ACE+KEY vs GRAMPS Viewer
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
ACE+KEY
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Innovative functionality of the ACE+Key application allows users to open a fibre-optic cabinets using a mobile application.
GRAMPS Viewer
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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 fingertipsβeven without internet. YOUR FAMILY TREE, ANYWHERE β’ Multiple Family Trees - Keep track of different family branches or collaborate with relatives who maintain separate trees. Switch between multiple family histories with ease. β’ 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. β’ Works Offline - Your entire family history is always available, even without internet. Perfect for research trips, family gatherings, or anywhere you go. β’ Easy Import - Load family trees from files on your device or connect directly to online family databases. Your files stay accessibleβno need to re-import after restarting your device. BEAUTIFUL FAMILY TREES β’ Traditional Genealogy Charts - See your family connections the way genealogists have for generations. Clean, easy-to-read layouts show how everyone is related. β’ Interactive Exploration - Tap any person to see their ancestors and descendants. Zoom and pan to explore large family trees with hundreds of relatives. β’ Three Ways to Browse: - People - See everyone alphabetically - Families - Group relatives by family name - Surnames - Explore specific family lines RICH FAMILY STORIES β’ 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 β’ Quick Search - Find any relative instantly by name. Search adapts to how you're browsing for faster results. β’ Timeline View - See life events in chronological order. Follow your ancestors' journeys through births, marriages, moves, careers, and more. EASY SYNCING β’ 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 β’ Automatic Updates - Connect to online family trees and let the app check for changes. You'll always have the latest information without manual updates. β’ 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 β’ Beautiful Interface - Clean, modern design that's easy on the eyes. Includes dark mode for comfortable nighttime browsing. β’ Multiple Languages - Available in English, German, and Croatian with more languages on the way. β’ Privacy First - Your family data stays on your device. You control what you import and where it comes from. β’ 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
Verdict
ACE+KEY and GRAMPS Viewer are too close to call on the numbers: across 6 compared parameters β price, update cadence, ads and in-app purchases among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ACE+KEY ships an update every 2 months, GRAMPS Viewer monthly. The most recent releases landed on October 22, 2026 and October 8, 2026 respectively.
| Parameter | ACE+KEY | GRAMPS Viewer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Monthly β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 | 15 β better |
| Further details β not scored | ||
| Size | 25 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | TKF | Janez Troha |
In-app purchases
ACE+KEY
No in-app purchases
GRAMPS Viewer
No in-app purchases
Questions
Is ACE+KEY free?
Is GRAMPS Viewer free?
Do ACE+KEY or GRAMPS Viewer have ads?
Which is updated more often, ACE+KEY or GRAMPS Viewer?
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