# Easy Time and Work Tracker vs CO2 on Watch & Lockscreen

The clearest difference is rating: Easy Time and Work Tracker at 5.0 against CO2 on Watch & Lockscreen's 1.0. Easy Time and Work Tracker also leads on in-app purchases (none vs 8) and iOS requirement (15.0 vs 17.6). CO2 on Watch & Lockscreen's advantage is update cadence (weekly vs every 3 weeks). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. CO2 on Watch & Lockscreen sells 8 in-app purchases, starting at $3.99 per month. Easy Time and Work Tracker asks for nothing beyond the download.

Easy Time and Work Tracker holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Easy Time and Work Tracker ships an update every 3 weeks, CO2 on Watch & Lockscreen weekly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Easy Time and Work Tracker | CO2 on Watch & Lockscreen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/easy-time-and-work-tracker/id6462012468/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/co2-on-watch-and-lockscreen/id6738605498/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 0 MB | 28 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Dennis Laube](https://appshunter.io/developer/1696217273) | [Kevin Floch](https://appshunter.io/developer/1772752224) |

## What reviewers say

### Easy Time and Work Tracker

[App page](https://appshunter.io/ios/app/easy-time-and-work-tracker/id6462012468)

This utility app helps service business owners and small businesses track work projects. Easily log project details, time spent, and notes. Share project information via text or email.

**Highlights:** Log project details, Track time spent, Add notes and quotes, Customize service types, Share project information, Edit and delete records

**Features:** Vision Pro support

**In-app purchases:** none


### CO2 on Watch & Lockscreen

[App page](https://appshunter.io/ios/app/co2-on-watch-and-lockscreen/id6738605498)

Monitor CO2 levels from compatible devices directly on your Apple Watch and iPhone Lock Screen. Receive smart alerts and view real-time air quality data with color-coded visuals for quick understanding.

**Highlights:** Apple Watch complications with history graph, iPhone Lock Screen widgets, Customizable CO2 threshold alerts, Background monitoring, Live Activity for real-time data, Color-coded air quality visuals

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CO2_Monthly | $3.99 | per month |
| CO2_Annually | $29.99 | per year |
| Small tip | $4.99 | one-time |
| Medium tip | $9.99 | one-time |
| Large tip | $19.99 | one-time |
| CO2_Lifetime_Upgrade2 | $24.99 | one-time |
| CO2_Lifetime | $49.99 | one-time |
| Extra large tip | $49.99 | one-time |


## Frequently asked questions

### Is Easy Time and Work Tracker free?

Easy Time and Work Tracker is free to download, with no in-app purchases.

### Is CO2 on Watch & Lockscreen free?

CO2 on Watch & Lockscreen is free to download, with in-app purchases available.

### Which has better reviews, Easy Time and Work Tracker or CO2 on Watch & Lockscreen?

Easy Time and Work Tracker is rated higher. Easy Time and Work Tracker averages 5.0 out of 5 from 1 ratings, while CO2 on Watch & Lockscreen averages 1.0 from 2 ratings.

### Do Easy Time and Work Tracker or CO2 on Watch & Lockscreen have ads?

Neither Easy Time and Work Tracker nor CO2 on Watch & Lockscreen shows ads.

### Which is updated more often, Easy Time and Work Tracker or CO2 on Watch & Lockscreen?

Easy Time and Work Tracker ships an update every 3 weeks, and CO2 on Watch & Lockscreen weekly. Most recently, Easy Time and Work Tracker was updated on October 25, 2026 and CO2 on Watch & Lockscreen on October 24, 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.*