Comparison

Coffee DTR Timer vs Crisp Guide

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

Head to head
About

Coffee DTR Timer

This app helps coffee roasters time their roasts accurately. It allows users to input roaster, bean, and weight details, then track key stages like yellowing and first crack. The timer calculates development time, weight loss, and provides a roast summary for logging.

Highlights
  • Roast stage timing (Yellowing, First Crack, Drop)
  • Live Development Time (DTR) calculation
  • Weight loss calculation
  • Roast history logging
  • Favorite and delete roasts
  • Custom roaster and bean input
Features
Read full description

This simple coffee roast timer is used with your roaster of choice. Add your roaster name, bean name and green weight with units on the setup screen. On the timer screen hit start when you start your roast. Tap the Yellowing button when the beans start to turn yellow and the drying phase time is saved. Tap First Crack at the sound of first crack and the Maillard phase time is saved and live DTR is enabled allowing to dial in development time! Tap Drop/End and the development time along with DTR, maillard time, time to first crack and total roast time are shown to allow you to log your roast information. Add roasted weight and weight loss is calculated. Save roast will add to roast history and display the roast summary screen. On the history screen the user can favorite or delete roasts from the history.

About

Crisp Guide

This app helps you store fresh food correctly, track its freshness, and get recipe ideas based on what you have. It prevents food waste by reminding you what to use first.

Highlights
  • Food storage guidance library
  • Grocery haul tracking
  • Freshness estimation
  • Usage reminders
  • AI-powered recipe generation
  • Grocery photo import
Features
Read full description

Most of us don't actually know the right way to store fresh food. An apple next to bananas, tomatoes in the fridge, bread left out too long. Small mistakes that add up. Crisp Guide makes it simple: know where everything goes, how long it keeps, and when to use it. Just add your grocery haul, and Crisp Guide remembers what you bought, shows what needs using first based on freshness, and crafts cooking ideas from what's actually in your kitchen. START FREE — NO ACCOUNT NEEDED • Browse the guide: full access to our complete fresh-foods storage guidance library • Save your grocery hauls: kept right on your device, so you always know what you have and where it goes • Freshness: see how fresh your groceries are and an estimate of how long they have left • Reminders: get nudged when foods need using soon so nothing gets forgotten CRISP GUIDE BASIC — Free account • Back up & sync: create a free account to keep your hauls safe and access them across your devices CRISP GUIDE PRO — $3.99/month • Add your grocery haul with a photo: Just snap a pic of your groceries or receipt to quickly sort and store your haul • Turn your groceries into recipes: Create custom cooking ideas from what's already in your kitchen, using AI • Share your kitchen: Share all of your grocery hauls with a partner or roommate, no Pro required on their end. • 1 MONTH FREE TRIAL: For all new subscribers Crisp Guide Pro is an auto-renewing subscription billed monthly at $3.99/month, with a 1-month free trial for new subscribers. Payment will be charged to your Apple ID account at confirmation of purchase, after the trial ends. Your subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage or cancel your subscription anytime in your App Store account settings. Privacy Policy: https://crispguide.notion.site/privacy-policy Terms of Use (EULA): https://crispguide.notion.site/terms-of-service

Screenshots

Coffee DTR Timer4 screens
Crisp Guide4 screens

Verdict

The call

The clearest difference is monetization model: Coffee DTR Timer at free against Crisp Guide's freemium. Crisp Guide's advantage is iOS requirement (15.1 vs 18.5). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Coffee DTR Timer ships an update every 9 days, Crisp Guide every 8 days. The most recent releases landed on September 30, 2026 and September 29, 2026 respectively.

Scorecard2 real differences · 8 level
Coffee DTR Timer versus Crisp Guide: the parameters behind the verdict, then further details
ParameterCoffee DTR TimerCrisp Guide
PriceFreeFree
Rating—5.0 (3 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings—3 — better
Update frequencyEvery 9 daysEvery 8 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFreemium
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.515.1 — better
Further details — not scored
Size1 MB72 MB
Age rating4+12+
DeveloperMike WhaleyDead Earth Design

Customer experience

Coffee DTR Timer

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Crisp Guide

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Coffee DTR Timer

No in-app purchases

None

Crisp Guide

No in-app purchases

Questions

Is Coffee DTR Timer free?
Coffee DTR Timer is free to download, with no in-app purchases.
Is Crisp Guide free?
Crisp Guide is free to download, with no in-app purchases.
Do Coffee DTR Timer or Crisp Guide have ads?
Neither Coffee DTR Timer nor Crisp Guide shows ads.
Which is updated more often, Coffee DTR Timer or Crisp Guide?
Coffee DTR Timer ships an update every 9 days, and Crisp Guide every 8 days. Most recently, Coffee DTR Timer was updated on September 30, 2026 and Crisp Guide on September 29, 2026.

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