Comparison

Möbius Sync vs KNOWLY AI

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

Head to head
About

Möbius Sync

Sync files between your iOS devices and other Syncthing-compatible platforms without relying on cloud services. Access files within the app's sandbox or, with a paid upgrade, integrate with other apps' sandboxes and export photos.

Highlights
  • Peer-to-peer file synchronization
  • Syncthing engine integration
  • Sync with other Syncthing devices
  • Access files via iOS Files app
  • Paid access to other app sandboxes
  • Paid export of iOS Photo Library
Features
Read full description

Möbius Sync brings Syncthing to your iPhone or iPad, allowing you to synchronize selected files between iOS devices and other devices supported by Syncthing, without the need for any cloud service. Supports multiple folders and multiple remote devices. Synchronized folders can be created: 1. in the Möbius Sync sandbox and files can be added to and retrieved from shared folders via the iOS Files app; or 2. (PAID feature) by accessing other apps' sandboxes. This feature is EXPERIMENTAL and may break other app's functionality; or 3. (PAID featured) iOS Photo Library folders can be exported to other devices send-only. Uses the open-source Syncthing engine internally. Usage within the Möbius Sync sandbox is free up to 20MB. Unlimited file sync, including files in other apps' sanboxes is available for a one-time purchase. NOTE: The functionality unlocked by in-app purchase is identical to that in Möbius Sync Pro (which is purchased up-front).

About

KNOWLY AI

This AI-powered tool helps you quickly understand and simplify complex information. It extracts key details from documents, articles, and conversations, providing clear explanations and insights for learning and productivity.

Highlights
  • Text scanning and smart extraction
  • Clear summaries of content
  • Easy-to-understand explanations
  • Document comparison tools
  • Fast insights for learning and organizing
Features
Read full description

Knowly AI helps you scan, simplify, and understand information faster with AI. Built for everyday learning and productivity, Knowly turns complex content into clear insights you can actually use. From articles and notes to conversations and documents, Knowly helps you pull out what matters most.App offers auto-renewable subscriptions for premium access. Features include: • Text scanning and smart extraction • Clear summaries of articles and written content • Easy-to-understand explanations of difficult topics • Comparison tools for documents, images, and more • Fast insights for learning, reviewing, and organizing information Knowly is perfect for students, professionals, creators, and anyone who wants to save time and understand more. When information feels overwhelming, Knowly helps make it clear. Knowly AI offers auto-renewable subscriptions for premium access. Available subscriptions may include monthly and annual plans. Subscription length and pricing are shown clearly in the app before purchase. Payment will be charged to your Apple ID account at confirmation of purchase. Subscription renews automatically unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase. • Premium Monthly — $4.99 per month • Premium Annual — $39.99 per year https://scan-know-analyze.lovable.app/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ These subscriptions unlock premium features within the app. Users can manage or cancel their subscriptions in their Apple ID account settings after purchase. Subscription automatically renews unless canceled at least 24 hours before the end of the current billing period. Features include: • Text scanning and smart extraction • Clear summaries of articles and written content • Easy-to-understand explanations of difficult topics • Comparison tools for documents, images, and more • Fast insights for learning, reviewing, and organizing information Knowly is perfect for students, professionals, creators, and anyone who wants to save time and understand more.When information feels overwhelming, Knowly helps make it clear.

Screenshots

Möbius Sync1 screens
KNOWLY AI4 screens

Verdict

The call

The clearest difference is review sentiment: KNOWLY AI at 100% against Möbius Sync's 54%. KNOWLY AI also leads on rating (5.0 vs 3.8) and update cadence (every 3 days vs every 3 months). Möbius Sync's advantage is ratings volume (141 vs 1). On price, ads, in-app purchases and monetization model 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. Möbius Sync sells 1 one-off in-app purchase and KNOWLY AI sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

KNOWLY AI holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Möbius Sync has 141 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 54% of Möbius Sync's written reviews are positive against 100% of KNOWLY AI's.

UpkeepUpdate frequency

Möbius Sync ships an update every 3 months, KNOWLY AI every 3 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
Möbius Sync versus KNOWLY AI: the parameters behind the verdict, then further details
ParameterMöbius SyncKNOWLY AI
PriceFreeFree
Rating3.8 (141 ratings)5.0 (1 ratings) — better
Positive reviews54.3% of reviews100.0% of reviews — better
Number of ratings141 — better1
Update frequencyEvery 3 monthsEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size28 MB18 MB
Age rating4+17+
DeveloperPickup Infinity LimitedTEMNE ADAH HARDAWAY

Customer experience

Möbius Sync

All ratings141 ratings
Positive67.4%
Neutral8.5%
Negative24.1%
Written reviews173 reviews
Positive54.3%
Neutral13.9%
Negative31.8%

KNOWLY AI

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Möbius Sync

Reported bugs

16 issues
  • Syncthing version incompatibility with v2.x devices
  • Device discovery limited to 1 of 5 paired devices
  • Insufficient space errors despite available storage
  • Purchase dialog rendering issues on older devices
  • Purchase not persisting after app reinstall
Show 11 more
  • Settings reset after app updates
  • External folder bookmark path cannot be changed
  • .stfolder sync failures and naming conflicts
  • Sync hangs at intermediate percentages
  • Files not appearing in designated folders despite sync confirmation
  • App crashes and becomes unresponsive
  • Language preference not saved between sessions
  • Syncthing disabled errors with no explanation
  • Quick Sync feature not working reliably
  • Accessibility issues with VoiceOver
  • App storage consuming excessive disk space (10GB+)

Requested features

15 requests
  • Update internal Syncthing to version 2.x or higher
  • iOS Photos app sync capability (at least one-way upload)
  • True background synchronization
  • Selective folder sync to save storage space
  • File Provider extension for deeper iOS integration
Show 10 more
  • Widget for continuous background operation
  • Photo library backup functionality
  • Family sharing support for purchases
  • Better UI/UX with custom frontend instead of web interface
  • Automatic sync without manual app opening
  • Support for untrusted devices
  • Folder encryption support
  • Location-based sync triggers
  • More frequent Syncthing core updates
  • Better documentation and setup guides

KNOWLY AI

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Möbius Sync

One-time1
  • Unlimited file sync$4.99
2 purchases

KNOWLY AI

Subscriptions2
  • Premium monthly3 Days trial$4.991 Month
  • Premium annual3 Days trial$39.991 Year

Questions

Is Möbius Sync free?
Möbius Sync is free to download, with in-app purchases available.
Is KNOWLY AI free?
KNOWLY AI is free to download, with in-app purchases available.
Which has better reviews, Möbius Sync or KNOWLY AI?
KNOWLY AI is rated higher. Möbius Sync averages 3.8 out of 5 from 141 ratings, while KNOWLY AI averages 5.0 from 1 ratings.
Do Möbius Sync or KNOWLY AI have ads?
Neither Möbius Sync nor KNOWLY AI shows ads.
Which is updated more often, Möbius Sync or KNOWLY AI?
Möbius Sync ships an update every 3 months, and KNOWLY AI every 3 days. Most recently, Möbius Sync was updated on November 3, 2026 and KNOWLY AI on October 31, 2026.

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