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Colonoscopy prep, guided step by step

Snap your prep sheet, get a personalized timeline, and stay on track with reminders, drink timers, and calm support through the night.

Download on the App Store Android coming soon

App-guided prep has been shown to improve adequate bowel preparation rates: 87.5% vs 77.5% [Source]

When prep gets overwhelming, GentlePrep tells you what to do next

See your schedule clearly

Snap your prep sheet and turn confusing instructions into a simple, timed timeline — or enter your details manually.

Stay on time

Lock screen countdowns, gentle reminders, and glass-by-glass pacing keep you on track through the night.

Recover if things go off track

Feeling nauseous? Pause your schedule, get comfort tips, and pick back up when you're ready. Your timeline adjusts.

Everything you need for a smooth prep

Snap your prep sheet

Take a photo of your prep instructions and GentlePrep builds your personalized timeline automatically. No more deciphering confusing paperwork.

Premium

Glass-by-glass timer

Never play the "when do I drink next?" guessing game. The app tells you exactly when, and pauses if you need a break.

Chat with Pip

Up at 2 AM with a question? "Can I have coffee?" "Is this normal?" Pip is here with friendly, reliable answers.

Stool clarity tracker

Know exactly when your prep is working. Track clarity from opaque to clear — so you feel confident by morning.

Hydration & medication tracking

Log every sip toward your daily goal. Track which meds to hold, which to take, and when — no more guessing.

Recap report for your doctor

Generate a one-page PDF summary of your entire prep journey. Hand it to the nurse when you arrive.

Chat with Pip

Up at 2 AM with a question? "Can I have coffee?" "Is this normal?" Pip is here with friendly, reliable answers.

Your calm, friendly prep companion — always available to answer questions, explain instructions, and ease your mind.

Hydration & medication tracking

Log every sip toward your daily goal. Track which meds to hold, which to take, and when — no more guessing.

Log fluids with one tap. Track your progress all day with a visual timeline that keeps you on schedule.

Stool clarity tracker

Know exactly when your prep is working. Track clarity from opaque to clear — so you feel confident by morning.

Visual clarity checks take the guesswork out of knowing when you're ready for your procedure.

Your countdown, always visible

See your next step right on your lock screen — even in the middle of the night. No need to unlock your phone or open the app.

Available on iPhone with iOS 16.1 or later.

Better prep means fewer surprises on procedure day

22M+
colonoscopies performed each year worldwide
1 in 4
preps are inadequate — leading to repeat procedures
87.5%
adequate prep rate with app guidance vs 77.5% without

Inadequate prep is common. Missing steps or falling behind can affect procedure quality. GentlePrep helps you stay organized and consistent when timing matters most.

Source: Desai M, et al. "Use of smartphone applications to improve quality of bowel preparation for colonoscopy: a systematic review and meta-analysis." Endoscopy International Open. 2019;7(2):E216–E224.

Free to start. Upgrade only if you want extra support.

Free

$0
  • Basic prep timeline
  • Glass reminders
  • Hydration logging
  • FAQ & prep tips

Make your next prep the easiest one yet

No account required. One-time purchase, no subscription. Available on iOS and Android.

Download on the App Store Android coming soon
"The proportion of adequate bowel preparation was higher in the smartphone application group compared with the control group (87.5% vs 77.5%; five studies), with a pooled odds ratio of 2.67 (95% CI 1.00–7.13). Smartphone application users had significantly higher mean Boston Bowel Preparation Scale scores (mean difference 0.9, 95% CI 0.5–1.3, P<0.01)."

Desai M, Nutalapati V, Bansal A, Buckles D, Bonino J, Olyaee M, Rastogi A.

"Use of smartphone applications to improve quality of bowel preparation for colonoscopy: a systematic review and meta-analysis"

Endoscopy International Open, 2019;7(2):E216–E224

Systematic review & meta-analysis of 6 randomized controlled trials (810 app users vs 855 controls)

Read full study
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Download on the App Store Android coming soon