Arc Timeline 41.7.5 - App Store

Arc Timeline automatically records where you go, how you get there, and how long you stay - all in the background, with no buttons to press.

A smart learning engine gets more accurate the more you use it, building a detailed, searchable timeline of your daily life. Your trips, your places, your history - recorded effortlessly.

WHAT ARC TIMELINE DOES

▸ Automatically detects and records your visits and trips
▸ Learns your places and recognises them by name
▸ Detects walking, running, cycling, driving, train, bus, airplane, and 20+ more activity types
▸ A learning engine that improves over time, personalised to you
▸ Search your entire history - find any place, any trip, any day

BUILT FOR QUALITY

▸ High quality GPS data with advanced Kalman filtering
▸ Reliable background recording with intelligent sleep mode
▸ Built for iOS 26 with Liquid Glass design
▸ Full dark mode support

YOUR DATA, YOUR DEVICE

▸ All data stored on your device
▸ Optional iCloud backup to your private iCloud account
▸ No accounts, no sign-ups, no data shared with third parties
▸ Export your data anytime in standard JSON format

HEALTH & ACTIVITY INSIGHTS

▸ Heart rate, calories burned, steps, and altitude for every trip and visit
▸ Import workouts from Apple Health
▸ Sync visits to your calendar
▸ Places tab with visit history, occupancy charts, and geographic reports

A free trial is included. An active subscription or lifetime purchase is required after the trial period.

