Comparison

Fermento vs Kombu Time

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

Head to head
About

Fermento

Track and manage all your fermentation projects, from sourdough and cheese to kombucha and pickles. Features smart timelines, custom reminders, and helpful calculators for precise results. Includes advanced logging and export options for professional use.

Highlights
  • Unlimited fermentation batches
  • Customizable timelines and milestones
  • Smart reminders for tasks
  • pH, salt %, and weight tracking
  • Culture management
  • HACCP decision-tree builder
  • Recipe scaling calculators
Features
Read full description

Fermento keeps pickles, sourdough, cheeses, kombucha, charcuterie and more on schedule with smart timelines, reminders, calculators and exportable logs—for beginners and pros. Projects & timelines - Unlimited batches with custom milestones and photo notes - pH, salt %, weight and observations—timestamped in one place - Smart reminders for feeds, flips, checks and cures Culture management - Starters, SCOBY hotels and kefir grains—health, feeds and lineage together HACCP (for pros) - Decision-tree builder for hazards and CCPs - Monitoring/verification logs with corrective actions - Export tidy PDFs for audits and compliance Calculators & scaling - Hydration, salt %, inoculation ratios and timing helpers - Instant scaling and saved methods Insights - Compare batches, spot trends and review pH/tempo curves - Equipment notes and calibration history (keep sensors honest) Why Fermento? Made by fermentation obsessives. Private, focused and practical—whether it's your first kimchi or a full curing chamber. Terms of Use: https://drobinin.com/apps/terms/fermento/

About

Kombu Time

This app simplifies the kombucha brewing process by offering straightforward tracking of fermentations, timely notifications, and an overview of all your brews. It allows optional logging of flavors and tea types, with a brew history and exportable data.

Highlights
  • Brew management for first and second fermentation
  • Home screen widgets for brew status
  • Timely bottling and readiness notifications
  • At-a-glance brew overview
  • Brew history and statistics
  • Optional flavor and tea type tracking
  • Exportable brewing data
Features
Read full description

Brew your kombucha with confidence and ease using Kombu Time, the app designed to keep your brewing process simple and stress-free. Perfect for kombucha enthusiasts who value simplicity, Kombu Time helps you track your fermentations without the clutter of unnecessary features. Features: - Straightforward Brew Management: Easily manage your kombucha brews with clear tracking of both first and second fermentations. Add optional flavor notes for second fermentation and tea types for first fermentation to keep track of your experiments. - Home Screen Widgets: See your active brews at a glance without opening the app. Available in multiple sizes, widgets show fermentation progress, days remaining, and which brews need attention—right from your home screen. - Timely Notifications: Receive notifications exactly when you need them—when it's time to bottle after the first fermentation, and when your kombucha is ready to enjoy after the second. Quick actions let you complete a brew or extend fermentation by 1 day right from the notification—no need to open the app. - At-a-Glance Brew Overview: See the status of all your brews in one clean, uncluttered view. Clear visual indicators show when brews are ready, in progress, or overdue. Know exactly when to start a new brew or when to bottle, without any distractions. - Brew History: Track your kombucha journey with automatic history logging. View statistics including total brews completed, average fermentation times, and most-used flavors. Export your brewing data as CSV or JSON for your own analysis. - Flavor & Tea Type Tracking: Keep track of which flavors you use for second fermentation and which tea varieties for first fermentation. Choose from pre-populated favorites or add your own. Completely optional—skip it if you prefer to keep things simpler. Why Kombu Time? Kombu Time was born out of the need for a no-fuss, straightforward kombucha brewing app. If you're tired of apps overloaded with features you don't need, Kombu Time is the perfect solution. It does exactly what you need—nothing more, nothing less. All features are designed to enhance your brewing without adding complexity. History tracking, flavor notes, and tea types are completely optional. Use what helps you, ignore what doesn't. Start Brewing with Ease! Download Kombu Time today and simplify your kombucha brewing process. Focus on the joy of brewing, not on managing complicated tools.

Screenshots

Fermento4 screens
Kombu Time3 screens

Verdict

The call

The clearest difference is in-app purchases: Kombu Time at none against Fermento's 4. Kombu Time also leads on iOS requirement (15.3 vs 17.0). Fermento's advantage is review sentiment (100% vs 75%) and update cadence (monthly vs every 3 months). On price, 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. Fermento sells 4 in-app purchases, starting at $3.99 per 7 days. Kombu Time asks for nothing beyond the download.

UpkeepUpdate frequency

Fermento ships an update monthly, Kombu Time every 3 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 5 level
Fermento versus Kombu Time: the parameters behind the verdict, then further details
ParameterFermentoKombu Time
PriceFreeFree
Rating—4.3 (4 ratings) — better
Positive reviews100.0% of reviews — better75.0% of reviews
Number of ratings—4 — better
Update frequencyMonthly — betterEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.3 — better
Further details — not scored
Size111 MB37 MB
Age rating12+4+
DeveloperDrobinin LimitedLammert Westerhoff

Customer experience

Fermento

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Kombu Time

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

In-app purchases

4 purchases

Fermento

Subscriptions4
  • Fermentation Tracker Unlimited$3.997 Days
  • Culture & Probiotic Pro$7.991 Month
  • Fermentation Tracker Unlimited3 Days trial$59.991 Year
Show 1 more
  • HACCP Safety Compliance Pro$179.991 Year
None

Kombu Time

No in-app purchases

Questions

Is Fermento free?
Fermento is free to download, with in-app purchases available.
Is Kombu Time free?
Kombu Time is free to download, with no in-app purchases.
Do Fermento or Kombu Time have ads?
Neither Fermento nor Kombu Time shows ads.
Which is updated more often, Fermento or Kombu Time?
Fermento ships an update monthly, and Kombu Time every 3 months. Most recently, Fermento was updated on November 3, 2026 and Kombu Time on October 30, 2026.

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