FLEX DMV vs GentlePrep
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FLEX DMV
Discover and book in-person group fitness classes at local studios. Explore a variety of classes and secure your spot easily through the app. Find your perfect workout experience.
- Book group fitness classes
- Find local studios
- Purchase class spots
- Explore class variety
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Join our app to book and purchase an in-person group fitness class at a studio near you. What's Your FLEX?
GentlePrep
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Colonoscopy prep is the hardest part of the procedure — but it doesn't have to be confusing or overwhelming. GentlePrep is a calm, step-by-step companion that guides you through your prep with timed reminders, hydration tracking, and encouragement when you need it most. HOW IT WORKS 1. Enter your prep type (SuPrep, GoLYTELY, MiraLAX, Clenpiq, or Sutab) and procedure time 2. Get a personalized, minute-by-minute timeline working backward from your appointment 3. Follow glass-by-glass timers with gentle nudges to stay on track 4. Track hydration and stool clarity to know how your prep is going FEATURES Smart Dose Timers Glass-by-glass countdown timers with progress rings. Know exactly when to drink, how much, and what's next. Pause if you need a break — the schedule automatically adjusts. Hydration Tracker Log water, broth, sports drinks, and clear fluids. Visual progress bar shows how you're doing against your daily goal. Gentle Notifications Encouraging reminders personalized to your schedule. "Time for your next glass" — not a jarring alarm, but a friendly nudge. COMFORT PACK (one-time $9.99) Unlock smart notifications, dark mode for late-night prep, Chat with Pip (your AI prep companion, always there for a 2 AM question), stool clarity tracking, a shareable recap report, and a lock screen countdown (Live Activity). One-time purchase — no subscription. SUPPORTED PREP TYPES - SuPrep (sulfate solution) - GoLYTELY / NuLYTELY (PEG-based) - MiraLAX + Gatorade - Clenpiq (sodium picosulfate) - Sutab (tablets) IMPORTANT: GentlePrep is a companion guide, not medical advice. Always follow your doctor's specific prep instructions. If anything doesn't match, trust your doctor. WHY GENTLEPREP? Over 22 million colonoscopies are performed each year. Studies show that guided prep support improves completion rates and prep quality. GentlePrep gives you the structure and encouragement to get through it — gently. Your data stays on your device.
Screenshots
Verdict
The clearest difference is in-app purchases: FLEX DMV at none against GentlePrep's 2. GentlePrep's advantage is ads (none vs shown) and update cadence (fortnightly vs every 5 weeks). On price 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
Both are free to download. GentlePrep sells 2 one-off in-app purchases. FLEX DMV asks for nothing beyond the download.
FLEX DMV ships an update every 5 weeks, GentlePrep fortnightly. The most recent releases landed on September 27, 2026 and October 2, 2026 respectively.
| Parameter | FLEX DMV | GentlePrep |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (23 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 23 — better | — |
| Update frequency | Every 5 weeks | Fortnightly — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 34 MB | 58 MB |
| Age rating | 4+ | 17+ |
| Developer | FLEX DC LLC | Dodecki Labs |
In-app purchases
FLEX DMV
No in-app purchases
GentlePrep
- Comfort Pack$7.99
- Comfort Pack$9.99
