Luxafor CO2 vs VideoDuck
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Luxafor CO2
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The Luxafor CO2 Dongle app allows you to monitor your environment and gather data about the air quality over time. So you can track your CO2 levels, air temperature, and humidity remotely. If you want to share your date data with friends, family members or teammates, just send an invite to allow them access data instantly. Also, you can customize each Luxafor CO2 Dongle's name and description to manage Dongle data flows and locations.
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.
Screenshots
Verdict
The clearest difference is in-app purchases: Luxafor CO2 at none against VideoDuck's 1. Luxafor CO2 also leads on device support (3 vs 1) and iOS requirement (14.0 vs 18.0). VideoDuck's advantage is update cadence (daily vs every 2 months). On price 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
Both are free to download. VideoDuck sells 1 one-off in-app purchase. Luxafor CO2 asks for nothing beyond the download.
Luxafor CO2 ships an update every 2 months, VideoDuck daily. The most recent releases landed on October 5, 2026 and October 22, 2026 respectively.
| Parameter | Luxafor CO2 | VideoDuck |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 months | Daily — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 54 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Greynut LTD | Davyd Horhiashvili |
In-app purchases
Luxafor CO2
No in-app purchases
VideoDuck
- VideoDuck Pro Lifetime$7.99









