Comparison

HelixNotes vs balu

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

Head to head
About

HelixNotes

A private, open-source Markdown note-taking app that keeps your data on your device. Organize notes with notebooks, tags, and wiki links, and utilize advanced features like mathematical notation and diagrams.

Highlights
  • Local Markdown storage
  • Visual and source code editor
  • Notebooks, tags, and wiki links
  • Task management and calendar views
  • KaTeX and Mermaid diagram support
  • Version history and backups
  • Optional WebDAV sync
Features
Read full description

HelixNotes is a private, open-source Markdown notes app. Your notes remain standard Markdown files under your control. No account is required, and HelixNotes has no company-operated cloud. Write with a clean visual editor or switch to source mode when you want direct access to the Markdown. Organize your work with notebooks, tags, wiki links and full-text search. Features include: • Tasks collected from checklists across your notes • List and calendar views with priorities and due dates • Wiki links and an interactive graph view • Daily notes with a built-in calendar • Markdown tables, code blocks and syntax highlighting • KaTeX mathematical notation and Mermaid diagrams • Outline navigation and tag autocomplete • Version history and automatic backups • Light, dark and customizable themes • Optional WebDAV sync with your own server • Optional AI tools using your own provider Nothing leaves your device unless you enable a feature that connects to an external service. Your notes stay readable outside HelixNotes, without a proprietary format or platform lock-in. HelixNotes is free software released under the GNU AGPLv3. Its source code is publicly available on GitLab.

About

balu

Features
Read full description

balu is a calm, fast todo app with one big difference: your tasks live on a server you choose and run. Perfect for your homelab: one docker-compose, no account with us, no cloud subscription, no vendor lock-in - just open-source software and your own data. PLAN LIKE YOU THINK • Start dates and deadlines are separate: decide when to begin, independent of when something is due • Today with a This Evening section, Upcoming, Anytime, Someday and a Logbook • Projects with sections, labels, priorities and repeating tasks CAPTURE AT THE SPEED OF THOUGHT • Quick add understands natural language in English and German: "call Sam friday 5pm" or "Wäsche waschen jeden zweiten Dienstag" • Live token highlighting shows what balu understood while you type WORKS OFFLINE, REALLY • A full copy of your tasks lives on your device • Add, edit and complete in airplane mode; everything syncs when you're back SHARE WITH YOUR PEOPLE • Workspaces with roles, from full editor down to read-only • Assign tasks, discuss them in comments, see everything assigned to you REMINDERS YOUR WAY • Local notifications on your device • Optional nudges through ntfy, email or Telegram from your own server SELF-HOSTED & OPEN SOURCE • MIT-licensed, deployed with a single docker-compose on your hardware • The app connects to the server URL you enter - nothing else balu requires a self-hosted balu server. Set one up in minutes: https://blaumedia.com/balu

Screenshots

HelixNotes2 screens
balu4 screens

Verdict

The call

The clearest difference is update cadence: balu at fortnightly against HelixNotes's monthly. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

HelixNotes ships an update monthly, balu fortnightly. Both last shipped on October 31, 2026.

Scorecard1 real difference · 8 level
HelixNotes versus balu: the parameters behind the verdict, then further details
ParameterHelixNotesbalu
PriceFreeFree
Rating5.0 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyMonthlyFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.0 — better15.1
Further details — not scored
Size20 MB30 MB
Age rating4+4+
DeveloperYuri Karamianblaumedia GmbH

In-app purchases

None

HelixNotes

No in-app purchases

None

balu

No in-app purchases

Questions

Is HelixNotes free?
HelixNotes is free to download, with no in-app purchases.
Is balu free?
balu is free to download, with no in-app purchases.
Do HelixNotes or balu have ads?
Neither HelixNotes nor balu shows ads.
Which is updated more often, HelixNotes or balu?
HelixNotes ships an update monthly, and balu fortnightly. Most recently, HelixNotes was updated on October 31, 2026 and balu on October 31, 2026.

Other comparisons