# ON Geothermal Exhibition vs e1

The clearest difference is review sentiment: ON Geothermal Exhibition at 100% against e1's 0%. ON Geothermal Exhibition also leads on rating (4.6 vs 2.6) and monetization model (free vs ad-supported). e1's advantage is update cadence (weekly vs every 40 months). On price, ratings volume, 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.

ON Geothermal Exhibition holds the better App Store score, 4.6 against 2.6. Both are backed by a comparable volume of ratings — 9 and 5 respectively. Written reviews point the same way: 100% of ON Geothermal Exhibition's written reviews are positive against 0% of e1's.

ON Geothermal Exhibition ships an update every 40 months, e1 weekly. Both last shipped on November 3, 2026.

## The numbers

| Metric | ON Geothermal Exhibition | e1 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (9 ratings)](https://appshunter.io/ios/app/on-geothermal-exhibition/id1469029073/reviews)** | [2.6 (5 ratings)](https://appshunter.io/ios/app/e1-eone-ev-charging/id1543287996/reviews) |
| Number of ratings | **9** | 5 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 40 months | **Weekly** |
| Monetization | **Free** | Ad-supported |
| Size | 25 MB | 125 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Locatify](https://appshunter.io/developer/376736643) | [EONE ehf](https://appshunter.io/developer/1055456179) |

## What reviewers say

### ON Geothermal Exhibition

[App page](https://appshunter.io/ios/app/on-geothermal-exhibition/id1469029073)

This audio guide app leads you through an exhibition about geothermal energy. Navigate the exhibition using an interactive map and listen to audio stops that correspond to your location. Explore Iceland's geothermal sector through displays, interactive exhibits, and videos.

**Highlights:** Audio guide for exhibition, Interactive floor maps, Location-based audio stops, Information on geothermal energy, Exploration of Iceland's energy sector

**Features:** macOS Compatibility

**In-app purchases:** none


### e1

[App page](https://appshunter.io/ios/app/e1-eone-ev-charging/id1543287996)

Locate, charge, and pay for electric vehicle charging across multiple networks with a single application. Access real-time availability, detailed station information, and smart route planning for seamless EV travel.

**Highlights:** Find EV charging stations, Real-time availability information, Start charging via app or QR code, Smart route planner for journeys, Advanced filtering options, Save favorite charging locations, Remote monitoring of home chargers

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ON Geothermal Exhibition free?

ON Geothermal Exhibition is free to download, with no in-app purchases.

### Is e1 free?

e1 is free to download, with no in-app purchases.

### Which has better reviews, ON Geothermal Exhibition or e1?

ON Geothermal Exhibition is rated higher. ON Geothermal Exhibition averages 4.6 out of 5 from 9 ratings, while e1 averages 2.6 from 5 ratings.

### Do ON Geothermal Exhibition or e1 have ads?

Neither ON Geothermal Exhibition nor e1 shows ads.

### Which is updated more often, ON Geothermal Exhibition or e1?

ON Geothermal Exhibition ships an update every 40 months, and e1 weekly. Most recently, ON Geothermal Exhibition was updated on November 3, 2026 and e1 on November 3, 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.*