# Lightning Alarm vs ILM+

The clearest difference is review sentiment: Lightning Alarm at 80% against ILM+'s 0%. Lightning Alarm also leads on update cadence (every 2 months vs every 4 months). ILM+'s advantage is in-app purchases (none vs 4) and 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. ILM+ asks for nothing beyond the download.

Lightning Alarm ships an update every 2 months, ILM+ every 4 months. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Lightning Alarm | ILM+ |
| --- | --- | --- |
| 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** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 79 MB | 53 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Infoplaza BV](https://appshunter.io/developer/419311197) | [Keskkonnaministeeriumi Infotehnoloogiakeskus](https://appshunter.io/developer/1564878072) |

## 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


### ILM+

[App page](https://appshunter.io/ios/app/ilm-plus/id1564878070)

This national weather app provides the latest weather information, including warnings and forecasts based on your location. Users can also contribute by sharing their own weather observations, enhancing forecast accuracy. It offers radar and satellite imagery, marine weather, and ice maps.

**Highlights:** Real-time weather warnings with push notifications, Location-based weather forecasts, Observation data from monitoring stations, Radar and satellite imagery, Marine and ice weather information, User weather observations and sharing, Home screen weather widget

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

**In-app purchases:** none


## Frequently asked questions

### Is Lightning Alarm free?

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

### Is ILM+ free?

ILM+ is free to download, with no in-app purchases.

### Do Lightning Alarm or ILM+ have ads?

Lightning Alarm shows ads; ILM+ does not.

### Which is updated more often, Lightning Alarm or ILM+?

Lightning Alarm ships an update every 2 months, and ILM+ every 4 months. Most recently, Lightning Alarm was updated on October 16, 2026 and ILM+ on October 8, 2026.

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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.*