Terms of Use (EULA): https://www.bigpaua.com/arcapp/terms

Version History • Import your Arc Timeline 3 backups directly from iCloud Drive, in Settings > Backup & Restore. No need to have the old app installed. It brings across only history from before Arc Timeline 4 started recording on your iPhone, so it is for anyone whose earlier years never made it across. (BIG-399)
• Place search now finds the branch you are at, not just the best known ones nearby, and lists the closest matches first. (BIG-820)
• The timeline now stays on the same day after minimising and restoring the list, and no longer freezes on a new install when doing so on iOS 27. (BIG-740)
• Search results now open the day from the weekly, monthly and yearly views, and search answers "per day" and "per week" questions, such as "hours of cycling per week this month". (BIG-826, BIG-563)
• Jumping to a timeline item from search now scrolls it fully into view. (BIG-773, BIG-812)
• On iOS 26 the Search tab no longer opens the keyboard by itself. Tap the field to type. (BIG-738)
• The subscription screen now retries by itself after a connection failure. (BIG-823)
• Fixed the visit times legend in Japanese, Chinese and other languages. (BIG-786, BIG-810) 1.7.5 Oct 7 • Fixed the location indicator showing during background recording, which had returned in 1.7.3. (BIG-811)
• Fixed some days failing to load. (BIG-782)
• Improved activity type detection after switching between days. (BIG-791) 1.7.4 Oct 1 • Fixed slow loading of past days on some devices after the 1.7.1 update. The first launch may take a few minutes while the fix is applied. (BIG-792)
• Jumping to a day from the calendar or a search result now always shows that day's visits and map. (BIG-494)
• Segment times, map callouts and trip chart times now show in the time zone they were recorded in. (BIG-535)
• Dates in visit and trip lists now follow your region's format. (BIG-766)
• Resumed restores from backup now keep the screen awake. (BIG-761)
• Fixed a crash when searching by year or month with the Japanese calendar. (BIG-783) 1.7.3 Sep 29 • Fixed a crash at launch on iOS 27. (BIG-750)
• Fixed a crash when opening details for some trips. (BIG-767)
• Arc now shows a banner when your iPhone's storage is full and changes can't be saved. (BIG-745)
• Place search now finds categories as you type, such as "cafe" or "hotel". (BIG-580)
• Map labels now appear in your device's language. (BIG-491)
• Remove an imported workout in one go, from its segments list. (BIG-231)
• The map compass now sits clear of the menu button. (BIG-536)
• Trip paths are easier to see on dark map styles. (BIG-142)
• Improved layouts at larger text sizes in the timeline and visits lists. (BIG-163, BIG-278) 1.7.2 Sep 24 • Photos in the timeline list now load as soon as you open a day. (BIG-610)
• Trips now only show photos taken along their route, matching how visits already work. Other photos from the same time are still there, in a new Other Photos section of the item's gallery. (BIG-18)
• Improved GPX import removal for files containing overlapping tracks and waypoints. (BIG-714)
• Trip speed and altitude charts now show lower-accuracy data in a faded style, so the full trip is always visible. (BIG-697)
• Restore Purchases now explains what to check when it finds no purchases. (BIG-736)
• Search now answers questions about trips of any type, such as "longest trips this year". (BIG-562)
• Trips that cross the 180° meridian now draw correctly on the map. (BIG-722)
• Map callouts now include the day for items from other days. (BIG-202)
• Database maintenance. The first launch after updating may take a few minutes while this runs. (BIG-748) 1.7.1 Sep 20 • Shortcuts app support. Three new actions: Search Arc Timeline, Open Place, and When Was I Last At. (BIG-588)
• Place icons now follow each place's category for far more places, so cafés, stations, gyms and shops get their own icons. (BIG-474, BIG-513)
• Trip details show your most common speed alongside the average, with a tap-through histogram. (BIG-717)
• Editing a segment now zooms the map to that segment. (BIG-388)
• The Subscription view shows your active plan and renewal details, and offers Lifetime to everyone eligible, including subscriptions managed through the original Arc Timeline app. (BIG-438, BIG-721)
• Search filters now float over your results. (BIG-328)
• Improved migration completeness checks for data imported from the original app, with a confirmation before a re-run starts. (BIG-664, BIG-705)
• iOS 27 ready, including chart rendering fixes and layout groundwork for resizable displays. (BIG-668, BIG-704, BIG-590) 1.7.0 Sep 13 • Old app cleanup: Settings > Storage now shows how much space Arc Timeline 3's old data is using on your iPhone, with a safe way to delete it when you no longer need it. Safeguards make sure everything worth keeping has been copied across first. (BIG-321, BIG-693)
• Improved recording accuracy on underground metro and train lines. (BIG-607)
• Improved timeline item handling around recording gaps, plus other timeline processing refinements. (BIG-444, BIG-585)
• The place merge confirmation now shows each place's visit count, to help you pick the keeper. (BIG-676)
• Responses in Search can now be copied with a long press. (BIG-561)
• Fixed a date display issue for Japanese and Chinese at larger text sizes. (BIG-673)
• Plus foundations for place categories, coming in a future update. (BIG-513) 1.6.1 Aug 18 • Merge duplicate places. If the same place has ended up recorded twice, open either one and choose Merge Places from the menu. (BIG-153)
• Reduced unnecessary overnight location activity. (BIG-624)
• Improved GPX import removal. (BIG-645)
