Navina Smart vs S.Tool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Navina Smart
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The Navina Smart app is designed to help promote compliance and informed decision making.The Navina Smart control unit records the time and duration of treatment, the balloon size, the amount of water used, and more. After each completion of treatment, the data can be transferred to Navina Smart app (via Bluetooth®) where the user is asked to answer questions about the perceived quality of the treatments. By pairing user parameters with the user’s subjective judgments and graphically displaying this, the Navina Smart app serves as a guide to help the patient and their healthcare professional find treatment patterns and settings that gives the best results.
S.Tool
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What does S.Tool offer? ・ Record bowel movements, complaints, diet and medication ・ Overview in handy graphs ・ Securely share data with your healthcare providers Privacy guaranteed – Your data is securely stored according to GDPR guidelines and used exclusively for scientific research. Please note: S.Tool does not replace medical advice. Always consult your doctor for health problems.
Screenshots
Verdict
The clearest difference is update cadence: S.Tool at every 2 months against Navina Smart's every 8 months. Navina Smart's advantage is iOS requirement (12.0 vs 15.1). 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. Neither carries in-app purchases, so what you see is what you pay.
Navina Smart ships an update every 8 months, S.Tool every 2 months. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.
| Parameter | Navina Smart | S.Tool |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 8 MB | 66 MB |
| Age rating | 17+ | 12+ |
| Developer | DENTSPLY IH AB | Katholieke Universiteit te Leuven |
In-app purchases
Navina Smart
No in-app purchases
S.Tool
No in-app purchases





