# Aligner STEPS vs Sopu

The clearest difference is in-app purchases: Aligner STEPS at none against Sopu's 3. Aligner STEPS also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.1). Sopu's advantage is update cadence (every 9 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Sopu sells 3 in-app purchases, starting at $4.99 per 7 days. Aligner STEPS asks for nothing beyond the download.

Aligner STEPS ships an update every 2 months, Sopu every 9 days. Both last shipped on October 4, 2026.

## The numbers

| Metric | Aligner STEPS | Sopu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aligner-steps/id6736371305/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 41 MB | 75 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ALISTIQAMAH ALMUTAKAMILAH LITIJARAT WISINAET ALMOSTALZAMAT ALTEBIYAH WALJIRAHIYA LLC](https://appshunter.io/developer/1771687210) | [ELMO OSKARI SAUKKO](https://appshunter.io/developer/1773725956) |

## What reviewers say

### Aligner STEPS

[App page](https://appshunter.io/ios/app/aligner-steps/id6736371305)

This app helps users track their clear aligner treatment progress. It allows patients to monitor aligner wear time, set reminders, and take progress photos. Doctors can also view patient adherence to treatment plans.

**Highlights:** Track aligner wear time, Set custom wear reminders, Pause counter for breaks, Take progress selfies, Doctor patient management, View patient treatment calendar

**Features:** macOS Compatibility

**In-app purchases:** none


### Sopu

[App page](https://appshunter.io/ios/app/sopu-minimalist-declutter/id6757625747)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per 7 days |
| Premium | $9.99 | per month |
| Premium | $59.99 | per year |


## Frequently asked questions

### Is Aligner STEPS free?

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

### Is Sopu free?

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

### Do Aligner STEPS or Sopu have ads?

Sopu shows ads; Aligner STEPS does not.

### Which is updated more often, Aligner STEPS or Sopu?

Aligner STEPS ships an update every 2 months, and Sopu every 9 days. Most recently, Aligner STEPS was updated on October 4, 2026 and Sopu on October 4, 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.*