# AlignerSilk vs Aliner

The clearest difference is in-app purchases: AlignerSilk at none against Aliner's 3. AlignerSilk also leads on update cadence (every 2 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

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

AlignerSilk ships an update every 2 weeks, Aliner every 3 months. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | AlignerSilk | Aliner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/alignersilk/id6760960587/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 177 MB | 16 MB |
| Requires iOS | **17.0** | 18.1 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Jack Buhler](https://appshunter.io/developer/1887041637) | [Bogdan Nikishin](https://appshunter.io/developer/1735946582) |

## What reviewers say

### AlignerSilk

[App page](https://appshunter.io/ios/app/alignersilk/id6760960587)

This app helps you stay on track with your clear aligner treatment. It provides tools for tracking wear time, managing trays, documenting progress with photos, and setting reminders to ensure a successful smile transformation.

**Highlights:** Wear time tracking with Live Activities, 14-day wear analytics and per-tray stats, Tray management and treatment timeline, Private, on-device photo journal, Customizable switch and out-of-mouth reminders, Privacy-focused, on-device data storage

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

**In-app purchases:** none


### Aliner

[App page](https://appshunter.io/ios/app/aliner-aligner-tracker/id6779657332)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aliner+ Monthly | $2.99 | per month |
| Aliner+ Yearly | $19.99 | per year |
| Aliner+ Lifetime | $34.99 | one-time |


## Frequently asked questions

### Is AlignerSilk free?

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

### Is Aliner free?

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

### Do AlignerSilk or Aliner have ads?

Neither AlignerSilk nor Aliner shows ads.

### Which is updated more often, AlignerSilk or Aliner?

AlignerSilk ships an update every 2 weeks, and Aliner every 3 months. Most recently, AlignerSilk was updated on October 10, 2026 and Aliner on October 6, 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.*