Comparison

ZenFocus vs Frequency Generator

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

Head to head
About

ZenFocus

Enhance concentration and productivity with a unique blend of binaural beats and ambient sounds. Customize your listening experience to achieve specific mental states for work, study, or relaxation.

Highlights
  • Binaural beats for focus and relaxation
  • Ambient soundscapes
  • Customizable sound mixes
  • Pre-set focus templates
  • Adjustable volume and balance
Features
Read full description

Do you find it challenging to concentrate on work or studies? Are you looking for a way to boost your productivity and creativity? Look no further than ZenFocus - the ultimate sound app designed to help you achieve a state of focused relaxation. ZenFocus combines the power of binaural beats with ambient sounds to create a unique and effective way to improve your cognitive function and achieve specific mental states. With a range of Focus Beat templates and ambient sounds to choose from, you can customize your listening experience to suit your needs and preferences. Focus Beat: The Focus Beat function in ZenFocus is a binaural beat based sound function that can help improve focus, productivity, and relaxation. Binaural beats are an auditory illusion created by playing two different tones in each ear. The difference in frequency between the two tones creates a rhythmic pattern that the brain perceives as a single tone with a specific frequency. This can lead to a phenomenon called brainwave entrainment, where the brain synchronizes its own brainwave patterns to match the frequency of the binaural beats. Focus Beat templates, each designed to target specific mental states and functions. - Concentration (Beat Frequency: 30Hz, Base Frequency: 268Hz) - Creativity (Beat Frequency: 7Hz, Base Frequency: 417Hz) - Problem Solving (Beat Frequency: 17Hz, Base Frequency: 167Hz) - Academic Journey (Beat Frequency: 13Hz, Base Frequency: 120Hz) - Reading Book (Beat Frequency: 20Hz, Base Frequency: 180Hz) - Spiritual Awakening (Beat Frequency: 40Hz, Base Frequency: 371Hz) - Deep Sleep (Beat Frequency: 4Hz, Base Frequency: 160Hz) - Decrease Anxiety (Beat Frequency: 9Hz, Base Frequency: 174Hz) In addition to Focus Beat, ZenFocus also provides a range of ambient sounds to create a calming and relaxing environment for users. - Ambient Scene: Rain All Day, Walking Forest, Sound of City, Calm Office, The Sanctuary - Ambient Event: Sining Bowl, Campfire, Insects, Waves Customization: ZenFocus offers a range of customization options, allowing users to create their own unique listening experience. You can adjust the volume and balance of focus beat and ambient sounds, and even mix and match different templates to create your own personalized sounds. Enjoy your focus journey with ZenFocus!

About

Frequency Generator

Features
Read full description

Make sound part of your daily routine. With Sona, you can fall asleep faster, focus deeper, relax easier, or meditate longer—using science-inspired binaural beats you can fully customize, layered with immersive ambient sounds. Highlights • 4 modes: Sleep, Focus, Relax, Meditate — each with curated starter presets. • Binaural beats: Pick the beat frequency (e.g., 2–40 Hz) for your goal. Best experienced with stereo headphones. • Full frequency control: Choose Alpha, Beta, Delta, Gamma, SMR (≈12–15 Hz) or type any custom value. • Ambience mixer: Rain, forest, fire, ocean, wind, pink noise, and more — blend your perfect soundscape. • Background + Lock Screen: Keep playing with the screen off and control from the Lock Screen. • Timer: Set your session length; Sona stops automatically. • Clean, distraction-free design: Create, save, and reuse your favorite sessions in seconds. Brainwave primer • Delta (~0.5–4 Hz): Deep sleep and recovery • Theta (~4–8 Hz): Creativity and deep relaxation • Alpha (~8–12 Hz): Calm wakefulness • SMR (~12–15 Hz): Smooth, steady focus • Beta (~15–30 Hz): Active thinking and energy • Gamma (~30–40 Hz): Learning and integrative attention Tips • Use stereo headphones for binaural beats. • Start at a low volume and adjust gradually. • Pick a mode for your goal; fine-tune the beat frequency in small steps. Important Sona is not a medical device and does not diagnose or treat any condition. Do not use while driving or performing tasks that require full attention. Craft your sound universe with Sona — and gently guide your mind toward what you want to feel. Auto-Renewable Subscription Terms: •⁠ ⁠The payment will be charged to your Apple ID Account at confirmation of purchase. •⁠ ⁠The subscription renews automatically unless the auto-renew is turned off at least 24 hours before the end of the current billing period. •⁠ ⁠Your account will be charged for renewal within 24 hours before the end of your selected subscription. •⁠ ⁠Your subscriptions can be managed, and auto-renewal can be turned off by going to your App Store Account Settings. Terms: https://eatkdevtermsofuse.carrd.co

Screenshots

ZenFocus4 screens
Frequency Generator4 screens

Verdict

The call

The clearest difference is ads: Frequency Generator at none against ZenFocus's shown. ZenFocus's advantage is update cadence (every 4 days vs every 3 weeks) and iOS requirement (15.6 vs 18.6). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ZenFocus sells 1 one-off in-app purchase and Frequency Generator sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

ZenFocus ships an update every 4 days, Frequency Generator every 3 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
ZenFocus versus Frequency Generator: the parameters behind the verdict, then further details
ParameterZenFocusFrequency Generator
PriceFreeFree
Rating4.9 (11 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings11 — better—
Update frequencyEvery 4 days — betterEvery 3 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 — better18.6
Further details — not scored
Size51 MB282 MB
Age rating4+4+
DeveloperKo HyunshikEmre Atik

In-app purchases

1 purchases

ZenFocus

One-time1
  • Remove your ads$4.99
2 purchases

Frequency Generator

Subscriptions2
  • 3 Days Free Trial Weekly PRO3 Days trial$3.997 Days
  • Sona Annual PRO$19.991 Year

Questions

Is ZenFocus free?
ZenFocus is free to download, with in-app purchases available.
Is Frequency Generator free?
Frequency Generator is free to download, with in-app purchases available.
Do ZenFocus or Frequency Generator have ads?
ZenFocus shows ads; Frequency Generator does not.
Which is updated more often, ZenFocus or Frequency Generator?
ZenFocus ships an update every 4 days, and Frequency Generator every 3 weeks. Most recently, ZenFocus was updated on November 3, 2026 and Frequency Generator on October 30, 2026.

Other comparisons