UVready vs Lightning Storm Simulator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UVready
Get instant UV index readings with a single tap. Understand current and hourly UV levels, receive personalized safe sun exposure times based on your skin type, and get alerts for changes. It's a quick and simple way to protect your skin year-round.
- Instant UV index check
- Hourly UV forecast
- Personalized safe exposure time
- Intuitive emoji guidance
- UV level change alerts
- Instant sharing of UV conditions
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One tap. One second. Done. Instantly see how strong the UV is right now. UV rays reach your skin on cloudy days and even in winter. UV radiation is the leading cause of skin aging — it's a year-round concern. But opening a weather app, scrolling through screens, hunting for the UV section? Too much hassle. This app is different. Open it, and you're done. Key Features · Instant Check — The moment you open the app, your current UV index appears. No loading. No scrolling. · Hourly Forecast — See how UV levels change throughout the day at a glance. Plan your outdoor time smarter. · Intuitive Guidance — Not just numbers. Emoji indicators and clear level descriptions help anyone understand UV conditions instantly. · Personalized Safe Exposure Time — Select your skin type (Fitzpatrick scale) and instantly see how many minutes you can safely stay in the sun without sunscreen at the current UV level. Because everyone's skin is different. · Instant Share — Share a summary image of the current UV conditions with friends and family in one tap. · UV Level Change Alerts — Get a push notification the moment UV levels change. Protect your skin before it's too late. WHO UV Index Guidelines: The UV Index was developed by the World Health Organization (WHO), the World Meteorological Organization, and other international bodies as a global standard for UV reporting. Here's what each level means: · 0–2 (Low) — Minimal risk. You can safely enjoy the outdoors. · 3–5 (Moderate) — Seek shade at midday. Wear sunglasses, a hat, and apply SPF 30+ sunscreen. · 6–7 (High) — Reduce sun exposure between 10 a.m. and 4 p.m. Sunscreen and protective clothing are essential. · 8–10 (Very High) — Take extra precautions. Fair-skinned individuals may burn in under 10 minutes. · 11+ (Extreme) — Avoid outdoor exposure if possible. Unprotected fair skin can burn in less than 5 minutes. Note: These recommendations are based on lightly tanned skin (Fitzpatrick Type II). If you have lighter skin, children, or are on photosensitizing medication, take extra care. Those with darker skin tones may tolerate more exposure, but UV damage is cumulative for everyone. Perfect For · Anyone who wants a fast UV check before heading out · People who care about skin protection and sunscreen timing · Those who want just the essential info without a complex weather app · Runners, hikers, commuters — anyone active under the sun UV check — one second is all it takes.
Lightning Storm Simulator
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Lightning Storm Simulator generates dynamic thunderstorms with visual and sound feedback! Start the app and lightning will strike in front of your eyes, illuminating the whole room. For extra realism, use with speakers and LED flash. Features: • LED and screen lightning visualization • Dynamic simulator parameters • Custom background sound ambients • Custom lightning color • Raindrop visualization • Presets • Timer Background ambients: • Light rain • Pouring rain • Rain on window • Rain on car Background ambient effects: • Campfire • Howling wind • Birds chirping • Night owl • Frogs • Crickets in the evening • Cat purring • Wind chimes - Works with Bluetooth external speakers and headphones - Works offline - no network connection required Storms can be generated using multiple parameters such as background ambient sound, thunder frequency, color of the lightning as well as duration of the lightning. Lightning is shown using screen colors (more realistic effect but requires darker environment) or with LED flash (amazingly powerful effect). You can set the color and duration of thunder strikes, the background sounds and set the timer. If you prefer only sounds to be heard, you can disable lightning or even the other way around. New storm background sounds as well as thunder sound effects are being constantly added. Why use Lightning Storm Simulator? - Insomnia therapy (drift to sleep easily with the soothing rain sounds) - Stress therapy (relax and forget about your worries - thunder sounds will make you feel safe and secure) - Fun (playing with different settings and producing awesome lightning in your dark room) - Meditation (focus and mindfulness, reduce stress) - Pet care (desensitize/calm your dog or cat to noise and scary sounds—start quietly and gradually increase the volume in later sessions) - Tinnitus relief (storm sounds calm the ringing in your ears)
Screenshots
Verdict
The clearest difference is in-app purchases: UVready at none against Lightning Storm Simulator's 2. UVready also leads on update cadence (fortnightly vs every 6 weeks). On price, ads, device support and iOS requirement 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. Lightning Storm Simulator sells 2 one-off in-app purchases. UVready asks for nothing beyond the download.
UVready ships an update fortnightly, Lightning Storm Simulator every 6 weeks. The most recent releases landed on September 18, 2026 and September 22, 2026 respectively.
| Parameter | UVready | Lightning Storm Simulator |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Fortnightly — better | Every 6 weeks |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 7 MB | 13 MB |
| Age rating | 4+ | +9 |
| Developer | Appetizer | Qvyshift LLC |
In-app purchases
UVready
No in-app purchases
Lightning Storm Simulator
- Halloween Sound Effects$4.99
- Remove Ads$4.99





