Comparison

Comet vs GRAMPS Viewer

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

Head to head
About

Comet

This AI-powered browser serves as a personal assistant, enhancing focus and streamlining workflows. It offers unified AI search, instant context, and automation across websites for tasks like summarizing, shopping, scheduling, and research.

Highlights
  • Unified AI search
  • Instant context and automation
  • Summarize, shop, schedule, research
  • Personalized workflow adaptation
  • Tab and inspiration management
Features
Read full description

Comet is an AI-powered browser that acts as a personal assistant and thinking partner. Boost your focus, streamline your workflow, and turn curiosity into momentum. · Unified AI search, instant context, and automation across every site. Summarize, shop, schedule, and research—directly in the browser. · Enjoy the web and let the AI assistant handle your chores · Do everything on your to-do list faster with Comet · Comet adapts to how you think and work, learning your habits to keep you organized. Never lose track of tabs or inspiration. Terms of Service: https://www.perplexity.ai/tos Privacy Policy: https://www.perplexity.ai/privacy

About

GRAMPS Viewer

Features
Read full description

Discover Your Family History with Gramps Viewer Gramps Viewer is the easiest way to explore your family tree on iPhone, iPad, and Mac. View your Gramps genealogy files with beautiful family trees, track changes to your family history, and keep your ancestors' stories at your fingertips—even without internet. YOUR FAMILY TREE, ANYWHERE • Multiple Family Trees - Keep track of different family branches or collaborate with relatives who maintain separate trees. Switch between multiple family histories with ease. • Smart Updates - See exactly what's new in your family tree. Get notified when relatives add new family members, update information, or make corrections to shared genealogy data. • Works Offline - Your entire family history is always available, even without internet. Perfect for research trips, family gatherings, or anywhere you go. • Easy Import - Load family trees from files on your device or connect directly to online family databases. Your files stay accessible—no need to re-import after restarting your device. BEAUTIFUL FAMILY TREES • Traditional Genealogy Charts - See your family connections the way genealogists have for generations. Clean, easy-to-read layouts show how everyone is related. • Interactive Exploration - Tap any person to see their ancestors and descendants. Zoom and pan to explore large family trees with hundreds of relatives. • Three Ways to Browse: - People - See everyone alphabetically - Families - Group relatives by family name - Surnames - Explore specific family lines RICH FAMILY STORIES • Complete Life Stories - View everything about each person: - Birth, marriage, and death information - Life events with dates and locations - Multiple marriages and relationships - Nicknames and alternate names - Family notes and stories - Photos and documents • Quick Search - Find any relative instantly by name. Search adapts to how you're browsing for faster results. • Timeline View - See life events in chronological order. Follow your ancestors' journeys through births, marriages, moves, careers, and more. EASY SYNCING • Multiple Ways to Import: - Choose files from your device - Connect to online family databases - Open files shared by family members - Scan QR codes to quickly add sources • Automatic Updates - Connect to online family trees and let the app check for changes. You'll always have the latest information without manual updates. • See What Changed - A dedicated Updates page shows you exactly what's new: new family members added, information updated, or corrections made. Mark updates as read to keep track of what you've reviewed. DESIGNED FOR EVERYONE • Beautiful Interface - Clean, modern design that's easy on the eyes. Includes dark mode for comfortable nighttime browsing. • Multiple Languages - Available in English, German, and Croatian with more languages on the way. • Privacy First - Your family data stays on your device. You control what you import and where it comes from. • Respectful Design - Built for genealogists by someone who understands family history. No ads, no subscriptions, no data mining. FULL GRAMPS COMPATIBILITY Compatible with Gramps XML format (version 1.7.2), the popular open-source genealogy software used by thousands of family historians worldwide. Works with both compressed and uncompressed Gramps files of any size. Perfect for: - Family historians exploring their ancestry - Genealogy researchers working in the field - Families collaborating on shared family trees - Anyone wanting mobile access to their Gramps data - Presenting family history at family reunions

Screenshots

Comet4 screens
GRAMPS Viewer4 screens

Verdict

The call

The clearest difference is in-app purchases: GRAMPS Viewer at none against Comet's 3. GRAMPS Viewer also leads on iOS requirement (15 vs 18.0). Comet's advantage is update cadence (every 8 days vs monthly). On price, 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. Comet sells 3 in-app purchases, starting at $20.00 per month. GRAMPS Viewer asks for nothing beyond the download.

UpkeepUpdate frequency

Comet ships an update every 8 days, GRAMPS Viewer monthly. The most recent releases landed on November 12, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 7 level
Comet versus GRAMPS Viewer: the parameters behind the verdict, then further details
ParameterCometGRAMPS Viewer
PriceFreeFree
Rating4.7 (7.8K ratings) — better—
Positive reviews65.3% of reviews—
Number of ratings7.8K — better—
Update frequencyEvery 8 days — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015 — better
Further details — not scored
Size291 MB26 MB
Age rating17+4+
DeveloperPerplexity AI, Inc.Janez Troha

In-app purchases

3 purchases

Comet

Subscriptions3
  • Perplexity Pro$20.001 Month
  • Perplexity Pro$200.001 Year
  • Perplexity Max$200.001 Month
None

GRAMPS Viewer

No in-app purchases

Questions

Is Comet free?
Comet is free to download, with in-app purchases available.
Is GRAMPS Viewer free?
GRAMPS Viewer is free to download, with no in-app purchases.
Do Comet or GRAMPS Viewer have ads?
Neither Comet nor GRAMPS Viewer shows ads.
Which is updated more often, Comet or GRAMPS Viewer?
Comet ships an update every 8 days, and GRAMPS Viewer monthly. Most recently, Comet was updated on November 12, 2026 and GRAMPS Viewer on October 28, 2026.

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