Crear QR vs Frequency Generator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Crear QR
Easily generate custom QR codes with adjustable precision. This tool allows for personalized code creation for various uses.
- Custom QR code creation
- Adjustable precision levels
- Personalized code generation
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Crear QR es una aplicación para la creación de código QR personalizados y con distintos niveles de precisión.
Frequency Generator
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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
Verdict
The clearest difference is price: Frequency Generator at Free against Crear QR's $0.59. Frequency Generator also leads on update cadence (every 3 weeks vs every 2 months). Crear QR's advantage is in-app purchases (none vs 2) and iOS requirement (12.0 vs 18.6). 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
Frequency Generator is free to download; Crear QR costs $0.59 up front. Frequency Generator sells 2 in-app purchases, starting at $3.99 per 7 days. Crear QR asks for nothing beyond the download.
Crear QR ships an update every 2 months, Frequency Generator every 3 weeks. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.
| Parameter | Crear QR | Frequency Generator |
|---|---|---|
| Price | $0.59 | Free — better |
| Rating | 1.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 26 MB | 282 MB |
| Age rating | 4+ | 4+ |
| Developer | Juan Camilo Marin Ochoa | Emre Atik |
In-app purchases
Crear QR
No in-app purchases
Frequency Generator
- 3 Days Free Trial Weekly PRO3 Days trial$3.997 Days
- Sona Annual PRO$19.991 Year
Questions
Is Crear QR free?
Is Frequency Generator free?
Do Crear QR or Frequency Generator have ads?
Which is updated more often, Crear QR or Frequency Generator?
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