Comparison

RunBuilder vs SENTINEL FORGE

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

Head to head
About

RunBuilder

Create custom running workouts with detailed control over distance, time, and pace. Map out your running routes with precision, and track your progress with GPS and heart rate data. Sync your runs to Apple Health and other platforms.

Highlights
  • Custom workout builder
  • Plain English workout input
  • FIT file import
  • Screenshot workout import
  • Interactive course mapping
  • GPS and heart rate tracking
  • Apple Health integration
Features
Read full description

RunBuilder turns the workout in your head — or the one buried in your coach's email — into a structured session you can actually run. Build it on iPhone or iPad, run it outdoors, on a treadmill, or from Apple Watch, then see how it landed. BUILD IT YOUR WAY • Step by step, with control over distance, time, pace, and recovery • Type or dictate it in plain English: "2 mile warmup, 6x800 at 5K pace with 400 jog, 2 mile cooldown" • Import a FIT workout file • Screenshot a workout and let RunBuilder read it • Start from a built-in template • Paste anything from the clipboard MAP YOUR COURSES • Tap out a route and watch it snap to real roads and paths • Import a GPX file from a recorded run or another app • Switch to straight lines for tracks and trails • Distance and elevation gain update as you build • Mile or kilometer markers appear right on the map • Search for a starting point anywhere in the world • Retrace to start, or route back, for an easy out-and-back or loop • Undo and redo any point • Save courses by name, then duplicate one to build a variation • Check the elevation profile before you head out • Run a course on iPhone or Apple Watch with your route and live position on screen RUN IT • Outdoor runs with GPS, pace, distance, and heart rate • Structured workouts on Apple Watch from your synced library • Treadmill runs with automatic speed and incline control on compatible Wahoo FTMS treadmills (Pro) • Spoken step announcements and periodic audio updates • Music controls without leaving the run screen • Runs save to Apple Health, route included REVIEW IT • History keeps the runs you finish in RunBuilder • See the prescribed goal next to what you actually ran, including repeats • Mile or kilometer splits with pace and heart rate • Scrubbable pace and heart-rate charts • A map colored by pace, with start and finish marked • Hide warm up, rest, and cool down when you want just the work • Share a PDF or text summary with a coach • Export the completed activity as a FIT file • Mark the run Easy, Steady, or Hard next to your notes CONNECT YOUR GEAR • Bluetooth heart rate monitors • Foot pods and running power meters, including Stryd • Engo smart glasses, with your key metrics in view SEND IT ANYWHERE • Garmin Connect • Wahoo • Apple Watch — run it in the RunBuilder Watch app, or schedule it into the built-in Workout app • Export a workout FIT file, a completed-activity FIT file, or a printable PDF BUILT FOR IPHONE, IPAD, AND APPLE WATCH Large, readable run screens meant to be glanced at mid-stride, whether the phone is in your hand, the iPad is propped on a treadmill, or the workout is on your wrist. Workouts, settings, courses, and history sync across your devices with iCloud. Your Watch library updates automatically from iPhone. Widgets put today's session on your Home Screen, and Siri and Shortcuts can create or start one hands-free. RUNBUILDER PRO Building workouts, mapping courses, running them outdoors on iPhone, reviewing History, and saving to Apple Health are all free. No account required. RunBuilder Pro is a one-time purchase that unlocks: • Sending workouts to Garmin Connect and Wahoo • Starting workouts and courses from Apple Watch • Scheduling workouts to the built-in Apple Watch Workout app • Treadmill control, setting speed and incline for you as the workout runs • Engo smart glasses support • Race Plan, which builds a session around your target race and finish time • Nested repeats, for complex interval structures Note: Course elevation comes from a terrain model and is approximate, especially among tall buildings.

About

SENTINEL FORGE

This app offers AI-driven fitness and performance tracking for athletes and serious lifters. It analyzes biometric data from wearables to provide personalized workouts, readiness scores, and even marksmanship training.

Highlights
  • AI-personalized workout programming
  • Daily TALOS readiness scoring
  • Integrated marksmanship training drills
  • Apple Health and wearable integration
  • Conversational AI training coach
  • Lab result and body composition analysis
Read full description

