SmartCheck® Digital Ear Scope vs Sauna Tracker & Session Log
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SmartCheck® Digital Ear Scope
Capture, save, and review eardrum recordings with a digital ear scope attachment. This app guides you in attaching the device to your phone and finding your child's eardrum for clear recordings. Share these recordings with healthcare providers for remote consultations.
- Capture eardrum recordings
- Save and review recordings
- Device attachment guide
- Eardrum Finder feature
- Share recordings with healthcare providers
- Step-by-step in-app guide
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Download the SmartCheck® app now to capture, save, and review eardrum recordings taken using the SmartCheck® Digital Ear Scope from Children’s TYLENOL®. The app will help you properly attach the device to your phone and align the device to your phone’s main camera. The free* app also has an Eardrum Finder feature that helps you find your child’s eardrum. Help ease your uncertainty with the SmartCheck® Digital Ear Scope from Children’s TYLENOL®. It works a lot like your pediatrician’s otoscope, the device used to look inside the ears. Like a traditional otoscope, SmartCheck® has multiple lenses and a built-in light that work together to create a magnified view of the eardrum. Use the SmartCheck® step-by-step in-app guide to properly align the device over your smartphone’s main camera to capture high-quality eardrum recordings. You can then share the recordings with a healthcare provider, all without leaving home. [Slide] SmartCheck® easily slides over your smartphone’s camera to turn it into a personal otoscope. [Snap] Capture a clear recording of your child’s eardrum, assisted by our patented guidance feature. [Share] Share the recording of your child’s eardrum with your doctor or a telemedicine provider to receive expert care from home. [Let’s connect] Tylenol.com/products/smartcheck-otoscope *Data and message rates may apply.
Sauna Tracker & Session Log
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PREMIUM — PURCHASE REQUIRED: All features described below are part of Pro and require a purchase: a weekly or yearly auto-renewing subscription, or a one-time lifetime purchase. WHAT YOU GET Track every sauna and temperature contrast therapy session. Record temperature in Celsius, duration in minutes, rounds, cooldown time, a perceived benefit rating from 1 to 5, and notes. Six session types: Sauna, infrared, steam room, cold plunge, ice bath, contrast therapy. Guided session timer: Protocols with guided heat → cold → rest phases. Six preset programs from beginner sauna to advanced athlete. PERFECT FOR Anyone building a sauna habit or tracking temperature contrast therapy. Whether you are starting out or optimizing performance, see your sessions accumulate over time. WHAT YOU'LL SEE Session history list (7-day view). Heat-minute trend chart. Session-type breakdown. Perceived benefit trend. Patterns by day of week. Session streak by day. Health insights cited from research (Hussain & Cohen 2018, Cleveland Clinic). Safety guidelines are built into every session. PRIVATE BY DEFAULT All data stored locally via SwiftData. Your privacy stays yours—no cloud sync, no account to create, no tracking. PREMIUM (PURCHASE REQUIRED) SaunaLog Premium unlocks complete session tracking with guided timer, insights, statistics, and subscription levels: Weekly, Yearly, or Lifetime purchase. Terms of Use: https://leanstudio.asia/terms-of-use Privacy Policy: https://leanstudio.asia/privacy-policy Support: support@leanstudio.asia
Screenshots
Verdict
The clearest difference is iOS requirement: SmartCheck® Digital Ear Scope at 13.0 against Sauna Tracker & Session Log's 17.0. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 5, 2026 and October 13, 2026 respectively.
| Parameter | SmartCheck® Digital Ear Scope | Sauna Tracker & Session Log |
|---|---|---|
| Price | Free | Free |
| Rating | 1.8 (13 ratings) — better | — |
| Positive reviews | 15.4% of reviews | — |
| Number of ratings | 13 — better | — |
| Update frequency | Every 4 months | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 236 MB | 4 MB |
| Age rating | 17+ | 4+ |
| Developer | Johnson & Johnson Consumer Inc. | LEAN ASIA CO., LTD |
In-app purchases
SmartCheck® Digital Ear Scope
No in-app purchases
Sauna Tracker & Session Log
No in-app purchases






