Comparison

Timestamp Marker vs Truly Simple Timeline

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

Truly Simple Timeline

Build and visualize narrative arcs, story beats, and character involvement across novels or any project. Its drag-and-drop interface supports various event types and date spans, with cross-device functionality for easy planning and adjustments.

Highlights
  • Drag-and-drop interface
  • Narrative arc and story beat tracking
  • Single-date and duration events
  • BC/AD date support
  • Vertical and horizontal modes
  • Cross-device functionality
Features
Read full description

Truly Simple Timeline was built by a professional author to keep track of narrative arcs, story beats, and character moments across a novel. It’s a clean, tactile workspace where you can add events individually or in bulk, drag and drop them across centuries or hours, and adjust all your milestones whenever and however you please. Features: • Intuitive interface: Drag and drop events across hours, days, or centuries. • Flexible event types: Mix large-scale narrative arcs, single-date events, and duration periods seamlessly. • Paper-like design: Organize with a curated color palette of warm creams, slate blues, and earthy greens, paired with your own custom hues. • Reliable device sync: Your data flows effortlessly between your Mac, iPad, and iPhone, and your sync status is viewable any time. • Fully accessible: Built natively for Apple devices with full VoiceOver support, Dynamic Type, and high-contrast readability. • Share timelines: Export timelines, which can then be imported into another device running TS Timeline (where it can be viewed, edited, etc) • Pay once, keep forever: All core features are free. Unlock unlimited timelines with a single one-time, lifetime in-app purchase. No subscriptions, no ads, no hidden fees.

Screenshots

Timestamp Marker4 screens
Truly Simple Timeline3 screens

Verdict

The call

The clearest difference is review sentiment: Timestamp Marker at 100% against Truly Simple Timeline's 50%. Timestamp Marker also leads on in-app purchases (none vs 1). Truly Simple Timeline's advantage is rating (4.3 vs 4.0) and update cadence (every 11 days vs every 6 weeks). On price, ads, device support and iOS requirement 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. Truly Simple Timeline sells 1 one-off in-app purchase. Timestamp Marker asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Truly Simple Timeline holds the better App Store score, 4.3 against 4.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews complicate that: 100% of Timestamp Marker's written reviews are positive against 50% of Truly Simple Timeline's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Timestamp Marker ships an update every 6 weeks, Truly Simple Timeline every 11 days. The most recent releases landed on August 29, 2026 and September 8, 2026 respectively.

Scorecard6 real differences · 4 level
Timestamp Marker versus Truly Simple Timeline: the parameters behind the verdict, then further details
ParameterTimestamp MarkerTruly Simple Timeline
PriceFreeFree
Rating4.0 (1 ratings)4.3 (4 ratings) — better
Positive reviews100.0% of reviews — better50.0% of reviews
Number of ratings14 — better
Update frequencyEvery 6 weeksEvery 11 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS17.617.0 — better
Further details — not scored
Size2 MB2 MB
Age rating4+4+
DeveloperRod BauerColin Wright

Customer experience

Timestamp Marker

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

Truly Simple Timeline

All ratings4 ratings
Positive75.0%
Neutral25.0%
Negative0.0%
Written reviews4 reviews
Positive50.0%
Neutral25.0%
Negative25.0%

In-app purchases

None

Timestamp Marker

No in-app purchases

1 purchases

Truly Simple Timeline

One-time1
  • Unlock Pro$4.99

Questions

Is Timestamp Marker free?
Timestamp Marker is free to download, with no in-app purchases.
Is Truly Simple Timeline free?
Truly Simple Timeline is free to download, with in-app purchases available.
Which has better reviews, Timestamp Marker or Truly Simple Timeline?
Truly Simple Timeline is rated higher. Timestamp Marker averages 4.0 out of 5 from 1 ratings, while Truly Simple Timeline averages 4.3 from 4 ratings.
Do Timestamp Marker or Truly Simple Timeline have ads?
Neither Timestamp Marker nor Truly Simple Timeline shows ads.
Which is updated more often, Timestamp Marker or Truly Simple Timeline?
Timestamp Marker ships an update every 6 weeks, and Truly Simple Timeline every 11 days. Most recently, Timestamp Marker was updated on August 29, 2026 and Truly Simple Timeline on September 8, 2026.

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