# SmileDiary vs AmyloidConnect

The clearest difference is in-app purchases: AmyloidConnect at none against SmileDiary's 3. SmileDiary's advantage is update cadence (every 5 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SmileDiary sells 3 in-app purchases, starting at $2.99 per month. AmyloidConnect asks for nothing beyond the download.

SmileDiary ships an update every 5 days, AmyloidConnect monthly. Both last shipped on October 28, 2026.

## The numbers

| Metric | SmileDiary | AmyloidConnect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/smilediary-aligner-tracker/id6753011249/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Monthly |
| Monetization | Freemium | — |
| Size | 12 MB | 31 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Nanjing Xiaowei Technology Co., Ltd.](https://appshunter.io/developer/1831757763) | [Verainsight Healthcare Inc.](https://appshunter.io/developer/6786047955) |

## What reviewers say

### SmileDiary

[App page](https://appshunter.io/ios/app/smilediary-aligner-tracker/id6753011249)

This app helps you track your clear aligner treatment privately and securely. It offers a smart wear timer, visual calendar, progress photos, and detailed insights into your compliance, all without collecting your personal data.

**Highlights:** Private data storage, No registration required, Smart wear timer, Visual compliance calendar, Guided progress photos, Detailed treatment insights, Data export functionality

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SmileDiary Pro Monthly | $2.99 | per month |
| SmileDiary Pro Annual | $12.99 | per year |
| SmileDiary Pro Lifetime | $29.99 | one-time |


### AmyloidConnect

[App page](https://appshunter.io/ios/app/amyloidconnect/id6786047893)

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

**In-app purchases:** none


## Frequently asked questions

### Is SmileDiary free?

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

### Is AmyloidConnect free?

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

### Do SmileDiary or AmyloidConnect have ads?

Neither SmileDiary nor AmyloidConnect shows ads.

### Which is updated more often, SmileDiary or AmyloidConnect?

SmileDiary ships an update every 5 days, and AmyloidConnect monthly. Most recently, SmileDiary was updated on October 28, 2026 and AmyloidConnect on October 28, 2026.

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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.*