# Coffee DTR Timer vs Crisp Guide

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

## The numbers

| Metric | Coffee DTR Timer | Crisp Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/crisp-guide/id6755221254/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 8 days** |
| Monetization | **Free** | Freemium |
| Size | 1 MB | 72 MB |
| Requires iOS | 18.5 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Mike Whaley](https://appshunter.io/developer/1720535901) | [Dead Earth Design](https://appshunter.io/developer/1852683131) |

## What reviewers say

### Coffee DTR Timer

[App page](https://appshunter.io/ios/app/coffee-dtr-timer/id6749510887)

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:** macOS Compatibility

**In-app purchases:** none


### Crisp Guide

[App page](https://appshunter.io/ios/app/crisp-guide/id6755221254)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*