Comparison

Run Half Marathon vs SEMI Fit

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Run Half Marathon

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
Read full description

Follow the schedule of Run Half Marathon, just need 18 weeks, 3 days a week, about 50 minutes for first half training and 100 minutes for the second half training, you can becoming a Half Marathon Runner from ZERO. No matter if you want to lose weight, get in shape, meet running goals, start jogging training or improve fitness, Run Half Marathon can help you to make it easy and well organized. Run Half Marathon includes alternate walking & running, and advises when to walk or run, keeps you motivated. GPS will track your routine, you can keep your training logs and share log by Facebook, Twitter, or email, all you need to do the take Run coach with you and start running. Key features: ⁃ From zero to Half Marathon training schedule, 18 weeks, 3 days a week, about 50 minutes for first half training and 100 minutes for the second half. ⁃ Alternate running and walking. ⁃ Human voice, alert sound and vibrate to advise when to run and when to walk. ⁃ Automatically save your log after finishing each training. ⁃ GPS to track the route of your running. ⁃ User friendly display distance, time used, time remaining, counting down time of each set and current speed. ⁃ Share your training log by Facebook, Twitter, or email. ⁃ Beautiful cups as encouragement after you finish a particular plan. ⁃ Listen to your own music in your iPod list. ⁃ Set a reminder to alert you running. ⁃ Support running in background and lock screen. ⁃ Support Mi and Km. ⁃ Supports universal version (available on both iPhone and iPad). Continued use of GPS running in the background can dramatically decrease battery life. If you have any question, please email to linklinksapp@tom.com.

About

SEMI Fit

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
Read full description

SEMI Fit is an AI-powered performance system built for people who train seriously and want to train smarter. Not just a workout tracker. SEMI Fit connects your recovery, your readiness, your training load, and your nutrition into one adaptive system — so every session is built around what your body can actually handle today. DAILY READINESS SCORE Answer a 10-second morning check-in. SEMI Fit calculates your training readiness from recovery signals, sleep, and fatigue — then adjusts your session intensity accordingly. AI WORKOUT RECOMMENDATIONS Every session starts with a suggested workout tailored to your readiness, your equipment, and your goals. Weights are suggested based on your history. You track. SEMI learns. AI FORM CHECKER Record a lift. Get instant AI feedback on your mechanics. Catch problems before they become injuries. NUTRITION WITHOUT GUESSWORK Describe a meal in plain language. Scan a barcode. Log food in seconds. SEMI Fit tracks macros and adapts your nutrition targets to your training load. WEEKLY VOLUME TRACKING Stay inside your optimal training volume. SEMI Fit monitors weekly load by muscle group so you can push without overtraining. CYCLE-AWARE TRAINING Nutrition and recovery recommendations adapt automatically to each phase of your hormonal cycle — so your plan works with your body, not against it. PROGRESS THAT MEANS SOMETHING Personal records, milestone achievements, and adherence tracking — built to reward consistency, not streaks. SEMI Fit is for people who are still becoming. Train with purpose. Recover with intention. Stay unfinished.

Screenshots

Run Half Marathon4 screens
SEMI Fit4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard7 real differences · 3 level
Run Half Marathon versus SEMI Fit: the parameters behind the verdict, then further details
ParameterRun Half MarathonSEMI Fit
PriceFreeFree
Rating4.2 (119 ratings)5.0 (4 ratings) — better
Positive reviews71.1% of reviews100.0% of reviews — better
Number of ratings119 — better4
Update frequencyEvery 12 monthsEvery 3 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size55 MB187 MB
Age rating4+17+
DeveloperLINKLINKS LTDSEMI Brands LLC

Customer experience

Run Half Marathon

All ratings119 ratings
Positive77.3%
Neutral14.3%
Negative8.4%
Written reviews83 reviews
Positive71.1%
Neutral18.1%
Negative10.8%

SEMI Fit

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Run Half Marathon

Reported bugs

16 issues
  • 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
Show 11 more
  • App freezes or crashes
  • GPS signal drops
  • App won't stay open in background
  • Timer gets screwed up when paused
  • Timer gets glitchy
  • App keeps resetting to week 1 day 1
  • Map addition only tracks road running
  • Voice notifications have glitches
  • App crashed when trying to use it
  • Countdown chimes are arrhythmic and random
  • Reminders on wrong days and cannot be changed

Requested features

12 requests
  • Apple Watch app needed
  • Link up with Garmin account
  • Add distance or time tracking manually
  • Dark mode option
  • More detailed coaching or pace guidance
Show 7 more
  • Option to skip warm-up
  • Half-way cue for runs
  • Integrate with other tools like Fitbit
  • Ability to share runs via social media
  • Total workout time displayed
  • Larger font for interval clock
  • Better placement of ads

SEMI Fit

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

Run Half Marathon

Subscriptions1
  • Premium - 6 months7 Days trial$2.996 Months
One-time5
  • Map$1.99
  • 5K$1.99
  • 10K$1.99
Show 2 more
  • Marathon$1.99
  • Remove ads$2.99
None

SEMI Fit

No in-app purchases

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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