# Caesium — Effortless time-tracking

> Effortless time-tracking for workers, clerks, and freelancers. (iPhone/iPad app by Sebastian Staudt.)

- Source: https://appshunter.io/ios/app/caesium/id1490072981 (this page in markdown: same URL + `.md`)
- Developer: [Sebastian Staudt](https://appshunter.io/developer/539259111)
- Category: Productivity, Business
- Price: $2.99
- Rating: 3.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 12+
- Requires: iOS 16.0 · 3 MB
- Languages: American English
- Released: 2020-07-04
- Data updated: 2026-08-21
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/caesium/id1490072981/reviews.md

## What is Caesium?

Caesium is simple and effortless time-tracking for workers, clerks and freelancers.

Features:

 • Real-time or retrospective time-tracking
 • Statistics and history
 • Reminders to finish active tasks
 • iCloud synchronization
 • Import from and export to CSV files
 • Optional authentication with FaceID / TouchID
 • Full features without in-app purchases or subscriptions

## Key features

- Real-time or retrospective time-tracking
- Statistics and history
- Task reminders
- iCloud synchronization
- CSV import/export
- FaceID/TouchID authentication

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/caesium/id1490072981/reviews.md

### 3/5 — Crashes can’t use

*2025-01-12*

I want it to work but just freezes trying to enter my first project. Freezes on the +add a client screen. Are you still doing updates?

**Developer response:** Thanks for your report. I‘ll check this.

As a workaround you may be able to create clients and projects in the Organize view (box icon on the right).

## Frequently asked questions about Caesium

### What is the price of Caesium?

Caesium is a paid app, priced at $2.99. This one-time purchase grants access to all features without any additional in-app purchases or subscriptions.

### Does Caesium have ads?

No, Caesium is ad-free. The app provides its full functionality without any advertisements, ensuring an uninterrupted user experience.

### What devices does Caesium support?

Caesium is available for both iPhone and iPad, allowing users to track their time across their Apple mobile devices.

### How often is Caesium updated?

The latest version of Caesium is 1.5.2, last updated on October 31, 2025. This indicates a commitment to ongoing development and improvements.

### What is the age rating for Caesium?

Caesium has an age rating of 12+, suggesting it is suitable for users aged 12 and above.

### Can I sync my time data with Caesium?

Yes, Caesium offers iCloud synchronization, allowing you to seamlessly sync your time-tracking data across your devices.

### Does Caesium allow data export?

Yes, Caesium supports importing from and exporting to CSV files, making it easy to manage and analyze your time-tracking data externally.

### What do users think of Caesium?

Caesium has a rating of 3.0 stars from 1 rating. This indicates a mixed reception, and further user feedback would be beneficial to understand specific user sentiment.

## Version history (last 5 releases)

### 1.5.2 — 2025-10-31

• Ready for iOS 26
 • Various minor improvements

### 1.5.1 — 2025-01-29

• Fix potential freeze while creating clients
 • Improve handling of tasks during day change
 • Various design improvements
 • Various other improvements

### 1.5.0 — 2024-12-04

• Improve error handling during import
 • Various design improvements
 • Fix crashes when running on macOS
 • Various other improvements

### 1.4.2 — 2024-09-24

• Long press on forward arrow in stats will now immediately move to
   current week
 • Fix calendar not updating correctly, causing long presses not working
 • Fix project ordering being incorrect in rare cases

### 1.4.1 — 2024-04-16

• Improved Live Activity widgets
• Various other improvements

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## More apps by Sebastian Staudt

- [Suitcase](https://appshunter.io/ios/app/suitcase/id539259008)
- [Shire Calendar](https://appshunter.io/ios/app/shire-calendar/id913121849)

All apps by Sebastian Staudt: https://appshunter.io/developer/539259111

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-21.*