# Grandma's Marathon vs OST Remote

The clearest difference is review sentiment: OST Remote at 100% against Grandma's Marathon's 45%. OST Remote also leads on rating (5.0 vs 4.7) and monetization model (free vs ad-supported). Grandma's Marathon's advantage is ratings volume (166 vs 3). 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.

OST Remote holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Grandma's Marathon has 166 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 45% of Grandma's Marathon's written reviews are positive against 100% of OST Remote's.

Grandma's Marathon ships an update every 5 weeks, OST Remote every 2 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Grandma's Marathon | OST Remote |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (166 ratings)](https://appshunter.io/ios/app/grandmas-marathon/id1108879072/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ost-remote/id1253815009/reviews)** |
| Number of ratings | **166** | 3 |
| Positive reviews | 45.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Ad-supported | **Free** |
| Size | 121 MB | 32 MB |
| Requires iOS | 17.0 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Grandma's Marathon - Duluth Inc.](https://appshunter.io/developer/1465609809) | [OpenSplitTime.org](https://appshunter.io/developer/1253815008) |

## What reviewers say

### Grandma's Marathon

[App page](https://appshunter.io/ios/app/grandmas-marathon/id1108879072)

Follow your favorite runners in the Marathon and Half Marathon. Access event details, race information, course maps, and important updates for a premier running event.

**Highlights:** Runner tracking, Event details, Race information, Course maps, Key updates

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

**In-app purchases:** none


### OST Remote

[App page](https://appshunter.io/ios/app/ost-remote/id1253815009)

This app facilitates the tracking of athletes at aid stations during endurance events, even with unreliable internet. It allows for quick recording of bib numbers and times, syncing data to a central platform when connectivity is restored.

**Highlights:** Offline data storage, Automatic data syncing, Minimalist live entry screen, Event setup on opensplittime.org, Local data storage and upload

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Grandma's Marathon free?

Grandma's Marathon is free to download, with no in-app purchases.

### Is OST Remote free?

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

### Which has better reviews, Grandma's Marathon or OST Remote?

OST Remote is rated higher. Grandma's Marathon averages 4.7 out of 5 from 166 ratings, while OST Remote averages 5.0 from 3 ratings.

### Do Grandma's Marathon or OST Remote have ads?

Neither Grandma's Marathon nor OST Remote shows ads.

### Which is updated more often, Grandma's Marathon or OST Remote?

Grandma's Marathon ships an update every 5 weeks, and OST Remote every 2 months. Most recently, Grandma's Marathon was updated on November 6, 2026 and OST Remote on November 2, 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.*