# Lightning Alarm vs Stream SRF

The clearest difference is in-app purchases: Stream SRF at none against Lightning Alarm's 4. Stream SRF also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Lightning Alarm sells 4 in-app purchases, starting at $2.99 per year. Stream SRF asks for nothing beyond the download.

## The numbers

| Metric | Lightning Alarm | Stream SRF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (889 ratings)](https://appshunter.io/ios/app/lightning-alarm/id1015876499/reviews)** | — |
| Number of ratings | **889** | — |
| Positive reviews | 80.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 79 MB | 3 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Infoplaza BV](https://appshunter.io/developer/419311197) | [Think Design Limited](https://appshunter.io/developer/504533501) |

## What reviewers say

### Lightning Alarm

[App page](https://appshunter.io/ios/app/lightning-alarm/id1015876499)

Receive timely notifications about approaching thunderstorms and lightning strikes in your vicinity. This app provides accurate lightning detection and displays real-time information on a map, ensuring safety during outdoor activities.

**Highlights:** Real-time lightning detection, Approaching storm notifications, Lightning distance display, Map view of lightning strikes, Textual storm information, Push message alerts

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lightning Alarm Premium | $2.99 | per year |
| 1 month ad free | $0.99 | one-time |
| 3 months ad free | $1.99 | one-time |
| 1 year ad free | $2.99 | one-time |

**What reviewers like**

- ⭐️ Excellent app
- 👍 Works great
- 🚀 Accurate and precise
- 🔔 Helpful notifications
- 🌩️ Tracks lightning effectively

**What reviewers complain about**

- 🐛 App crashes or freezes
- ⚠️ Inaccurate or unreliable
- 🔍 Difficult to set location
- 🔢 Metric units not preferred

**Reported bugs**

- Notifications not working
- Map tiles not loading properly
- App crashing on launch

**Requested features**

- Option to switch between miles and kilometers
- Add multiple locations to track
- Improve map visuals and details
- Customizable alert radius


### Stream SRF

[App page](https://appshunter.io/ios/app/stream-srf/id6648788013)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lightning Alarm free?

Lightning Alarm is free to download, with in-app purchases available.

### Is Stream SRF free?

Stream SRF is free to download, with no in-app purchases.

### Do Lightning Alarm or Stream SRF have ads?

Lightning Alarm shows ads; Stream SRF does not.

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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.*