# MPI Saving Lives vs 4flow

The clearest difference is update cadence: 4flow at monthly against MPI Saving Lives's every 15 months. MPI Saving Lives's advantage is iOS requirement (13.0 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.

MPI Saving Lives ships an update every 15 months, 4flow monthly. The most recent releases landed on September 7, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | MPI Saving Lives | 4flow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Monthly** |
| Size | 88 MB | 168 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Octys LLC](https://appshunter.io/developer/634902439) | [4SIGHT SYSTEMS (PTY) LTD](https://appshunter.io/developer/656095757) |

## What reviewers say

### MPI Saving Lives

[App page](https://appshunter.io/ios/app/mpi-saving-lives/id1557647481)

**Features:** macOS Compatibility

**In-app purchases:** none


### 4flow

[App page](https://appshunter.io/ios/app/4flow/id1601814058)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MPI Saving Lives free?

MPI Saving Lives is free to download, with no in-app purchases.

### Is 4flow free?

4flow is free to download, with no in-app purchases.

### Do MPI Saving Lives or 4flow have ads?

Neither MPI Saving Lives nor 4flow shows ads.

### Which is updated more often, MPI Saving Lives or 4flow?

MPI Saving Lives ships an update every 15 months, and 4flow monthly. Most recently, MPI Saving Lives was updated on September 7, 2026 and 4flow on September 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.*