ZeroTime® vs CS Time
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZeroTime®
Track your billable hours on your phone and automatically generate draft invoices within your Xero account. Streamline your invoicing process with features like iCloud sync, widgets, and calendar integration for efficient time management.
- Time tracking for Xero contacts
- Automatic draft invoice creation in Xero
- iCloud sync
- Summary widget
- iCloud calendar integration
- Offline task management
- Customizable billing rates and tax options
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ZeroTime allows track your time for your Xero contacts on your phone, then uses this to create draft invoices in Xero. A simple click of Approve and Send in Xero and your invoicing is complete. ZeroTime is the ideal solution for the individual who needs to invoice their time to clients. With iCloud sync, a summary widget and iCloud calendar integration, useful information is always at hand. ZeroTime is fully integrated with Xero. Your contacts, accounts and payment terms are used direct from Xero, and a draft invoice of the tasks in ZeroTime is created in Xero. Data is sent direct from your phone to your Xero account. No third party data duplication or accounts. Just your phone, ZeroTime and Xero. *** Requires an existing Xero account with contacts defined. *** Features include: - iCloud sync - Widget with summary of hours per client - iCloud calendar integration - Set default invoice terms - Uses contact invoice terms where configured in Xero - Set default and individual contact time rounding - Saves the billing rate per contact - Configure projects for contacts, and individual billing rates for projects - Create Authority To Bill emails for select contacts to pre-approve invoices - Export all previous times with invoice numbers to email - Invoices can be created Exclusive, Inclusive, or with No Tax - Contacts can be limited to a Contact Group - Tasks can be managed offline (connection required for invoicing) ZeroTime is a Xero Add-on Partner. ZeroTime is a registered trademark of smudge.io Pty Ltd. Terms of Use: http://zerotime.io/terms/ Privacy Policy: https://smudge.io/privacy/
CS Time
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Connected Services is the premier technology-enabled service provider for property owners and managers to procure, manage, and maintain their real estate assets by implementing a data-driven transparent approach that delivers on-demand, scheduled facility services, and supply procurement to reduce overall costs while significantly improving asset performance and value
Screenshots
Verdict
The clearest difference is in-app purchases: CS Time at none against ZeroTime®'s 5. CS Time also leads on iOS requirement (13.0 vs 17.6). ZeroTime®'s advantage is update cadence (every 2 months vs every 3 months). On price, ads and device support 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. ZeroTime® sells 5 in-app purchases, starting at $4.99 per month. CS Time asks for nothing beyond the download.
ZeroTime® ships an update every 2 months, CS Time every 3 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | ZeroTime® | CS Time |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (2 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | smudge.io PTY LTD | Connected Ventures LLC |
In-app purchases
ZeroTime®
- Monthly Subscription7 Days trial$4.991 Month
- Yearly Subscription1 Month trial$49.991 Year
- 10 Invoice Credits$2.99
- 50 Invoice Credits$5.99
- 100 Invoice Credits$9.99
CS Time
No in-app purchases









