# Timestamp Marker vs Truly Simple Timeline

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.

Both are free to download. Truly Simple Timeline sells 1 one-off in-app purchase. Timestamp Marker asks for nothing beyond the download.

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.

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.

## The numbers

| Metric | Timestamp Marker | Truly Simple Timeline |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/timestamp-marker/id1567343282/reviews) | **[4.3 (4 ratings)](https://appshunter.io/ios/app/truly-simple-timeline/id6747322531/reviews)** |
| Number of ratings | 1 | **4** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 11 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 2 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Rod Bauer](https://appshunter.io/developer/868039735) | [Colin Wright](https://appshunter.io/developer/1814828139) |

## What reviewers say

### Timestamp Marker

[App page](https://appshunter.io/ios/app/timestamp-marker/id1567343282)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Truly Simple Timeline

[App page](https://appshunter.io/ios/app/truly-simple-timeline/id6747322531)

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:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro | $4.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*