Timestamp Marker vs TimeSentry
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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”
TimeSentry
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.
- AI-driven time tracking
- Unified project view
- Effortless time capture
- Client communication integration
- On-the-go insights and billing
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AI-Native Time Tracking for Professionals TimeSentry Mobile brings your billable hours, tasks, and client communications together on one powerful, AI-driven platform. Get a unified view of every project, capture time effortlessly, and take action from anywhere. With TimeSentry now available on mobile, your intelligent time tracking assistant is always in your pocket, ready to surface insights, generate time entries, and help your team bill accurately on the go. Powerful tools. One platform. Built for the way professionals work today.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Timestamp Marker | TimeSentry |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 6 weeks | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 2 MB | 70 MB |
| Age rating | 4+ | 4+ |
| Developer | Rod Bauer | TimeSentry, Inc. |
Customer experience
Timestamp Marker
TimeSentry
In-app purchases
Timestamp Marker
No in-app purchases
TimeSentry
No in-app purchases
