Comparison

Stacks vs NotaTime

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Stacks

This app helps you build positive habits and break old ones by combining them into routines. Track your progress easily and sync your data across devices. It also integrates with Apple Health to monitor your well-being.

Highlights
  • Habit stacking for routine building
  • Intuitive daily habit tracking
  • Cross-device synchronization
  • Apple Health integration
  • Progress streak visualization
Read full description

Start a new habit, break an old one, and transform your daily life with Stacks. Leverage the power of habit stacking to integrate positive changes into your routine, making personal growth simpler and more achievable than ever before. ○ Habit Stacking: Combine multiple habits into routines. With Stacks, you can start with small steps and gradually build up to more complex habits. ○ Intuitive Tracking: Stay on top of your progress with easy-to-use tracking tools. Log your habits daily and watch your streaks grow as you build momentum towards your goals. ○ Sync Across Devices: Enjoy accessing your habits and routines on all your devices. With Stacks, your progress is always up-to-date. ○ Health Data: Syncs with Apple Health App, allowing you to track health metrics alongside your habits. Why Stacks? Stacks is more than just a habit tracker; it’s a comprehensive tool designed to simplify your life and help you achieve your goals. By stacking habits, you create powerful routines that seamlessly integrate into your daily life. ------------------------ - App Support: eido9oya@stacx.life

About

NotaTime

Read full description

Take control of your time with NotaTime, the clean and fast tracker built for real life. Track work, study, and focus sessions the moment they start. Launch a timer in one tap, add quick notes, and watch your day build automatically. With live widget updates and clear daily totals, you always know where your time goes. Now with Auto-Invoice Mode built for freelancers: set your default client, project, and hourly rate once, see live earnings while tracking, and export invoice-ready reports with clear billable-only totals. No clutter. No complicated setup. Just smooth, reliable tracking you’ll actually use. Why people choose NotaTime: • One-tap start and stop • Home Screen widget with live timer status • Clear daily total at a glance • Add notes to every session • Edit and organize entries anytime • Mark entries as billable or non-billable • Auto-Invoice defaults for client, project, and rate • Live earnings while timer runs • Export to PDF, Invoice, or CSV for reports • Pre-send invoice checks (empty notes, overlaps, long/short sessions) • Helpful reminders to stay consistent • iCloud sync support Whether you’re freelancing, studying, or building better habits, NotaTime makes every hour count. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Stacks4 screens
NotaTime4 screens

Verdict

The call

The clearest difference is in-app purchases: Stacks at none against NotaTime's 1. NotaTime's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. NotaTime sells 1 one-off in-app purchase. Stacks asks for nothing beyond the download.

UpkeepUpdate frequency

Stacks ships an update weekly, NotaTime every 10 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
Stacks versus NotaTime: the parameters behind the verdict, then further details
ParameterStacksNotaTime
PriceFreeFree
Rating4.0 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyWeekly — betterEvery 10 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.016 — better
Further details — not scored
Size16 MB3 MB
Age rating4+12+
DeveloperEUN SANG LEENice Software AS

In-app purchases

None

Stacks

No in-app purchases

1 purchases

NotaTime

One-time1
  • NotaTime Lifetime$9.99

Questions

Is Stacks free?
Stacks is free to download, with no in-app purchases.
Is NotaTime free?
NotaTime is free to download, with in-app purchases available.
Do Stacks or NotaTime have ads?
Neither Stacks nor NotaTime shows ads.
Which is updated more often, Stacks or NotaTime?
Stacks ships an update weekly, and NotaTime every 10 days. Most recently, Stacks was updated on November 4, 2026 and NotaTime on October 31, 2026.

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