Comparison

zOutline vs ArchFlowy

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

Head to head
About

zOutline

This is a simple outline editor that allows for easy creation and management of hierarchical lists. It supports multiple outlines in tabs, text formatting, and various export options like HTML, RTF, and plain text. The app remembers your progress and allows sharing via email attachments.

Highlights
  • Simple tap and gesture controls
  • Multiple outlines in tabs
  • Text formatting (bold, italic, underline)
  • Export to HTML, RTF, and text
  • Email attachment sharing
  • Persistent editing state
Features
Read full description

A straightforward, uncomplicated outline editor. You tap an item to select. You double-tap to edit an item. You swipe left on an item to delete an item.. Or you tap-and-hold to cut & paste, etc. Multiple outlines can be edited at once in different tabs. zOutline remembers what you were editing even if you kill the app. You can send outline files as email attachments, and open outline file attachments. zOutline permits export as HTML, RTF or text. Outline items can be enumerated or dotted. Items can be bold, italic, underlined. Several fonts and text colors are available.

About

ArchFlowy

Features
Read full description

Design ERDs Anywhere — Fast, Offline, and Effortless ArchFlowy is the smoothest way to create database diagrams on the go. Built mobile‑first, it gives you the power of a desktop‑class ERD tool right in your pocket — no internet required. Offline ERD Creation Work fully offline, anytime No accounts, no syncing, no waiting Your diagrams stay private and on your device Fast & Fluid Diagramming Instant node creation and linking Zero lag, even in large diagrams Smart snapping and clean auto‑layout Mobile‑First Experience Designed for touch from the ground up Natural gestures for pan, zoom, and edit Optimized UI for small and large screens Smooth Workflow Effortless editing with intuitive controls Quick access to tables, fields, and relationships Clean, minimal interface that stays out of your way Perfect For Designing schemas on the go Brainstorming system architecture Students, developers, and anyone mapping data models EULA: This app is governed by Apple’s Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

zOutline1 screens
ArchFlowy3 screens

Verdict

The call

The clearest difference is in-app purchases: zOutline at none against ArchFlowy's 1. zOutline also leads on iOS requirement (15.6 vs 18.2). 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. ArchFlowy sells 1 in-app purchase, starting at $1.99 per month. zOutline asks for nothing beyond the download.

UpkeepUpdate frequency

zOutline ships an update every 3 weeks, ArchFlowy every 2 weeks. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

Scorecard2 real differences · 8 level
zOutline versus ArchFlowy: the parameters behind the verdict, then further details
ParameterzOutlineArchFlowy
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better18.2
Further details — not scored
Size1 MB3 MB
Age rating17+4+
DeveloperZack SmithTimmy Nguyen

In-app purchases

None

zOutline

No in-app purchases

1 purchases

ArchFlowy

Subscriptions1
  • Monthly Subscription7 Days trial$1.991 Month

Questions

Is zOutline free?
zOutline is free to download, with no in-app purchases.
Is ArchFlowy free?
ArchFlowy is free to download, with in-app purchases available.
Do zOutline or ArchFlowy have ads?
Neither zOutline nor ArchFlowy shows ads.
Which is updated more often, zOutline or ArchFlowy?
zOutline ships an update every 3 weeks, and ArchFlowy every 2 weeks. Most recently, zOutline was updated on October 1, 2026 and ArchFlowy on September 29, 2026.

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