• The map scale bar in the Places tab now follows the card, matching the Timeline tab. (BIG-113) 1.6.0 Jul 30 • Visits without an assigned place now get their street address filled in automatically as you browse, including city and country, and become findable by city and country in search. (BIG-455)
• Set a visit's one-time title to its street address with a single tap. (BIG-227)
• Street-address titles display in a lighter style, so they read apart from places you've named yourself. (BIG-634)
• Run automatic exports on demand with new Run Now buttons in Settings, and the last-export times shown there are now accurate. (BIG-568)
• The AI assistant now handles date ranges like "last 30 days" and "since 2020" correctly, and answers questions spanning long histories more reliably. (BIG-582, BIG-564, BIG-548)
• Fixed layout and translation issues in GPX import. (BIG-630, BIG-637) 1.5.1 Jul 16 • Import GPX files. Bring routes, workouts, and old exports into your timeline: open a GPX file from the Files app or a share sheet, or use the new Import GPX File option on the timeline view. You can adjust dates and timezones before importing, existing timeline data is safely set aside when an import overlaps it, and any import can be removed again later with everything restored exactly as it was. (BIG-204)
• Background recording without the persistent location indicator. Arc no longer keeps the location indicator lit while recording in the background. (BIG-617)
• Further improvements to recording on underground trains and metros, plus a fix for out-of-order location data that could distort recorded paths. (BIG-607)
• New Export Diagnostics option on the timeline view. If a day ever looks wrong, it packages everything we need to investigate into a single file you can send us. (BIG-626)
• Arc's documents folder is now visible in the Files app (On My iPhone, Arc Timeline 4). 1.5.0 Jul 9 • See what you're up to at a glance with a new widget for your home screen and lock screen, showing your current activity and when it started. (BIG-140)
• Choose your map style in Settings, with separate styles for light and dark mode. (BIG-146)
• Add notes to timeline items more easily, and notes now save automatically when you leave the editor. (BIG-445, BIG-473)
• Fixed a crash that could occur when exporting your data. 1.4.0 Jun 25 • Fixed a UI freeze that could occur after returning to the app. (BIG-595)
• Improved the reliability of migrating your data from the original Arc Timeline app. (BIG-598, BIG-608, BIG-611) 1.3.3 Jun 20 • Fixed a case where backups on storage-constrained devices could restart from scratch instead of updating incrementally. (BIG-597)
• Fixed a rare case where recording could stop after an app update. (BIG-604)
• Added a safeguard that recovers background recording if it stalls. (BIG-596) 1.3.2 Jun 16 • Fixed an issue where a visit's start or end time, including manual corrections you'd made, could shift back after the timeline reprocessed. (BIG-408)
• Fixed false-positive duplicate-Lifetime purchase warnings for users with older one-time purchases, and added a way to dismiss the warning. (BIG-539, BIG-538)
• Fixed clipping and alignment issues in exported timeline images. (BIG-546) 1.3.1 Jun 10 • Ask about your timeline in plain language. The search field now understands natural-language questions, and a new chat view answers back in plain prose and handles follow-ups. It's opt-in, and an early foundation we'll keep building on.
• Search now includes your saved places, alongside visits, trips, and notes.
• Better recording underground. In metros, subways, and tunnels where the phone loses GPS, Arc now recognises the situation and does a better job of following your actual route instead of stalling at the station entrance. 1.3.0 Jun 6 • New Storage view in Settings — see how much space Arc Timeline 4 is using on device and in iCloud Drive, broken down by category (BIG-313)
• Cleaned up the system temp directory — iOS hasn't been reliably purging these on its end, so they were accumulating significant disk space. Affected users may recover meaningful free space on first launch
• Swedish locale now uses km for long distances instead of "mil" (Scandinavian mile) (BIG-472)
• Fixed the share button on the daily timeline staying visible when navigating into timeline sub-views 1.2.1 May 11 Export your daily timeline as an image — tap the new share button on the timeline view to save or share a PNG of your day 1.2.0 May 10 • Automatic Exports — Settings › Backup & Restore now offers daily and weekly automatic exports of your timeline data to iCloud Drive, in GPX or JSON format. Files appear at iCloud Drive › Arc Timeline › Exports › Daily/Weekly. Exports run when your phone is connected to power.
• Place search expanded to match country, city, and street address fields, in addition to place name
• Visits without an assigned place now show their street address when available, instead of "Unknown Place"
• URL scheme `arctimeline://` for launching the app from Shortcuts, automation, and other apps 1.1.0 May 4 • Fixed a rare crash
• Mapbox attribution now sits above the timeline sheet 1.0.2 Apr 27 • Improved GPS accuracy at frequently visited places with new learned Drift Profiles
• Added Google Maps link to place details for richer place info
• Fixed phantom timeline items appearing after brief app wake-ups
• Fixed false-positive "Duplicate Subscription" warnings
• Fixed onboarding occasionally re-presenting the data import page
• Fixed a crash in the calendar widget on the timeline toolbar
• Fixed a crash in visit sample pruning
• Various sleep mode and recording reliability improvements 1.0.1 Apr 23 1.0 Apr 17