# Realtime Altimeter vs EmuTrain

The clearest difference is in-app purchases: EmuTrain at none against Realtime Altimeter's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Realtime Altimeter sells 3 in-app purchases, starting at $1.99 per month. EmuTrain asks for nothing beyond the download.

Realtime Altimeter ships an update every 2 weeks, EmuTrain weekly. The most recent releases landed on September 21, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Realtime Altimeter | EmuTrain |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Freemium | — |
| Size | 178 MB | 140 MB |
| Requires iOS | 17.0 | 17 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [东 杨](https://appshunter.io/developer/1826977946) | [Stacie Bambauer](https://appshunter.io/developer/6789652337) |

## What reviewers say

### Realtime Altimeter

[App page](https://appshunter.io/ios/app/realtime-altimeter-elevation/id6776113415)

This app provides real-time outdoor environmental data, including altitude, compass heading, barometric pressure, and sun times. It features customizable gauges, widgets, and a watermark camera to enhance outdoor activities and photography.

**Highlights:** Real-time altitude and elevation, Compass with spirit level, Barometric pressure and weather trends, Speed readout for travel, Sunrise, sunset, and golden hour times, Watermark camera with location data, GPS track recording and map view

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Annual Subscription | $6.99 | per year |
| Lifetime membership | $9.99 | one-time |


### EmuTrain

[App page](https://appshunter.io/ios/app/emutrain/id6786384001)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Realtime Altimeter free?

Realtime Altimeter is free to download, with in-app purchases available.

### Is EmuTrain free?

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

### Do Realtime Altimeter or EmuTrain have ads?

Neither Realtime Altimeter nor EmuTrain shows ads.

### Which is updated more often, Realtime Altimeter or EmuTrain?

Realtime Altimeter ships an update every 2 weeks, and EmuTrain weekly. Most recently, Realtime Altimeter was updated on September 21, 2026 and EmuTrain on September 15, 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.*