# Days vs iSmileFace

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.

Both are free to download. iSmileFace sells 3 in-app purchases, starting at $1.99 per month. Days asks for nothing beyond the download.

## The numbers

| Metric | Days | iSmileFace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ismileface/id6758226158/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 47 months | — |
| Monetization | — | Free with in-app purchases |
| Size | 70 MB | 5 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Thua Nguyen](https://appshunter.io/developer/1466012074) | [Naihe Hu](https://appshunter.io/developer/564180065) |

## What reviewers say

### Days

[App page](https://appshunter.io/ios/app/days-events-countdown/id6444895869)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### iSmileFace

[App page](https://appshunter.io/ios/app/ismileface/id6758226158)

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.

**Highlights:** Real-time AI smile analysis, Smile intensity and symmetry scoring, Eye engagement ('smize') measurement, Tooth reveal analysis, Progress tracking timeline, Gamified goals and streaks

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $1.99 | per month |
| Yearly Pro | $7.99 | per year |
| LifeTime Pro | $9.99 | one-time |


## Frequently asked questions

### Is Days free?

Days is free to download, with no in-app purchases.

### Is iSmileFace free?

iSmileFace is free to download, with in-app purchases available.

### Do Days or iSmileFace have ads?

Days shows ads; iSmileFace does not.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*