Comparison

SlotFlex vs Runifit

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

Head to head
About

SlotFlex

Features
Read full description

SlotFlex es la plataforma todo-en-uno para estudios: administración de horarios, cobros y membresías, check-in por QR y pases digitales, y automatizaciones que maximizan la ocupación por medio de ClassFlex. Ahorra tiempo al equipo, mejora la experiencia del cliente y convierte cupos libres en ingresos recurrentes.

About

Runifit

Features
Read full description

Runifit is the all-in-one platform built for personal trainers, strength coaches, online fitness professionals and gym owners. EVERYTHING YOU NEED TO RUN YOUR COACHING BUSINESS CLIENT MANAGEMENT • See your full client roster at a glance with active and archived views • Keep each client's profile, goals, location, gender, birthday and physical info up to date • Track height, weight and unit preferences (metric or imperial) as your clients progress • Archive inactive clients without losing their training history — bring them back any time • Search and filter to find any client in seconds, even when your roster grows PROGRAM BUILDING • Create reusable training programs with full weekly periodization • Organize each program into weeks and days that match your real coaching cycles • Drag exercises into structured blocks: warmup, normal sets, supersets, circuits, AMRAPs and EMOMs • Set granular targets for sets, reps, weight, RPE, pace, heart rate zones and rest intervals • Add coaching notes and instructions to any block so context never gets lost • Build a personal program library you can assign to new clients in seconds SMART SCHEDULING • Visual calendar across your entire client roster — see everyone's week at once • Spot scheduling conflicts, missed sessions and rest-day patterns before they become problems • Drop one-off workouts on individual days or assign full multi-week programs in a couple of taps • Give each client a personalized start date so programs follow their real-life schedule, not yours COMPLIANCE & PROGRESS TRACKING • Weekly compliance scores so you instantly know who's training and who's slipping • Filter clients by completed, partial, pending and rest days at a glance • Read every client's post-session notes and feedback right from the dashboard • Review full training history per client — every set, every rep, every weight, every comment BUILT-IN MESSAGING • Keep every coach-client conversation in one place, separate from your personal life • Read receipts and unread counts so important feedback never falls through the cracks • No more digging through endless WhatsApp threads to find that PR your client hit last month A POLISHED EXPERIENCE FOR YOUR CLIENTS Your clients get a clean, distraction-free app of their own to see today's workout, log their sets, watch reference videos and message you back. They focus on training. You focus on coaching. WHY COACHES PICK RUNIFIT • Designed by people who actually coach and train • Clean, distraction-free interface — no clutter, no noise, no gimmicks • Move faster with reusable programs, templates and a growing exercise library • Scale from 1 to 100 clients without losing the personal touch • Available in English and Spanish, with light and dark mode • Works on iOS and iPadOS, synced across all your devices WHO RUNIFIT IS FOR • Online personal trainers building a remote coaching business • Strength and conditioning coaches working with athletes • Brick-and-mortar gym owners managing in-person clients • Hybrid coaches blending online programming with in-person sessions Whether you're just starting out or already running a full coaching operation, Runifit gives you the tools to spend less time on admin and more time doing what you actually love: coaching people to get better. Terms of Use (EULA): https://runifit.com/terms Privacy Policy: https://runifit.com/privacy.

Screenshots

SlotFlex4 screens
Runifit4 screens

Verdict

The call

The clearest difference is in-app purchases: SlotFlex at none against Runifit's 3. On price, update cadence, ads and device support 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. Runifit sells 3 in-app purchases, starting at $19.99 per month. SlotFlex asks for nothing beyond the download.

UpkeepUpdate frequency

SlotFlex ships an update every 4 days, Runifit weekly. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

Scorecard1 real difference · 5 level
SlotFlex versus Runifit: the parameters behind the verdict, then further details
ParameterSlotFlexRunifit
PriceFreeFree
Update frequencyEvery 4 days — betterWeekly
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.515.1 — better
Further details — not scored
Size64 MB57 MB
Age rating12+12+
Developer3-101-938358 S.A.Aaron Argenes Chavarria Jimenez

In-app purchases

None

SlotFlex

No in-app purchases

3 purchases

Runifit

Subscriptions3
  • Runifit Basic1 Month trial$19.991 Month
  • Runifit Pro1 Month trial$39.991 Month
  • Runifit Team1 Month trial$79.991 Month

Questions

Is SlotFlex free?
SlotFlex is free to download, with no in-app purchases.
Is Runifit free?
Runifit is free to download, with in-app purchases available.
Do SlotFlex or Runifit have ads?
Neither SlotFlex nor Runifit shows ads.
Which is updated more often, SlotFlex or Runifit?
SlotFlex ships an update every 4 days, and Runifit weekly. Most recently, SlotFlex was updated on October 4, 2026 and Runifit on October 14, 2026.

Other comparisons