# MGP Ríos vs DecidePeru

The clearest difference is update cadence: DecidePeru at every 4 days against MGP Ríos's every 2 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.

MGP Ríos ships an update every 2 months, DecidePeru every 4 days. The most recent releases landed on October 8, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | MGP Ríos | DecidePeru |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/mgp-rios/id1161502634/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 43 MB | 10 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +17 | 4+ |
| Developer | [Marina de Guerra del Perú](https://appshunter.io/developer/1073374798) | [Unholster](https://appshunter.io/developer/405114992) |

## What reviewers say

### MGP Ríos

[App page](https://appshunter.io/ios/app/mgp-rios/id1161502634)

This app provides daily river level records for the Amazon basin, including historical comparisons and flood/ebb season information. It also offers details about the Hydrography and Navigation Service of the Amazon.

**Highlights:** Daily river level registration, Historical level comparisons, Flood and ebb season indicators, Hydrography service information

**Features:** Vision Pro support

**In-app purchases:** none


### DecidePeru

[App page](https://appshunter.io/ios/app/decideperu/id6760347213)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MGP Ríos free?

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

### Is DecidePeru free?

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

### Do MGP Ríos or DecidePeru have ads?

Neither MGP Ríos nor DecidePeru shows ads.

### Which is updated more often, MGP Ríos or DecidePeru?

MGP Ríos ships an update every 2 months, and DecidePeru every 4 days. Most recently, MGP Ríos was updated on October 8, 2026 and DecidePeru on September 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*