# Gravitational Wave Events vs Lastscript

The clearest difference is iOS requirement: Gravitational Wave Events at 12.0 against Lastscript's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Gravitational Wave Events | Lastscript |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (133 ratings)](https://appshunter.io/ios/app/gravitational-wave-events/id1441897107/reviews)** | — |
| Number of ratings | **133** | — |
| Positive reviews | 89.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free | — |
| Size | 7 MB | 5 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Peter Kramer](https://appshunter.io/developer/348619994) | [Yiwen Luo](https://appshunter.io/developer/1721642278) |

## What reviewers say

### Gravitational Wave Events

[App page](https://appshunter.io/ios/app/gravitational-wave-events/id1441897107)

Stay updated on gravitational wave events with real-time alerts from the LIGO/Virgo/KAGRA Collaboration. Explore event locations on an interactive sky map and access educational resources about gravitational waves and observatories.

**Highlights:** Real-time GCN/LVK alerts, Interactive sky map, Event database (O1, O2, O3), GCN Circulars, Public message board, Educational links

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

**In-app purchases:** none

**What reviewers like**

- ✨ Real-time alerts for gravitational wave events
- 🔭 Fascinating for learning about space and physics
- 🌌 Puts earthly concerns into perspective
- 👍 Easy to use and understand for laymen
- 💡 Innovative way to experience space events

**What reviewers complain about**

- 🤔 Technical jargon and lack of explanations
- 🚫 Linked website not accessible for regular users
- 👨‍🏫 Information can be inscrutable for civilians
- ⚖️ Banned for irrelevant comments (user reported)
- 🧐 Data presented is technical and hard to interpret

**Reported bugs**

- Crashes on startup (iOS 14.7.1)

**Requested features**

- Searchable database (e.g., Vera Rubin circulars)
- More explanation of jargon and graphs
- Ability to download notification sound
- Indication of masses of involved objects
- Playback of real sound and frequency wave


### Lastscript

[App page](https://appshunter.io/ios/app/lastscript/id6796870003)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gravitational Wave Events free?

Gravitational Wave Events is free to download, with no in-app purchases.

### Is Lastscript free?

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

### Do Gravitational Wave Events or Lastscript have ads?

Neither Gravitational Wave Events nor Lastscript shows ads.

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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.*