Comparison

Prep Clock vs Planthology

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

Head to head
About

Prep Clock

Features
Read full description

Leave on time without guessing. Prep Clock starts with your arrival time, works backward through travel and preparation, and tells you exactly when to begin. PLAN THE WHOLE DEPARTURE - Build reusable routines from real prep steps. - Add destination, travel mode, buffer, and arrival time. - See start-prep, leave, and arrive times together. - Run tasks step by step with per-task timing. - Recalculate when traffic or the plan changes. - Use Running Late mode to see an honest updated arrival estimate. LEARN YOUR REAL TIMING - Record how long tasks actually take. - Compare planned and observed duration ranges. - Apply adaptive estimates to future plans. - Generate upcoming events from recurring prep plans. FREE - Up to three upcoming events and three custom routines. - Core backward planning and commute calculation. PREP CLOCK PRO - Unlimited events and routines. - Recurring plans and adaptive timing. - Manually import selected Calendar events and attach a prep routine. No background calendar sync. - Running Late mode and additional travel modes. - Home Screen widgets and Lock Screen Live Activities. Calendar, location, and notification permissions are requested only when the related feature needs them. Schedule, task, and location details are not sent to an AI service. Subscriptions renew automatically unless canceled in your Apple ID settings. Restore an existing purchase from Settings > Restore Purchases. TERMS OF USE Product Terms of Use: https://www.uncommonweather.com/legal/apps/prepclock-terms.html Apple Standard Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Planthology

This app helps you optimize your daily schedule by calculating travel times between your plans and notifying you when to leave. It also allows for flexible errand planning and trip itineraries, with integrated mapping and journaling features.

Highlights
  • Leave-by time calculations
  • Travel mode selection (drive, walk, transit)
  • Flexible errand planning
  • Trip itinerary builder
  • Integrated mapping and directions
  • Photo journaling and review summaries
  • Widgets and Live Activities
Features
Read full description

A calendar tells you when things are. Planthology tells you whether your day actually works. Give your plans a place and Planthology watches the travel between them - a leave-by time for every leg of your day, warnings when two plans do not physically fit, and a heads-up notification when it is time to head out the door. GET THERE YOUR WAY Every plan can be reached by driving, walking, or public transit. Pick the mode on the travel leg and everything follows it - leave-by times, notifications, the Lock Screen countdown, and the Directions button, which opens Apple Maps or Google Maps in the right mode. Transit estimates are door to door, so the walk to the station is already counted. ERRANDS WITHOUT A SCHEDULE Some days you just need to hit the gym, stop by your parents, and grab groceries - no set times. Mark a plan as Anytime and it sits on the day's Whenever shelf as a simple check-off list. When you are ready, Plan my loop finds the fastest order to run every errand from home, checks traffic across the whole day, and picks the cheapest window that fits around your scheduled plans. Planning just one stop? Ask When should I go? and get the same answer for a single errand. One tap schedules the loop onto your timeline. WIDGETS THAT KEEP SCORE The Today widget shows your progress, your next leave-by time, and the day's route map. The Errands widget lists the Whenever shelf with tappable circles so you can check things off without opening the app. Lock Screen widgets and a Live Activity countdown are there too. TRIPS, START TO FINISH Build a day-by-day itinerary with lodging, flights, hikes, and food. Every day gets a map and travel legs between stops. Road trips work the way you would expect - the first drive of the trip starts from your front door. Import GPX files, search national park trails, and share a trip with friends with end-to-end encryption. A JOURNAL YOU DO NOT HAVE TO WRITE Attach photos as you go. Month in Review and Trip Review turn your plans into stats, a map of everywhere you went, and a shareable card for Instagram or Messages. No ads. No tracking. Your plans stay yours. Travel times are estimates. Always double-check routes and times with a maps app before leaving.

Screenshots

Prep Clock4 screens
Planthology4 screens

Verdict

The call

The clearest difference is in-app purchases: Planthology at none against Prep Clock's 2. Prep Clock's advantage is iOS requirement (18.0 vs 26.4). 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. Prep Clock sells 2 in-app purchases, starting at $2.99 per month. Planthology asks for nothing beyond the download.

UpkeepUpdate frequency

Prep Clock ships an update every 5 days, Planthology weekly. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 7 level
Prep Clock versus Planthology: the parameters behind the verdict, then further details
ParameterPrep ClockPlanthology
PriceFreeFree
Rating—5.0 (3 ratings) — better
Number of ratings—3 — better
Update frequencyEvery 5 days — betterWeekly
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.0 — better26.4
Further details — not scored
Size17 MB11 MB
Age rating4+4+
DeveloperRyan TinklepaughMITCHELL THOMAS ISLER

In-app purchases

2 purchases

Prep Clock

Subscriptions2
  • Pro Monthly$2.991 Month
  • Pro Annual$19.991 Year
None

Planthology

No in-app purchases

Questions

Is Prep Clock free?
Prep Clock is free to download, with in-app purchases available.
Is Planthology free?
Planthology is free to download, with no in-app purchases.
Do Prep Clock or Planthology have ads?
Neither Prep Clock nor Planthology shows ads.
Which is updated more often, Prep Clock or Planthology?
Prep Clock ships an update every 5 days, and Planthology weekly. Most recently, Prep Clock was updated on October 11, 2026 and Planthology on October 24, 2026.

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