# RocketJourney vs MMS

RocketJourney and MMS are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

RocketJourney ships an update every 3 weeks, MMS every 6 weeks. The most recent releases landed on September 24, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | RocketJourney | MMS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 41.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Ad-supported | — |
| Size | 142 MB | 21 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tres Astronautas, S.A.P.I. de C.V.](https://appshunter.io/developer/1046123294) | [Multiservicios Médicos Santander, S.A. de C.V.](https://appshunter.io/developer/1450727874) |

## What reviewers say

### RocketJourney

[App page](https://appshunter.io/ios/app/rocketjourney/id933315200)

Transform your fitness routine into an engaging, game-like experience. This app integrates with Apple Health to automatically track and validate your daily activities and workouts, making fitness fun and rewarding.

**Highlights:** Game-like fitness challenges, Apple Health integration, Activity and workout syncing, Automatic verification, Progress tracking

**Features:** Vision Pro support

**In-app purchases:** none


### MMS

[App page](https://appshunter.io/ios/app/mms/id1450727875)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RocketJourney free?

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

### Is MMS free?

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

### Do RocketJourney or MMS have ads?

Neither RocketJourney nor MMS shows ads.

### Which is updated more often, RocketJourney or MMS?

RocketJourney ships an update every 3 weeks, and MMS every 6 weeks. Most recently, RocketJourney was updated on September 24, 2026 and MMS on September 17, 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.*