# WIMS Rio vs OTCO

The clearest difference is rating: OTCO at 5.0 against WIMS Rio's 2.8. WIMS Rio's advantage is ratings volume (14 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OTCO holds the better App Store score, 5.0 against 2.8. That said, the two scores are not equally well evidenced: WIMS Rio has 14 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | WIMS Rio | OTCO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (14 ratings)](https://appshunter.io/ios/app/wims-rio/id1573801194/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/otco/id6478231623/reviews)** |
| Number of ratings | **14** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | Free |
| Size | 56 MB | 248 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Aquatic Informatics](https://appshunter.io/developer/1573801196) | [OPERATOR TRAINING COMMITTEE OF OHIO, INC.](https://appshunter.io/developer/1732281658) |

## What reviewers say

### WIMS Rio

[App page](https://appshunter.io/ios/app/wims-rio/id1573801194)

Streamline instrument readings from the field with this mobile app. Create and share Rio sheets, allowing anyone with access to update measurements. Readings sync automatically, and you can view historical data and recent updates.

**Highlights:** Update instrument readings from the field, Create and share Rio sheets, Automatic measurement syncing, View past measurements, See updated entries

**Features:** macOS Compatibility

**In-app purchases:** none


### OTCO

[App page](https://appshunter.io/ios/app/otco/id6478231623)

Stay informed about water and wastewater industry training with up-to-date notifications. Access exclusive discount codes for events and register directly through the app. View informative videos and connect with professionals in the field.

**Highlights:** Training notifications, Event discount codes, Event registration, Video library, Push notifications

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is WIMS Rio free?

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

### Is OTCO free?

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

### Which has better reviews, WIMS Rio or OTCO?

OTCO is rated higher. WIMS Rio averages 2.8 out of 5 from 14 ratings, while OTCO averages 5.0 from 1 ratings.

### Do WIMS Rio or OTCO have ads?

Neither WIMS Rio nor OTCO shows ads.

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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.*