# MTA MountainApp vs Sustainable Precision System

The clearest difference is update cadence: Sustainable Precision System at monthly against MTA MountainApp's every 6 months. MTA MountainApp's advantage is iOS requirement (12.0 vs 15.0). 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.

MTA MountainApp ships an update every 6 months, Sustainable Precision System monthly. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | MTA MountainApp | Sustainable Precision System |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Size | 61 MB | 130 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SPOTTERON Gmbh](https://appshunter.io/developer/1378099707) | [AGGRESOLUTIONS (PTY) LTD](https://appshunter.io/developer/1653775234) |

## What reviewers say

### MTA MountainApp

[App page](https://appshunter.io/ios/app/mta-mountainapp/id1642560484)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sustainable Precision System

[App page](https://appshunter.io/ios/app/sustainable-precision-system/id1659625837)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MTA MountainApp free?

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

### Is Sustainable Precision System free?

Sustainable Precision System is free to download, with no in-app purchases.

### Do MTA MountainApp or Sustainable Precision System have ads?

Neither MTA MountainApp nor Sustainable Precision System shows ads.

### Which is updated more often, MTA MountainApp or Sustainable Precision System?

MTA MountainApp ships an update every 6 months, and Sustainable Precision System monthly. Most recently, MTA MountainApp was updated on October 8, 2026 and Sustainable Precision System on October 7, 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.*