NotaTime vs DubFocus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NotaTime
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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/
DubFocus
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DubFocus helps you stay focused in noisy environments by making distracting speech harder to follow and masking it with a steady, immersive soundscapes. Researches on the irrelevant speech effect shows that background voices can disrupt memory, reading, and other verbal-focus tasks because speech is automatically processed by the brain, even when you are trying not to listen. Studies also suggest that intelligible speech is especially distracting in offices and study environments, while acoustic masking can reduce speech intelligibility and improve the conditions for cognitive work. Noise-cancelling headphones can make an environment feel quieter, but ANC alone does not always remove the cognitive disruption caused by residual speech. DubFocus goes further by using real-time acoustic masking: it listens to incoming sound and layers compatible masking textures over the speech patterns and frequencies that make voices easy to follow. The result is not just “less noise,” but a more predictable auditory environment where distracting voices become harder for the brain to decode, helping you stay focused while reading, writing, coding, studying, or doing deep work. DubFocus generates sound in real time from your microphone input and your device CPU. It blends input with customizable sound layers, binaural elements, and DSP effects. The result is a predictable auditory environment that helps you stay in focus, filter distractions, and remain in flow longer. Features: • Immersive low-distraction soundscapes for deep focus • Fully customizable real-time sound engine • Acoustic masking to reduce speech intelligibility • Binaural layers for the brain activation • Designed for reading, writing, coding, study, mediations For the best experience, use headphones.
Screenshots
Verdict
The clearest difference is iOS requirement: NotaTime at 16 against DubFocus's 18.0. On price, ads, in-app purchases 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. NotaTime sells 1 one-off in-app purchase and DubFocus sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | NotaTime | DubFocus |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 days | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 16 — better | 18.0 |
| Further details — not scored | ||
| Size | 3 MB | 29 MB |
| Age rating | 12+ | 4+ |
| Developer | Nice Software AS | Mikhail Mekhanov |
In-app purchases
NotaTime
- NotaTime Lifetime$9.99
DubFocus
- DubFocus Premium$14.99





