Shadowspec vs GasOwl
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Shadowspec
Control your smart battery and lights with this app. Features include auto timers, dimmer settings, and countdown functionality. Manage multiple devices from a single interface.
- Auto timer functions
- Dimmer settings
- Countdown timer
- On and off switch
- Control multiple lights and umbrellas
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The Shadowspec app gives you full control over the Shadowspec Smart Battery with auto timer functions, dimmer settings, countdown timer, on and off switch and the ability to control multiple lights and umbrellas.
GasOwl
This app monitors your gas bottle levels and usage, providing alerts for low supply, unusual consumption, and potential leaks. It integrates with a smart scale to offer automated reordering and detailed energy analysis.
- Gas bottle level monitoring
- Usage analysis
- Automated ordering
- Leak detection alerts
- Bottle delivery notifications
- Energy usage insights
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Never run out of gas again! GasOwl works with our beautifully crated GasScale to measure your gas bottles and help you manage and analyse usage. - Forget about ordering your gas bottles with Auto Order. - Know about your gas energy usage. - Receive helpful alerts, know about bottle deliveries, unusual usage and leaks. Talk to your local gas fitter about installing GasOwl at your home, office, restaurant or batch. Subscription terms GasOwl subscriptions are auto-renewable. Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Manage or cancel your subscription in your Apple Account settings after purchase. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ GasOwl Terms and Conditions: https://www.gasowl.nz/terms-and-conditions Privacy Policy: https://www.gasowl.nz/privacy-policy
Screenshots
Verdict
The clearest difference is review sentiment: GasOwl at 50% against Shadowspec's 0%. GasOwl also leads on update cadence (every 4 months vs every 21 months). Shadowspec's advantage is in-app purchases (none vs 6) and ads (none vs shown). On price 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. GasOwl sells 6 in-app purchases, starting at $3.49 per month. Shadowspec asks for nothing beyond the download.
Shadowspec ships an update every 21 months, GasOwl every 4 months. The most recent releases landed on October 2, 2026 and October 4, 2026 respectively.
| Parameter | Shadowspec | GasOwl |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | 50.0% of reviews — better |
| Number of ratings | 1 — better | — |
| Update frequency | Every 21 months | Every 4 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 29 MB | 68 MB |
| Age rating | 17+ | 4+ |
| Developer | Unicrest Group Limited | Vention Lab Limited |
Customer experience
Shadowspec
GasOwl
In-app purchases
Shadowspec
No in-app purchases
GasOwl
- GasOwl Essential Plan$3.491 Month
- GasOwl Essential Plan (2)$6.991 Month
- GasOwl Premium Plan1 Month trial$9.991 Month
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- GasOwl Essential Plan (3)$10.491 Month
- GasOwl Premium Plan (2)$19.991 Month
- GasOwl Premium Plan (3)$29.991 Month
