Comparison

Instruct vs Radiant Forme

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

Head to head
About

Instruct

This app helps group fitness instructors quickly plan, design, and choreograph classes. It offers an AI-powered bot to generate custom workouts, a smart library for organizing past classes, and automatic timer integration. Spend less time planning and more time teaching.

Highlights
  • On-demand Class Builder Bot
  • Smart Library for past classes
  • Automatic timer integration
  • Review and edit class flow
  • Save and reuse workout templates
  • Instructor-first interface
Features
Read full description

Instruct is an AI-powered interval timer built for group fitness instructors. Plan, program, and run your classes in seconds—without manual setup. Using the most advanced AI, you can now build workouts, time intervals, and organize your templates in seconds. Timing your fitness classes just got easier: Instant Class Programming Turn ideas into fully structured interval timers: Prompt: “30-min HIIT with dumbbells + core” → ready-to-run timer AI Interval Timer Engine Automatically builds work/rest blocks, circuits, and workout flows for HIIT, Cycling, Bootcamp, Boxing, Treadmill, Rowing, TRX, Strength, Pilates, etc. Template to Timer Conversion Already have your class plan? Upload or reuse class templates → instantly converted into timed intervals Real-Time Class Runtime Run your class with beeps, voice cues, and seamless transitions No Timer Setup Required Skip manual interval programming completely. Instruct fills in time, exercise, and description in seconds. Smart Class Library Store, remix, and regenerate workouts from past classes Built for How You Actually Teach Supports HIIT, strength, bootcamp, cycling, conditioning, boxing, pilates, yoga, aquafit, and more. Audio & Compatibility Works alongside your music apps (Spotify, FitRadio, SoundCloud, PowerMusic, Apple Music, etc.) Does not interrupt music playback Choose voice cues, beeps, or silent transitions Instruct is a subscription-based app. There is no free or limited mode—an active subscription is required to use all features, including class builders and timers. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://instructgroupfitness.com/privacy

About

Radiant Forme

Features
Read full description

Features: - Purchase Class Packs and Memberships Easily browse and purchase our class packs or membership options - View our schedule Filter classes by type to find the perfect fit for your routine. - Manage your reservations Book your class reservations with ease. Keep track of your upcoming classes and manage your schedule to stay organized and committed to your fitness goals.

Screenshots

Instruct4 screens
Radiant Forme4 screens

Verdict

The call

The clearest difference is in-app purchases: Radiant Forme at none against Instruct's 2. Radiant Forme also leads on update cadence (every 3 weeks vs every 2 months). Instruct's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price and ads 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. Instruct sells 2 in-app purchases, starting at $2.99 per 7 days. Radiant Forme asks for nothing beyond the download.

UpkeepUpdate frequency

Instruct ships an update every 2 months, Radiant Forme every 3 weeks. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
Instruct versus Radiant Forme: the parameters behind the verdict, then further details
ParameterInstructRadiant Forme
PriceFreeFree
Rating5.0 (6 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings6 — better—
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscription—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS14.0 — better16.0
Further details — not scored
Size42 MB38 MB
Age rating17+4+
DeveloperInstructRadiant Forme LLC

In-app purchases

2 purchases

Instruct

Subscriptions2
  • Weekly Pro Access (Instruct +)7 Days trial$2.997 Days
  • Monthly Pro Access (Instruct +)7 Days trial$7.991 Month
None

Radiant Forme

No in-app purchases

Questions

Is Instruct free?
Instruct is free to download, with in-app purchases available.
Is Radiant Forme free?
Radiant Forme is free to download, with no in-app purchases.
Do Instruct or Radiant Forme have ads?
Neither Instruct nor Radiant Forme shows ads.
Which is updated more often, Instruct or Radiant Forme?
Instruct ships an update every 2 months, and Radiant Forme every 3 weeks. Most recently, Instruct was updated on October 24, 2026 and Radiant Forme on October 31, 2026.

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