Comparison

Timestamp Marker vs How Long

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

Head to head
About

Timestamp Marker

Instantly create and edit time markers with a single tap. Add events with or without titles, and view time elapsed since your last recorded event. Calculate time differences between selected markers, including future timestamps.

Highlights
  • Instant timestamp creation
  • Editable event titles and times
  • View time since last event
  • Calculate time between markers
  • Support for future timestamps
  • Batch deletion of events
Features
Read full description

Create timestamps instantly, no need to stop and write. Add markers with a single tap, then edit anytime. • Add events with or without a title (default: “Marker”) • Edit time and title at any time, including setting future times • Main screen shows time since your most recent past event “Show Time Pass” (from markers list menu): No selection: time from now to latest past event • One selected: time between now and that event (past or future) • Two selected: time between both events Future timestamps are only included when explicitly selected. Time differences are always shown as absolute values. • Remove multiple events using “Delete Before”

About

How Long

Automatically track time spent at important locations like the gym or office using geofencing and Wi-Fi. Set weekly goals, view detailed statistics, and receive smart suggestions for new places. Enjoy battery-friendly background tracking.

Highlights
  • Automatic location time tracking
  • Geofencing and Wi-Fi detection
  • Weekly goal setting and progress tracking
  • Detailed visit statistics
  • Smart place suggestions
  • Battery-friendly background operation
  • Home screen widgets
Features
Read full description

How Long answers one question: how much time do you actually spend at the places that matter? Save your gym, office, coffee shop, or a friend's house, and How Long quietly notices when you arrive and leave. No check-ins, no timers. FOR FAMILIES, WITHOUT THE TRACKING Know when your kid gets to school, when Grandma is home again, when your partner has left the office. Share just the places that matter with the people who matter, and they'll see arrivals and departures there and nothing else. No live map, no history of everywhere someone went. One Pro purchase covers your whole family through Family Sharing. BUILT TO BE TRUSTED • Detects arrivals and departures with geofencing, Wi-Fi, and Apple's visit monitoring, then double-checks before recording anything • Always watches the places closest to you and keeps that up to date as you move • Battery friendly: no constant GPS polling SEE WHERE YOUR TIME GOES • Total hours, visit counts, average session, and streaks for every place • Charts by day, week, month, or year, switchable between places and categories • A heatmap of which hours and days you tend to be there • Year in Review and Trip Recap cards you can share GOALS AND REMINDERS • Weekly goals: specific days or a number of visits per week, with streaks • Reminders when you've been somewhere longer than you meant to • Nudges when it's been too long since your last visit ORGANIZE • Categories for anything: Home Town, Paris 2024, Clients • Notes, ratings, and photos on every place • Smart suggestions for places you visit often but haven't saved • Share places or whole categories with a link FRIENDS (optional) • Share a place with a friend and see when they arrive and leave • A widget showing where a friend is right now • Everything goes through your own iCloud account; we never see it WIDGETS • Streak and weekly progress widgets for any place • Friend status widget HOW LONG PRO (one-time purchase, Family Sharing included) • Unlimited places (3 are free) • Travel Mode: automatically saves restaurants, trails, and sights you spend time at on a trip, with a photo you took there • Hiking detection for places you wander through without stopping • Place photos, and browse your photo library by place • Smart cadence reminders • iCloud backup and CSV export • Automations: send arrivals and departures to Zapier, IFTTT, or Home Assistant PRIVACY Your places and visits are stored on your device. Backup and friend sharing are optional and use your own iCloud account. We do not collect personal information, run analytics, or sell data. How Long needs "Always" location access to detect visits while it is in the background.

Screenshots

Timestamp Marker4 screens
How Long4 screens

Verdict

The call

The clearest difference is rating: How Long at 5.0 against Timestamp Marker's 4.0. How Long also leads on update cadence (fortnightly vs every 6 weeks). Timestamp Marker's advantage is in-app purchases (none vs 4). On price, ratings volume, 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. How Long sells 4 one-off in-app purchases. Timestamp Marker asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

How Long holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

Timestamp Marker ships an update every 6 weeks, How Long fortnightly. The most recent releases landed on August 29, 2026 and September 20, 2026 respectively.

Scorecard4 real differences · 6 level
Timestamp Marker versus How Long: the parameters behind the verdict, then further details
ParameterTimestamp MarkerHow Long
PriceFreeFree
Rating4.0 (1 ratings)5.0 (2 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings12 — better
Update frequencyEvery 6 weeksFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad — betteriPhone
Requires iOS17.6 — better18.0
Further details — not scored
Size2 MB9 MB
Age rating4+12+
DeveloperRod BauerGDW Entertainment, LLC

Customer experience

Timestamp Marker

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

How Long

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Timestamp Marker

No in-app purchases

4 purchases

How Long

One-time4
  • Small Tip$0.99
  • Medium Tip$2.99
  • Large Tip$4.99
Show 1 more
  • How Long Pro$5.99

Questions

Is Timestamp Marker free?
Timestamp Marker is free to download, with no in-app purchases.
Is How Long free?
How Long is free to download, with in-app purchases available.
Which has better reviews, Timestamp Marker or How Long?
How Long is rated higher. Timestamp Marker averages 4.0 out of 5 from 1 ratings, while How Long averages 5.0 from 2 ratings.
Do Timestamp Marker or How Long have ads?
Neither Timestamp Marker nor How Long shows ads.
Which is updated more often, Timestamp Marker or How Long?
Timestamp Marker ships an update every 6 weeks, and How Long fortnightly. Most recently, Timestamp Marker was updated on August 29, 2026 and How Long on September 20, 2026.

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