# ATracker PRO Time Tracker vs SENSORCheck for VIEWER

The clearest difference is price: SENSORCheck for VIEWER at Free against ATracker PRO Time Tracker's $4.99. SENSORCheck for VIEWER also leads on in-app purchases (none vs 2) and rating (5.0 vs 4.7). ATracker PRO Time Tracker's advantage is ratings volume (720 vs 1) and update cadence (every 2 weeks vs monthly). On ads and device support there is nothing between them.

SENSORCheck for VIEWER is free to download; ATracker PRO Time Tracker costs $4.99 up front. ATracker PRO Time Tracker sells 2 in-app purchases, starting at $2.99 per month. SENSORCheck for VIEWER asks for nothing beyond the download.

SENSORCheck for VIEWER holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: ATracker PRO Time Tracker has 720 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 89% of ATracker PRO Time Tracker's written reviews are positive against 100% of SENSORCheck for VIEWER's.

ATracker PRO Time Tracker ships an update every 2 weeks, SENSORCheck for VIEWER monthly. The most recent releases landed on September 24, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | ATracker PRO Time Tracker | SENSORCheck for VIEWER |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.7 (720 ratings)](https://appshunter.io/ios/app/atracker-pro-time-tracker/id519561306/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sensorcheck-for-viewer/id1146161843/reviews)** |
| Number of ratings | **720** | 1 |
| Positive reviews | 89.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 113 MB | 9 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WonderApps AB](https://appshunter.io/developer/519561369) | [SENSOR CHECK LLC](https://appshunter.io/developer/1146158249) |

## What reviewers say

### ATracker PRO Time Tracker

[App page](https://appshunter.io/ios/app/atracker-pro-time-tracker/id519561306)

This app helps you manage your time effectively by tracking daily tasks, habits, and goals. It offers a simple interface for one-tap time tracking, detailed statistics, and customizable features to boost productivity and self-improvement.

**Highlights:** One-tap start/stop time tracking, Customizable UI with icons and color coding, Detailed statistics with bar and pie charts, Activity log with editing capabilities, Task categorization with tags, Data export (PDF/CSV in PRO), Cross-device sync (with web subscription)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Web portal subscription | $2.99 | per month |
| Web portal subscription | $26.99 | per year |

**What reviewers like**

- 👍 Straightforward interface
- 👍 Simple and easy to use
- 👍 Convenient features
- 👍 Helpful for time management
- 👍 Customizable and flexible

**What reviewers complain about**

- 🐛 Sync issues between devices
- 🐛 Bugs and glitches in recent updates
- 🔒 Lack of iCloud sync support
- 🔒 Reliance on Dropbox for sync
- 🔋 High battery consumption on Apple Watch

**Reported bugs**

- Sync issues between devices
- Bugs in recent updates
- Apple Watch Siri integration not working
- Home screen widget not functioning properly

**Requested features**

- Expand goal tracking capabilities
- Improve exporting options and flexibility
- Add iCloud sync support
- Enhance Apple Watch integration
- Provide more customization options


### SENSORCheck for VIEWER

[App page](https://appshunter.io/ios/app/sensorcheck-for-viewer/id1146161843)

This application allows registered business customers to monitor temperature sensors in their environment. It provides a simple interface for viewing real-time data from these sensors.

**Highlights:** View temperature sensor data, Real-time monitoring, For registered SENSORCheck customers, Environmental monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ATracker PRO Time Tracker free?

ATracker PRO Time Tracker costs $4.99, and also offers in-app purchases.

### Is SENSORCheck for VIEWER free?

SENSORCheck for VIEWER is free to download, with no in-app purchases.

### Which has better reviews, ATracker PRO Time Tracker or SENSORCheck for VIEWER?

SENSORCheck for VIEWER is rated higher. ATracker PRO Time Tracker averages 4.7 out of 5 from 720 ratings, while SENSORCheck for VIEWER averages 5.0 from 1 ratings.

### Do ATracker PRO Time Tracker or SENSORCheck for VIEWER have ads?

Neither ATracker PRO Time Tracker nor SENSORCheck for VIEWER shows ads.

### Which is updated more often, ATracker PRO Time Tracker or SENSORCheck for VIEWER?

ATracker PRO Time Tracker ships an update every 2 weeks, and SENSORCheck for VIEWER monthly. Most recently, ATracker PRO Time Tracker was updated on September 24, 2026 and SENSORCheck for VIEWER on June 1, 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.*