Vitals Log vs Sonlo
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Vitals Log
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Track blood pressure, blood sugar, cholesterol, and uric acid in one private health diary. Log readings, view trend charts, set medication reminders, and write health notes β no account required, all data stays on your device. Managing hypertension, diabetes, lipid issues, or gout? See daily summaries, spot patterns in charts, read health articles, and export records for doctor visits. Built for patients and families who want local, offline vital tracking. β’ Record BP, glucose, lipids, and uric acid β’ Trend charts and health reports β’ Health diary with mood and tags β’ Medication reminders and daily plans β’ Weight / BMI tracking β’ Health knowledge articles β’ Multiple family profiles β’ Export and import backup β’ Offline-first β private local storage A practical companion for monitoring the "four highs" every day.
Sonlo
Discover over 140 high-quality sounds for better sleep, focus, and relaxation. Create custom soundscapes by layering and adjusting individual sounds. Enjoy offline playback and a distraction-free design.
- 140+ high-quality sounds
- Customizable sound mixes
- Sleep timer with fade-out
- Offline playback
- Background playback
- Distraction-free design
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Sleep. Focus. Unwind. Sonlo brings together 140+ high-quality sounds designed for better sleep, deeper focus, and calmer moments. Explore white noise, brown noise, pink noise, rain, ocean waves, rivers, forests, fireplaces, fans, city ambience, animals, and more. Start with a curated mix or combine sounds to create an atmosphere that feels right for you. CREATE YOUR OWN SOUNDSCAPE Layer multiple sounds and adjust each one independently. Make the rain softer, bring the ocean closer, or add just enough brown noise to block out distractions. EVERYTHING YOU NEED β’ 140+ noise, nature, ambient, mechanical, and animal sounds β’ Curated mixes for sleep, focus, and relaxation β’ Create and save your own sound mixes β’ Adjust every sound independently β’ Control the overall volume β’ Sleep timer with optional fade-out β’ Background and lock-screen playback β’ Offline playback β’ No account required β’ Clean, distraction-free design FOR EVERY MOMENT Use Sonlo to settle down before bed, mask distracting noise, stay focused while working or studying, meditate, or simply take a quiet break. Some sounds and features require Sonlo Pro. Sonlo Pro is available as a monthly or annual auto-renewing subscription, or as a one-time lifetime purchase. Payment is charged to your Apple ID account after confirmation. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current billing period. You can manage or cancel subscriptions in your Apple ID settings. Privacy Policy: https://sonlo.app/privacy Terms of Service: https://sonlo.app/terms
Screenshots
Verdict
The clearest difference is price: Sonlo at Free against Vitals Log's $1.99. Vitals Log's advantage is iOS requirement (13.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Sonlo is free to download; Vitals Log costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Vitals Log | Sonlo |
|---|---|---|
| Price | $1.99 | Free β better |
| Positive reviews | β | 100.0% of reviews |
| Update frequency | β | Every 4 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | β | Freemium |
| Devices | iPhone, iPad, iPod β better | iPhone, iPod |
| Requires iOS | 13.0 β better | 15.0 |
| Further details β not scored | ||
| Size | 25 MB | 79 MB |
| Age rating | 4+ | 4+ |
| Developer | Xiamen City Fanyou Network Technology Co., Ltd. | δΊ θ |
In-app purchases
Vitals Log
No in-app purchases
Sonlo
No in-app purchases









