Denjoy Endo vs Instant Smiles
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Denjoy Endo
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The product has obtained the registration certificate of the People's Republic of China for medical devices. The use of the product should be strictly in accordance with the personnel and scenarios specified in the product manual. If the application is not restricted to personnel in the manual, please seek the advice of the local doctor before making any medical decisions.
Instant Smiles
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Instant Smiles – AI-Powered Digital Smile Design Instant Smiles is an advanced Artificial Intelligence–based tool designed exclusively for dental professionals to enhance chairside consultations and create realistic digital smile simulations—quickly, intuitively, and clinically. The app features a comprehensive library of natural-looking smile templates, carefully designed to suit a wide range of tooth shapes, sizes, and facial proportions, ensuring accurate and patient-specific results. With Instant Smiles, dentists can easily customize every aspect of a smile design, including: - Tooth proportions - Buccal corridor space - Curve of Spee - Tooth shade and overall smile harmony All adjustments are intuitive, precise, and clinically relevant—without unnecessary or complex tools. What truly sets Instant Smiles apart is its ultra-fast workflow. From uploading a patient photograph, you can generate a high-quality smile simulation in under a minute, and even convert a single image into a realistic video smile simulation in under 30 seconds. This makes Instant Smiles ideal for both chairside consultations and virtual appointments. Designs can be saved or shared instantly, helping patients better visualize treatment outcomes and actively participate in the decision-making process. Instant Smiles is a clinically oriented app, purpose-built to deliver the fastest and easiest digital smile design experience for dental practitioners. Data Privacy & Security All patient data remains 100% secure on your local device. No cloud uploads. No web storage. Complete control and confidentiality. Experience the future of digital smile design with Instant Smiles—and elevate your practice with speed, precision, and confidence.
Screenshots
Verdict
The clearest difference is update cadence: Denjoy Endo at every 3 weeks against Instant Smiles's every 2 months. Denjoy Endo also leads on device support (3 vs 1) and iOS requirement (11.0 vs 14.0). On price, 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.
Denjoy Endo ships an update every 3 weeks, Instant Smiles every 2 months. The most recent releases landed on October 27, 2026 and November 4, 2026 respectively.
| Parameter | Denjoy Endo | Instant Smiles |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 11.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 77 MB | 361 MB |
| Age rating | 17+ | 12+ |
| Developer | DENJOY DENTAL CO.,LTD | Dental Treatment Simulation |
In-app purchases
Denjoy Endo
No in-app purchases
Instant Smiles
No in-app purchases









