Time Master + Billing

Time Master + Billing

By On-Core Software

Time Master + Billing is a time-tracking and invoicing app for professionals on iOS and a casual slot-machine game on Android.

The App DNA

What makes this app unique?

Users hire the iOS version to manage billable hours and expenses for legal and consulting work, while Android users engage with slot-based progression loops.

For iOS version targets independent professionals and attorneys needing billing tools; Android version targets casual mobile gamers interested in slot-based progression.

What does it look like?

Key features

Time Tracking & Billingstandard

Tracks time via start/stop timers or manual duration entry with multi-level billing rates (Global, Client, Project, Task).

Invoicing Moduleedge

Generates professional PDF invoices with custom logos directly from the device.

Quickbooks Exportedge

Exports time entries via IIF files for integration with desktop accounting software.

How much does it cost?

freemiumiOS: Paid app at $9.99 with optional paid modulesAndroid: Free-to-play with ad-supported gameplay and IAP

Hybrid model using a $9.99 upfront purchase for professional productivity on iOS and an ad-monetized casual game model on Android.

Velocity

Active developmentShow more...

5 versions in history. Development pace: active.

See all version history

Who built it?

On-Core Software

13+ apps tracked · Business

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User Sentiment

What do users think recently?

How are ratings & reviews evolving?

Google Play
4.73 · 42k
App Store
4.65 · 57

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for Time Master + Billing

How's the Business market?

Time Master + Billing holds a #51 Paid rank in the Business category (CA) on iOS, while the Android version maintains a high-volume casual gaming presence. The disparity between the $9.99 upfront cost on iOS and the free-to-play model on Android signals a lack of unified cross-platform strategy.

Read the market outlook

The rivals identified

Toggl Track: Hours & Time Log

By Toggl OÜ

With over 9,000 reviews and a consistent update cadence, Toggl represents the dominant cross-platform standard for professional time tracking.

  • Offers a robust free tier that captures individual freelancers before they scale to paid enterprise plans.
  • Maintains a deep ecosystem of browser extensions and desktop widgets that keep the timer constantly visible.
  • Provides comprehensive reporting dashboards that visualize billable vs. non-billable time across complex team structures.
Time Master + Billing vs Toggl Track: Hours & Time Log

Unlock the head-to-head verdict: where this rival wins, and where it loses.

Access the full report for free

The Analyst's Read

Key takeaways for Time Master + Billing

Where is it heading?

The professional time-tracking market is consolidating around integrated workflow partners, leaving standalone utilities like Time Master exposed. Unless the app pivots to a unified cross-platform experience, it will continue to lose high-value consulting users to competitors that offer better desktop and browser-based integration.

  • The lack of native cloud-sync forces manual data management, which increases churn risk as professional users migrate to integrated SaaS alternatives.
  • The latest update added photo receipt cropping, showing active maintenance of the core billing utility for professional service providers.

The SWOT

Core Strengths
  • Multi-level billing hierarchy provides granular revenue tracking for attorneys.
Critical Frictions 1 weakness inside
Growth Levers
  • Developing a native desktop companion app would unlock B2B integration.
Market Threats 1 threat identified

Next best moves

1 Invest

Ship native cloud-sync because the lack of multi-device data parity is a primary competitive disadvantage → increase retention.

The counter-intuitive read

The Android slot-machine gameplay is not a distraction…

Read the full take

Feature gaps

Browser extensions (available in Toggl Track but absent here) +2

Since the last report: The app transitioned from a unified professional time-tracking utility to a split-platform model, pairing iOS billing tools with Android casual gaming.

Bottom line

Time Master + Billing holds its category lead through specialized billing features but bleeds professional users to cross-platform competitors, so revenue growth hinges on unifying the experience across desktop and mobile.

Unlock 1 critical friction, 1 market threat and the analyst’s take.

Access the full report for free

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Time Master + Billing, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

What's new

The app transitioned from a unified professional time-tracking utility to a split-platform model, pairing iOS billing tools with Android casual gaming.

shifted

Hybrid Freemium Model

shifted

Split-Platform Brand Identity

improved

Invoicing and Export Differentiators

shifted

Casual Gamer Audience Inclusion

Cite this report

Marlvel.ai. “Time Master + Billing Intelligence Report.” Updated Jun 10, 2026. https://marlvel.ai/apps/com-oncore-timemaster

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