SENTINEL FORGE is operator-grade training intelligence built for soldiers, law enforcement, competitive athletes, and serious lifters. AI-personalized workouts, daily TALOS readiness scoring, and integrated marksmanship training — all calibrated to your real biometric data from Apple Health and connected wearables. KEY FEATURES: TALOS READINESS SCORE Daily AI-calculated readiness across four pillars: • Recovery — heart rate variability, sleep quality, oxygen saturation, resting heart rate • Workload — training load, ACWR (Acute:Chronic Workload Ratio), volume • Fuel — macros, calories, body composition • Stress — cognitive and physiological signals AI WORKOUT PROGRAMMING Generate complete workout campaigns calibrated to your goals, schedule, and current readiness. The system adapts based on your TALOS score — light days when you're depleted, push days when you're peaked. MARKSMANSHIP TRAINING 44 live-fire drills + 12 dry-fire drills + 6 printable target sheets covering fundamentals, close-quarters technique, reloads, malfunction clearance, movement-based shooting, and competition formats (IDPA, USPSA, 3-Gun). Industry-standard drill library for professional and sport-level firearms training. APPLE HEALTH INTEGRATION Reads heart rate, HRV, sleep stages, oxygen saturation, respiratory rate, weight, body fat percentage, and workout history from Apple Health. Data is never written back — read-only integration. Revoke access anytime in iOS Settings. CONNECTED WEARABLES Integrate Whoop, Oura, Fitbit, Ultrahuman, and Eight Sleep alongside Apple Health. SF unifies signals across all your devices to compute one accurate readiness score. AI COACH Conversational AI training coach. Ask about programming, recovery, technique, plateau-breaking, and form. Trained on operator-fitness principles, sports science research, and progressive overload theory. LAB IMPORT Upload lab results (PDF). AI extracts biomarkers — testosterone, cortisol, lipids, glucose, hormones — and tracks trends over time. PII redacted locally before processing. BODY COMPOSITION AI Photo-based body composition analysis. Track body fat percentage, lean mass, and physique changes over time. FITREP REPORTS AI-generated performance evaluations. Comprehensive readouts of your training, recovery, and progression over any time window. VOICE LOGGING Log workouts hands-free. AI parses your voice into structured workout data. SUBSCRIPTION TIERS: Foundation ($24.99/mo or $250/year) — Full dashboard + tracking, unlimited device integrations, basic AI quotas. Vanguard ($44.99/mo or $475/year) — Expanded AI quotas for serious training. Sentinel ($59.99/mo or $600/year) — Top consumer tier with the highest AI quotas across all features. 14-day free trial on every tier. Cancel anytime in iOS Settings → Apple ID → Subscriptions. Subscription auto-renews unless turned off at least 24 hours before the end of the current period. Payment is charged to your Apple ID at confirmation of purchase. Subscription manages itself — no action required to renew. Privacy Policy: https://www.sentinel-forge.net/privacy/ Terms of Use: https://www.sentinel-forge.net/terms/

Screenshots

RunBuilder4 screens
SENTINEL FORGE4 screens

Verdict

The call

The clearest difference is review sentiment: SENTINEL FORGE at 100% against RunBuilder's 0%. SENTINEL FORGE also leads on rating (5.0 vs 3.0) and update cadence (every 4 days vs monthly). On price, ratings volume, ads and in-app purchases 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. RunBuilder sells 1 one-off in-app purchase and SENTINEL FORGE sells 10 in-app purchases, starting at $24.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

SENTINEL FORGE holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews point the same way: 0% of RunBuilder's written reviews are positive against 100% of SENTINEL FORGE's.

UpkeepUpdate frequency

RunBuilder ships an update monthly, SENTINEL FORGE every 4 days. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.

Scorecard4 real differences · 6 level
RunBuilder versus SENTINEL FORGE: the parameters behind the verdict, then further details
ParameterRunBuilderSENTINEL FORGE
PriceFreeFree
Rating3.0 (2 ratings)5.0 (4 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings24 — better
Update frequencyMonthlyEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS26.015.0 — better
Further details — not scored
Size17 MB116 MB
Age rating4+12+
DeveloperLandWare, LLCANQ LLC

Customer experience

RunBuilder

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

SENTINEL FORGE

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

RunBuilder

One-time1
  • RunBuilder Pro$14.99
10 purchases

SENTINEL FORGE

Subscriptions1
  • Sentinel — Monthly14 Days trial$24.991 Month
One-time9
  • AI Voice Logging - 25 Pack$7.99
  • Nutrition Lookup - 25 Pack$7.99
  • AI Meal Plan - 5 Pack$7.99
Show 6 more
  • AI Campaign Generation - Single Use$9.99
  • TALOS Daily Assessment - 30 Pack$14.99
  • AI Form Check - 10 Pack$14.99
  • AI Coach Chat - 25 Pack$14.99
  • AI-Generated FITREP - 5 Pack$19.99
  • AI Campaign Generation — 3 Pack$24.99

Questions

Is RunBuilder free?
RunBuilder is free to download, with in-app purchases available.
Is SENTINEL FORGE free?
SENTINEL FORGE is free to download, with in-app purchases available.
Which has better reviews, RunBuilder or SENTINEL FORGE?
SENTINEL FORGE is rated higher. RunBuilder averages 3.0 out of 5 from 2 ratings, while SENTINEL FORGE averages 5.0 from 4 ratings.
Do RunBuilder or SENTINEL FORGE have ads?
Neither RunBuilder nor SENTINEL FORGE shows ads.
Which is updated more often, RunBuilder or SENTINEL FORGE?
RunBuilder ships an update monthly, and SENTINEL FORGE every 4 days. Most recently, RunBuilder was updated on October 11, 2026 and SENTINEL FORGE on October 8, 2026.

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