# maPollution vs engo

The clearest difference is update cadence: engo at every 3 months against maPollution's every 8 months. 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.

maPollution ships an update every 8 months, engo every 3 months. The most recent releases landed on October 18, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | maPollution | engo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (9 ratings)](https://appshunter.io/ios/app/engo-ar-glasses/id6760118931/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 44 MB | 37 MB |
| Requires iOS | 18.6 | **17.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Ronald Van Assche](https://appshunter.io/developer/820317811) | [Engo](https://appshunter.io/developer/1882718995) |

## What reviewers say

### maPollution

[App page](https://appshunter.io/ios/app/mapollution/id6741442093)

**Features:** Apple Watch app

**In-app purchases:** none


### engo

[App page](https://appshunter.io/ios/app/engo-ar-glasses/id6760118931)

See real-time sports data like pace, heart rate, and distance directly in your AR glasses. Configure over 40 metrics and follow structured workouts with live guidance, all without looking at your watch. Seamlessly integrates with Garmin devices for automatic data syncing.

**Highlights:** Real-time sports data display, Configurable metric screens, Garmin device integration, Structured workout guidance, Live pace and heart rate zones, Quick setup process

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

**In-app purchases:** none


## Frequently asked questions

### Is maPollution free?

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

### Is engo free?

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

### Do maPollution or engo have ads?

Neither maPollution nor engo shows ads.

### Which is updated more often, maPollution or engo?

maPollution ships an update every 8 months, and engo every 3 months. Most recently, maPollution was updated on October 18, 2026 and engo on October 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.*