# Run Half Marathon vs SEMI Fit

The clearest difference is rating: SEMI Fit at 5.0 against Run Half Marathon's 4.2. SEMI Fit also leads on in-app purchases (none vs 6) and ads (none vs shown). Run Half Marathon's advantage is ratings volume (119 vs 4). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Run Half Marathon sells 6 in-app purchases, starting at $2.99 per 6 months. SEMI Fit asks for nothing beyond the download.

SEMI Fit holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Run Half Marathon has 119 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 71% of Run Half Marathon's written reviews are positive against 100% of SEMI Fit's.

Run Half Marathon ships an update every 12 months, SEMI Fit every 3 days. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Run Half Marathon | SEMI Fit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (119 ratings)](https://appshunter.io/ios/app/run-half-marathon/id779406346/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/semi-fit-adaptive-training/id6789773375/reviews)** |
| Number of ratings | **119** | 4 |
| Positive reviews | 71.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 55 MB | 187 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [LINKLINKS LTD](https://appshunter.io/developer/600375781) | [SEMI Brands LLC](https://appshunter.io/developer/6789773377) |

## What reviewers say

### Run Half Marathon

[App page](https://appshunter.io/ios/app/run-half-marathon/id779406346)

This app provides a structured 18-week training plan to help beginners run a half marathon. It guides users through alternating walking and running intervals, tracks progress with GPS, and offers motivational features. Users can log and share their runs, and receive audio cues for when to run or walk.

**Highlights:** 18-week zero to half marathon training schedule, Alternating walk/run intervals with audio cues, GPS tracking for running routes, Automatic training log saving, Share training logs via social media/email, Motivational cups and reminders

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - 6 months | $2.99 | per 6 months |
| Map | $1.99 | one-time |
| 5K | $1.99 | one-time |
| 10K | $1.99 | one-time |
| Marathon | $1.99 | one-time |
| Remove ads | $2.99 | one-time |

**What reviewers like**

- 👍 Easy to use and follow
- 👍 Great for beginners
- 👍 Offers multiple training programs (5K, 10K, Half M, Full M)
- 👍 Motivating and keeps users on track
- 👍 Good for building pace and strength

**What reviewers complain about**

- 🗣️ Voice prompts too quiet
- 🐛 App sometimes cuts off or glitches
- 🐛 App stops running unexpectedly
- 🐛 Inconsistent timer or countdowns
- 🐛 Display is small and hard to read

**Reported bugs**

- App cuts off when taking calls
- App glitches on time
- App sometimes stops running
- App doesn't restart after a call
- App sends notifications late or at wrong times

**Requested features**

- Apple Watch app needed
- Link up with Garmin account
- Add distance or time tracking manually
- Dark mode option
- More detailed coaching or pace guidance


### SEMI Fit

[App page](https://appshunter.io/ios/app/semi-fit-adaptive-training/id6789773375)

This AI-powered system adapts your training and nutrition based on your daily readiness, recovery, and fatigue. It provides personalized workout recommendations, form feedback, and tracks your progress to help you train smarter and avoid overtraining.

**Highlights:** Daily readiness score, AI workout recommendations, AI form checker, Nutrition tracking, Weekly volume tracking, Cycle-aware training, Progress tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is Run Half Marathon free?

Run Half Marathon is free to download, with in-app purchases available.

### Is SEMI Fit free?

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

### Which has better reviews, Run Half Marathon or SEMI Fit?

SEMI Fit is rated higher. Run Half Marathon averages 4.2 out of 5 from 119 ratings, while SEMI Fit averages 5.0 from 4 ratings.

### Do Run Half Marathon or SEMI Fit have ads?

Run Half Marathon shows ads; SEMI Fit does not.

### Which is updated more often, Run Half Marathon or SEMI Fit?

Run Half Marathon ships an update every 12 months, and SEMI Fit every 3 days. Most recently, Run Half Marathon was updated on October 21, 2026 and SEMI Fit on October 24, 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.*