# Gravitational Wave Events vs Relatively Simple

The clearest difference is ratings volume: Gravitational Wave Events at 133 against Relatively Simple's 7. Relatively Simple's advantage is rating (5.0 vs 4.8) and review sentiment (100% vs 90%). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Relatively Simple holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Gravitational Wave Events has 133 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 90% of Gravitational Wave Events's written reviews are positive against 100% of Relatively Simple's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 29, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Gravitational Wave Events | Relatively Simple |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (133 ratings)](https://appshunter.io/ios/app/gravitational-wave-events/id1441897107/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/relatively-simple/id1464624768/reviews)** |
| Number of ratings | **133** | 7 |
| Positive reviews | 89.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | Free |
| Size | 7 MB | 434 MB |
| Requires iOS | 12.0 | **8.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Peter Kramer](https://appshunter.io/developer/348619994) | [Ira Rothstein](https://appshunter.io/developer/1464624767) |

## 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


### Relatively Simple

[App page](https://appshunter.io/ios/app/relatively-simple/id1464624768)

This app offers an experiential explanation of Einstein's theory of Special Relativity. Designed by a Carnegie Mellon University professor, it breaks down complex concepts like spacetime and E=mc^2 for a general audience.

**Highlights:** Experiential learning approach, Explains Special Relativity, Demystifies complex physics concepts, Designed by university professor, Accessible for general audience

**Features:** macOS Compatibility

**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 Relatively Simple free?

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

### Which has better reviews, Gravitational Wave Events or Relatively Simple?

Relatively Simple is rated higher. Gravitational Wave Events averages 4.8 out of 5 from 133 ratings, while Relatively Simple averages 5.0 from 7 ratings.

### Do Gravitational Wave Events or Relatively Simple have ads?

Neither Gravitational Wave Events nor Relatively Simple shows ads.

### Which is updated more often, Gravitational Wave Events or Relatively Simple?

Gravitational Wave Events ships an update monthly, and Relatively Simple monthly. Most recently, Gravitational Wave Events was updated on October 29, 2026 and Relatively Simple on September 19, 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.*