Days vs iSmileFace
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Days
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Days keeps track of the dates you are waiting for and the ones you want to remember. Add a birthday, a trip, an exam or your wedding day, and Days shows how long is left, or how long it has been, on a photo card you design yourself. PHOTO CARDS Use a photo from your library or from Unsplash, crop it, then pick a card style, a font and how dark the photo should be behind the text. TEMPLATES Ready-made events for love, family and holidays come with their own photo and style, so adding one takes a single tap. WIDGETS Put an event on your home screen or lock screen. Each widget can show one event you choose, the next upcoming event, or a different event every day. REPEATING EVENTS Birthdays and anniversaries roll over every year. Lunar New Year follows the lunar calendar. 13 LANGUAGES English, Vietnamese, Simplified and Traditional Chinese, Japanese, Korean, Thai, Indonesian, Spanish, French, German, Portuguese (Brazil) and Russian. PRO Pro is a one-time purchase with no subscription. It adds: • Reminders on the day, or 1, 3 or 7 days before • 10 more card styles, including polaroid, ticket, tear-off calendar, neon and LED clock • 8 more fonts, all with full Vietnamese support • More templates for study, travel, Vietnamese holidays and habits Everything you can do today stays free.
iSmileFace
This AI-powered app analyzes your smile in real-time, providing scores and tips to help you achieve a more confident and radiant expression. Track your progress visually and engage in gamified challenges to improve your smile.
- Real-time AI smile analysis
- Smile intensity and symmetry scoring
- Eye engagement ('smize') measurement
- Tooth reveal analysis
- Progress tracking timeline
- Gamified goals and streaks
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Unlock your most radiant expression with iSmileFace, your personal AI-powered smile coach. Whether you're preparing for a career-defining interview, a social gala, or simply want to look your best in every selfie, iSmileFace uses advanced vision technology to help you master the perfect, natural smile. Key Features: Real-time AI Analysis: Instantly measure smile intensity, symmetry, eye engagement (the "smize"), and tooth reveal. Dynamic Scoring: Get a 1-100 score for every session with actionable tips to refine your expression. Smile Journey Timeline: [New] Track your visual progress over time. View your growth through a beautiful, chronological photo history. Gamified Goals: Build daily streaks, earn points, and level up from "Smile Pro" to "Radiant Master." Privacy First: Your photos and data are processed and stored locally on your device. Your privacy is our priority. Let your smile do the talking. Start your confidence journey with iSmileFace today! Apple Official User Documentation (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Days at none against iSmileFace's 3. Days also leads on iOS requirement (16.4 vs 18.0). iSmileFace's advantage is ads (none vs shown). On price 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. iSmileFace sells 3 in-app purchases, starting at $1.99 per month. Days asks for nothing beyond the download.
| Parameter | Days | iSmileFace |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 47 months | — |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.4 — better | 18.0 |
| Further details — not scored | ||
| Size | 70 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Thua Nguyen | Naihe Hu |
In-app purchases
Days
No in-app purchases
iSmileFace
- Monthly Pro$1.991 Month
- Yearly Pro$7.991 Year
- LifeTime Pro$9.99









