Comparison

Monolog vs Kellno

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

Head to head
About

Monolog

This app functions as a knowledge treasury and creative toolkit, featuring bidirectional linking to create an interconnected web of ideas. It offers hierarchical tagging for structured organization, a spaced repetition system for efficient review, and panoramic statistics to visualize your learning journey. Data is securely stored using iCloud for privacy and continuity.

Highlights
  • Bidirectional linking
  • Hierarchical tagging
  • Spaced repetition review
  • Learning statistics
  • iCloud data storage
Features
Read full description

Welcome to Monolog, it's your knowledge treasury and creative toolkit. The Magic of Bidirectional Links: Unlike conventional note-taking apps, Monolog introduces a unique bidirectional linking feature. This allows you to effortlessly jump from one note to another related note, weaving an interconnected web of knowledge. Each of your notes can serve as a reference for others, linking all your ideas and insights, facilitating a seamless flow of thoughts. Clear Structure with Hierarchical Tags: Knowledge has depth and breadth. Monolog's hierarchical tagging offers you a more expressive way to organize notes. This granularity and categorization make your content more structured, helping you build a logically coherent knowledge mansion. Efficient Review Mechanism: Learning and memory require continuous effort and review. Monolog's spaced repetition ensures that your knowledge is reinforced, making learning more profound. Panoramic View with Statistics: Beyond just capturing knowledge, Monolog provides a rich statistical feature, ranging from heatmaps to pie charts, offering a comprehensive perspective of your learning journey and knowledge structure. Protecting Your Privacy and Continuity: Monolog uses iCloud for storage, ensuring your data is neither stored on the developer's servers nor accessible to others, offering you the utmost privacy protection. This also guarantees the app's longevity, allowing you to use it with peace of mind. Monolog, more than just a note-taking app, it's the spark of your thoughts, the bridge of your knowledge, and the generator of your inspiration. Experience now, and never let any moment of inspiration slip away. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Kellno

Features
Read full description

Planvo is a mobile workforce management app built specifically for restaurant operations in Germany. It gives managers a single place to build weekly shift schedules, track attendance, manage leave, and stay compliant with German labor law — all from their phone. FOR MANAGERS - Build weekly shift schedules with an easy drag-free grid - Publish shifts instantly — staff are notified in real time - Track who is working with GPS-verified check-in and check-out - Review and approve leave and wish-free-day requests - See live attendance: who is in, who is missing, who is late - Get automatic warnings for German labor law (ArbZG) — break rules, rest periods, and overtime - Manage your team — add staff, set positions, and track hours - Export attendance data for payroll FOR EMPLOYEES - See your schedule the moment it's published - Clock in and out with GPS confirmation - Track your breaks - Submit leave and wish-free-day requests - Set your weekly availability - Monitor your hours and vacation balance BUILT FOR GERMANY - German and English — switch anytime - Aware of German labor law: break requirements, 11-hour rest periods, and daily maximums - Designed for Werkstudenten with weekly hour tracking INVITE-ONLY & SECURE No open sign-up. Managers join with an invite code, and employees are added by their manager. Your data stays private. Planvo keeps your whole restaurant team in sync — in real time.

Screenshots

Monolog4 screens
Kellno4 screens

Verdict

The call

The clearest difference is in-app purchases: Kellno at none against Monolog's 3. Kellno also leads on iOS requirement (13.0 vs 18.0). 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. Monolog sells 3 in-app purchases, starting at $1.99 per month. Kellno asks for nothing beyond the download.

UpkeepUpdate frequency

Monolog ships an update monthly, Kellno every 5 weeks. The most recent releases landed on October 13, 2026 and September 13, 2026 respectively.

Scorecard2 real differences · 8 level
Monolog versus Kellno: the parameters behind the verdict, then further details
ParameterMonologKellno
PriceFreeFree
Rating4.4 (23 ratings) — better—
Positive reviews65.2% of reviews—
Number of ratings23 — better—
Update frequencyMonthly — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Mac — betteriPhone, iPod
Requires iOS18.013.0 — better
Further details — not scored
Size35 MB59 MB
Age rating4+9+
Developer澍 王Muhammad Shariq Ajmal

In-app purchases

3 purchases

Monolog

Subscriptions2
  • Monthly plan7 Days trial$1.991 Month
  • Annual plan7 Days trial$14.991 Year
One-time1
  • Lifetime Plan$49.99
None

Kellno

No in-app purchases

Questions

Is Monolog free?
Monolog is free to download, with in-app purchases available.
Is Kellno free?
Kellno is free to download, with no in-app purchases.
Do Monolog or Kellno have ads?
Neither Monolog nor Kellno shows ads.
Which is updated more often, Monolog or Kellno?
Monolog ships an update monthly, and Kellno every 5 weeks. Most recently, Monolog was updated on October 13, 2026 and Kellno on September 13, 2026.

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