Comparison

Constella vs Lector

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

Head to head
About

Constella

Capture thoughts, synthesize ideas, and automate workflows in one place. This AI-powered tool connects notes, emails, and tasks to surface insights and allows for instant semantic search. It adapts to various thinking styles, making it ideal for professionals and creatives.

Highlights
  • Instant thought capture with text and images
  • AI synthesis across notes, emails, and apps
  • Semantic instant search
  • Smart automations and task delegation
  • Sync across devices
  • Integrates with Notion, Google Drive
Features
Read full description

Losing thoughts suck but organizing is painful, so we made the fastest way to capture and recall them without Instant Thought Capture: Jot down ideas the moment they strike. Quick-capture notes, links, and images from anywhere on your phone. Never forget a fleeting thought again. Thanks to AI indexing, you don't have to fumble with files and folders when organizing them. AI-Powered Synthesis Constella connects your notes, emails, newsletters, and tasks to surface insights you would have missed. Your personal AI understands context and finds relationships between your thoughts automatically. Smart Instant Search Find anything in seconds with AI-powered semantic search. No need to remember exact words or which folder you saved something in — just describe what you are looking for. Built for Those with Lots of Thoughts Key Features - Quick thought capture with text and images - AI synthesis across notes, emails, and apps - Semantic instant search across all your content - Smart automations and task delegation - Redesigned dashboard for faster navigation - Sync across devices with the desktop and web app - Integrates with Notion, Google Drive, and more - 475M+ research papers searchable Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.constella.app/legal/privacy-policy

About

Lector

Features
Read full description

Lector is a clean and minimal reading app designed for people who want to focus. Upload your PDFs and read without distractions. No feeds, no noise, no clutter. Features: • Clean and distraction-free reading experience • Support for PDF documents • Simple navigation based on the original document pages • Dark mode support • Offline access to your files Lector is built for readers who value simplicity and clarity. More features coming soon (AI, VoiceReader, and more) Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://lector.thefndrs.com/privacy

Screenshots

Constella4 screens
Lector4 screens

Verdict

The call

The clearest difference is ads: Constella at none against Lector's shown. Constella also leads on update cadence (every 10 days vs every 3 weeks) and iOS requirement (16.4 vs 26.1). On price, 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. Constella sells 6 in-app purchases, starting at $7.99 per month and Lector sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Constella ships an update every 10 days, Lector every 3 weeks. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
Constella versus Lector: the parameters behind the verdict, then further details
ParameterConstellaLector
PriceFreeFree
Rating4.8 (10 ratings) — better—
Positive reviews87.5% of reviews—
Number of ratings10 — better—
Update frequencyEvery 10 days — betterEvery 3 weeks
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.4 — better26.1
Further details — not scored
Size89 MB10 MB
Age rating4+4+
DeveloperNora StudiosMarlon Geovany Castro Mejia

In-app purchases

6 purchases

Constella

Subscriptions4
  • Base7 Days trial$7.991 Month
  • Ultra7 Days trial$19.991 Month
  • Base Yearly7 Days trial$71.991 Year
Show 1 more
  • Ultra Yearly7 Days trial$179.991 Year
One-time2
  • Stella Call Credits - Small$2.99
  • Stella Call Credits - Big$5.99
3 purchases

Lector

Subscriptions2
  • Lector Pro Access (Monthly)1 Month trial$5.991 Month
  • Lectro Pro Access (Yearly)$59.991 Year
One-time1
  • Early Founder Access$99.99

Questions

Is Constella free?
Constella is free to download, with in-app purchases available.
Is Lector free?
Lector is free to download, with in-app purchases available.
Do Constella or Lector have ads?
Lector shows ads; Constella does not.
Which is updated more often, Constella or Lector?
Constella ships an update every 10 days, and Lector every 3 weeks. Most recently, Constella was updated on October 8, 2026 and Lector on October 24, 2026.

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