InTrack vs Sinkstack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
InTrack
Easily monitor your daily earnings with this secure and straightforward income tracking application. Its intuitive design ensures a simple user experience, with all your financial data securely stored in your personal iCloud account.
- Daily income tracking
- Secure data storage
- Simple and understandable design
- iCloud synchronization
- Cross-device support
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InTrack - a simple income tracker Track your daily income easily with easy-to-use software focusing on security and simplicity, and an understandable design. All your data is stored on your own iCloud account. Support email: contact@applabps.com Terms of use: https://applabps.com/apps/InTrack/resources/terms/
Sinkstack
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Sinkstack turns irregular bills into a plan for every paycheck. Create a sinking fund for each bill you only see a few times a year, such as car insurance, holidays, renewals and repairs, and Sinkstack shows what to set aside from each upcoming paycheck so each one is covered by its due date. NEW IN 4.0: PAYCHECK PLAN Choose how often you are paid and one payday. Each of your next 4, 6 or 12 paychecks then lists what to set aside for every fund: • Funds with a due date spread what they still need evenly across the paydays before that date, exact to the cent. • Recurring bills start their next cycle automatically after each due date. • Funds without a due date use the contribution you planned. • Bills that land before your next payday are flagged with the amount still needed. • Enter your take-home pay (optional) to see what is left after the set-asides. • Book the next paycheck's set-asides as deposits in one step, or export the plan as CSV. ALSO NEW • Backup & Restore: one file with every fund, ledger entry, pay schedule and Payday Bridge plan. Restore checks the whole file first and saves a copy of your current data before replacing anything. • Widgets: a Next Payday countdown (you set the schedule in the widget; it never shows balances) and Quick Actions for the allocator, Paycheck Plan and Payday Bridge. • Control Center control and Siri / Shortcuts actions to open the allocator, Paycheck Plan or Payday Bridge. • A redesigned tab layout: Funds, Paychecks, Calendar, Insights and Settings. EVERYTHING ELSE YOU ALREADY HAVE • Unlimited sinking funds with goals, due dates, weekly to annual contributions, revolving funds and recurring bills that reset after each due date. • Paycheck allocator: split new money across your funds proportionally, by priority or evenly, booked as dated deposits. • Payday Bridge: put income and payments on real dates to find the lowest balance before payday and test a late payday. • Funding Calendar: 12 months of set-asides and bill dates, with busy months marked. • Insights, catch-up options for funds that fell behind, a what-if solver, PDF statements and CSV export. • 60+ templates for common irregular expenses. PRIVATE BY DESIGN No account, no bank login, no ads, no tracking. Your data stays on your device. Amounts use exact decimal math. One purchase. No subscription. Sinkstack is a planning tool. It does the arithmetic on the numbers you enter; it does not move money, connect to a bank or give financial advice. iPhone and iPad.
Screenshots
Verdict
The clearest difference is price: InTrack at Free against Sinkstack's $0.99. Sinkstack's advantage is in-app purchases (none vs 3) and update cadence (every 6 days vs every 2 months). On 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
InTrack is free to download; Sinkstack costs $0.99 up front. InTrack sells 3 in-app purchases, starting at $0.99 per month. Sinkstack asks for nothing beyond the download.
InTrack ships an update every 2 months, Sinkstack every 6 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | InTrack | Sinkstack |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.3 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 26.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 70 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Mohammed Alnabhani | Robert Corbin |
In-app purchases
InTrack
- Premium Monthly Subscription$0.991 Month
- Premium Annually Subscription$8.991 Year
- Premium Lifetime$29.99
Sinkstack
No in-app purchases









