# Timestamp Marker vs TimeSentry

The clearest difference is rating: TimeSentry at 5.0 against Timestamp Marker's 4.0. TimeSentry also leads on ratings volume (3 vs 1) and iOS requirement (15.1 vs 17.6). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TimeSentry holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Timestamp Marker ships an update every 6 weeks, TimeSentry monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Timestamp Marker | TimeSentry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/timestamp-marker/id1567343282/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/timesentry/id6740778309/reviews)** |
| Number of ratings | 1 | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 2 MB | 70 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rod Bauer](https://appshunter.io/developer/868039735) | [TimeSentry, Inc.](https://appshunter.io/developer/1791593457) |

## 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


### TimeSentry

[App page](https://appshunter.io/ios/app/timesentry/id6740778309)

This AI-powered mobile app unifies billable hours, tasks, and client communications for professionals. It offers effortless time capture and insights on the go, ensuring accurate billing for teams. Manage projects and take action from anywhere with this intelligent time tracking assistant.

**Highlights:** AI-driven time tracking, Unified project view, Effortless time capture, Client communication integration, On-the-go insights and billing

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Timestamp Marker free?

Timestamp Marker is free to download, with no in-app purchases.

### Is TimeSentry free?

TimeSentry is free to download, with no in-app purchases.

### Which has better reviews, Timestamp Marker or TimeSentry?

TimeSentry is rated higher. Timestamp Marker averages 4.0 out of 5 from 1 ratings, while TimeSentry averages 5.0 from 3 ratings.

### Do Timestamp Marker or TimeSentry have ads?

Neither Timestamp Marker nor TimeSentry shows ads.

### Which is updated more often, Timestamp Marker or TimeSentry?

Timestamp Marker ships an update every 6 weeks, and TimeSentry monthly. Most recently, Timestamp Marker was updated on November 3, 2026 and TimeSentry on October 30, 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.*