# MobileMMS vs Tri

The clearest difference is rating: MobileMMS at 5.0 against Tri's 4.0. MobileMMS also leads on update cadence (monthly vs every 6 months) and iOS requirement (15.0 vs 17.0). On price, ratings volume, 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 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

MobileMMS ships an update monthly, Tri every 6 months. The most recent releases landed on October 19, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | MobileMMS | Tri |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/mobilemms/id1249569397/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/tri-state-seminar-llc/id1634234257/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 months |
| Monetization | Free | Free |
| Size | 283 MB | 70 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Websoft Developers, Inc.](https://appshunter.io/developer/1249569396) | [Tri-State Seminar, LLC](https://appshunter.io/developer/1634234259) |

## 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

**Features:** Vision Pro support

**In-app purchases:** none


### Tri

[App page](https://appshunter.io/ios/app/tri-state-seminar-llc/id1634234257)

This app provides continuing education and professional development for water and wastewater professionals. It offers access to workshops, technical sessions, and tours, with affordable registration fees for extensive learning opportunities.

**Highlights:** Continuing education for professionals, Workshops and technical sessions, Industry tours, Professional development, Affordable registration

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

**In-app purchases:** none


## Frequently asked questions

### Is MobileMMS free?

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

### Is Tri free?

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

### Which has better reviews, MobileMMS or Tri?

MobileMMS is rated higher. MobileMMS averages 5.0 out of 5 from 2 ratings, while Tri averages 4.0 from 1 ratings.

### Do MobileMMS or Tri have ads?

Neither MobileMMS nor Tri shows ads.

### Which is updated more often, MobileMMS or Tri?

MobileMMS ships an update monthly, and Tri every 6 months. Most recently, MobileMMS was updated on October 19, 2026 and Tri on October 10, 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.*