoDuck ships an update daily, Glydsphere every 5 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | VideoDuck | Glydsphere |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Daily — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 18.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 2 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Davyd Horhiashvili | Space Gravity LLC |
In-app purchases
VideoDuck
- VideoDuck Pro Lifetime$7.99
Glydsphere
No in-app purchases
