Comparison

Fermentor vs FermentApp

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

Head to head
About

Fermentor

This app helps you meticulously plan and track your fermentation projects. It provides a clear overview of upcoming tasks, allows you to add detailed notes and photos, and offers pre-made templates for various ferments. You can also save your own custom templates for future use.

Highlights
  • Track fermentation projects
  • Project overview and reminders
  • Add pictures and notes
  • Use pre-made templates
  • Create custom templates
  • Supports English and Dutch
Read full description

Fermentor — your personal fermentation companion Make better ferments, every time — with smart tools, reliable timers and clear supporting guides. Fermentor helps you turn fresh ingredients into delicious ferments — whether it’s your first jar of sauerkraut or a long-term miso project. Designed for beginners and experienced fermenters alike, Fermentor combines practical tools, clear step-by-step guidance and a flexible recipe system so you spend less time guessing and more time creating. --- FREE FEATURES These features are available to all users: • Basic recipe library — Includes foundational ferments such as sauerkraut, pickles, kombucha and sourdough bread. • Custom recipes — Create and save your own fermentation recipes. • Timers & project tracking — Start fermentation projects, set reminders and track progress. • Works offline — Your data stays on your device. • English & Dutch — Switch between languages anytime. --- PRO FEATURES (subscription required) Upgrade to Fermentor Pro to unlock advanced tools and deeper content: • Logbook for detailed project notes and observations • Growing recipe library — Access expanded and regularly updated recipes, including advanced and experimental ferments. • AI-Powered Recipe Generator — Describe your ingredients and flavor preferences and get custom-generated recipes and variations. • Archive projects — Store completed projects and restart them later. • Voice dictation for recipes — Capture recipe ideas and fermentation notes using your voice. • Salt calculator • Fermentation planner (including long-term aging and bread pre-ferment planner) --- Privacy & AI Your data stays on your device. Fermentor only uses AI features when you choose to activate them. --- Who it’s for • New fermenters seeking clear guidance. • Home cooks running multiple jars and long projects. • Workshop participants and food professionals who want a structured way to track and refine results. --- About the maker Created by Berend Weij, an experienced fermentation practitioner who teaches workshops and develops recipes in Ede and Utrecht (the Netherlands). Start your fermenting journey today — from your first bubbly jar of sauerkraut to a slow-aged miso. Fermentor brings hands-on tradition together with smart digital tools. --- Fermentor Pro Subscription Fermentor Pro is an optional monthly subscription that unlocks premium features, including: • AI-powered recipe generator • Logbook • Salt calculator • Expanded recipe library • Archive & restore projects • Voice dictation tools Price: €0.99 per month Auto-renewing: Yes, until cancelled Manage: Apple ID → Subscriptions Terms of Use (Apple EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy https://www.studiozoetekauw.nl/fermentor-privacy/

About

FermentApp

Learn the art of fermentation and pickling with step-by-step lessons and guided recipes. Explore a variety of techniques, from basic lactofermentation to making kimchi, with audio options for on-the-go learning. This app offers a comprehensive guide for beginners to create delicious homemade ferments.

Highlights
  • 10 illustrated theory lessons
  • Audio versions of lessons
  • 16 guided step-by-step recipes
  • Recipe alerts and notifications
  • Vegan options for recipes
  • Content in English and Spanish
Features
Read full description

Hands-on crash course for homemade Ferments & Pickles. FermentApp is the ultimate app to learn fermentation and pickling techniques from scratch and at your own pace: - 10 lessons with all the theory on veggie lactofermentation fundamentals, beautifully illustrated. You can also listen to the lessons while doing other stuff as they're also available in audio format. More than two hours of fun and rigorous content. - 16 guided recipes, step by step, with alerts and notifications that will guide you through the whole process. Recipes are in order of difficulty, so we'll start with easy recipes and we'll end up making our own kimchi, our graduation recipe. All the recipes are vegan or have a vegan option. And with more recipes coming soon! All the content is available in English and Spanish. Lesson index: 1. Course introduction 2. Why fermenting? 3. Fermentation technique 4. Pickling technique 5. Hygiene and cleanliness 6. Best practices 7. Problem solving 8. Recommended tools 9. Fermentation decalog 10. Bibliography and references Recipe index (more recipes will be published in the next months): 1. Quick pickles 2. Sauerkraut 3. Avocado pickles 4. Sourdough 5. Preserved lemons 6. Red sauerkraut 7. Vietnamese pickles 8. Sima 9. Ginger bug 10. Giardiniera (Chicago Style) 11. Fermented salsa 12. Tepache 13. Fermented mustard 14. Kvass 15. Ginger ale 16. Kimchi FUTURE PLANS This course, like our ferments, is alive! Here is the open roadmap for the app. If you have any suggestion, we want to hear from you: - Continuous lesson updates and additional content. - New seasonal and extra recipes included in the course. - Newsletter service for FermentApp users. - Optional expansion packs with new courses covering specific topics: koji, vinegars, milk, vegan cheeses, regional ferments and pickles, drinks... - Collaborations with chefs and experts to cover new content tracks. - User profile and community tools. - Recipe customisation to create your own variants. - Personal cookbooks: create and publish your own recipes.

Screenshots

Fermentor4 screens
FermentApp4 screens

Verdict

The call

The clearest difference is price: Fermentor at Free against FermentApp's $4.99. FermentApp's advantage is in-app purchases (none vs 1) and update cadence (every 8 days vs every 5 weeks). On ads, monetization model 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

Fermentor is free to download; FermentApp costs $4.99 up front. Fermentor sells 1 in-app purchase, starting at $0.99 per month. FermentApp asks for nothing beyond the download.

UpkeepUpdate frequency

Fermentor ships an update every 5 weeks, FermentApp every 8 days. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

Scorecard5 real differences · 5 level
Fermentor versus FermentApp: the parameters behind the verdict, then further details
ParameterFermentorFermentApp
PriceFree — better$4.99
Rating—5.0 (1 ratings) — better
Positive reviews88.9% of reviews100.0% of reviews — better
Number of ratings—1 — better
Update frequencyEvery 5 weeksEvery 8 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.113.0 — better
Further details — not scored
Size49 MB31 MB
Age rating17+12+
DeveloperStudio ZoetekauwLostium Project

Customer experience

Fermentor

Written reviews9 reviews
Positive88.9%
Neutral0.0%
Negative11.1%

FermentApp

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Fermentor

Subscriptions1
  • Fermentor Pro$0.991 Month
None

FermentApp

No in-app purchases

Questions

Is Fermentor free?
Fermentor is free to download, with in-app purchases available.
Is FermentApp free?
FermentApp costs $4.99, with no in-app purchases.
Do Fermentor or FermentApp have ads?
Neither Fermentor nor FermentApp shows ads.
Which is updated more often, Fermentor or FermentApp?
Fermentor ships an update every 5 weeks, and FermentApp every 8 days. Most recently, Fermentor was updated on October 3, 2026 and FermentApp on October 8, 2026.

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