# MobileMMS vs WIMS Rio

The clearest difference is rating: MobileMMS at 5.0 against WIMS Rio's 2.8. WIMS Rio's advantage is ratings volume (14 vs 2) and iOS requirement (12.2 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

MobileMMS 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 2, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on July 4, 2026 and June 20, 2026 respectively.

## The numbers

| Metric | MobileMMS | WIMS Rio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/mobilemms/id1249569397/reviews)** | [2.8 (14 ratings)](https://appshunter.io/ios/app/wims-rio/id1573801194/reviews) |
| Number of ratings | 2 | **14** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | Free |
| Size | 258 MB | 54 MB |
| Requires iOS | 15.0 | **12.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Websoft Developers, Inc.](https://appshunter.io/developer/1249569396) | [Aquatic Informatics ULC](https://appshunter.io/developer/1573801196) |

## What reviewers say

### MobileMMS

[App page](https://appshunter.io/ios/app/mobilemms/id1249569397)

Access work order details and supporting information directly in the field. Streamline task completion on-site and collect only necessary data, all without significant cost.

**Highlights:** Field work order management, Access supporting information, On-site task completion, Data collection, Cost-effective solution

**In-app purchases:** none


### 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


## Frequently asked questions

### Is MobileMMS free?

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

### Is WIMS Rio free?

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

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

MobileMMS is rated higher. MobileMMS averages 5.0 out of 5 from 2 ratings, while WIMS Rio averages 2.8 from 14 ratings.

### Do MobileMMS or WIMS Rio have ads?

Neither MobileMMS nor WIMS Rio shows ads.

### Which is updated more often, MobileMMS or WIMS Rio?

MobileMMS ships an update monthly, and WIMS Rio monthly. Most recently, MobileMMS was updated on July 4, 2026 and WIMS Rio on June 20, 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.*