# MtStMacrina vs Proteus Sensor Cloud

The clearest difference is ads: MtStMacrina at none against Proteus Sensor Cloud's shown. Proteus Sensor Cloud's advantage is iOS requirement (12.0 vs 15.6). On price, update cadence, 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.

MtStMacrina ships an update monthly, Proteus Sensor Cloud every 6 weeks. The most recent releases landed on September 13, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | MtStMacrina | Proteus Sensor Cloud |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 6 weeks |
| Size | 17 MB | 23 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alan Laick](https://appshunter.io/developer/1637872668) | [Avarachan Cherian](https://appshunter.io/developer/1760793132) |

## What reviewers say

### MtStMacrina

[App page](https://appshunter.io/ios/app/mtstmacrina/id1637872666)

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

**In-app purchases:** none


### Proteus Sensor Cloud

[App page](https://appshunter.io/ios/app/proteus-sensor-cloud/id6599858572)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MtStMacrina free?

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

### Is Proteus Sensor Cloud free?

Proteus Sensor Cloud is free to download, with no in-app purchases.

### Do MtStMacrina or Proteus Sensor Cloud have ads?

Proteus Sensor Cloud shows ads; MtStMacrina does not.

### Which is updated more often, MtStMacrina or Proteus Sensor Cloud?

MtStMacrina ships an update monthly, and Proteus Sensor Cloud every 6 weeks. Most recently, MtStMacrina was updated on September 13, 2026 and Proteus Sensor Cloud on May 17, 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.*