# Psi Solution vs ArionSST

The clearest difference is update cadence: ArionSST at every 10 days against Psi Solution's every 4 months. Psi Solution's advantage is iOS requirement (13.3 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Psi Solution ships an update every 4 months, ArionSST every 10 days. The most recent releases landed on June 9, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Psi Solution | ArionSST |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 68 MB | 19 MB |
| Requires iOS | **13.3** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Davidson Brown](https://appshunter.io/developer/1370665310) | [Lucas Henrique Pereira](https://appshunter.io/developer/1756942446) |

## What reviewers say

### Psi Solution

[App page](https://appshunter.io/ios/app/psi-solution/id1370665311)

This app helps therapists manage their practice by handling patient registration, scheduling, secure record storage, and financial control. It offers a reliable and available service to keep therapist and patient information secure.

**Highlights:** Cloud access, WhatsApp scheduling, Online appointment booking, Appointment reminders, Document generation, Patient record management, Financial control

**Features:** macOS Compatibility

**In-app purchases:** none


### ArionSST

[App page](https://appshunter.io/ios/app/arionsst/id6535689880)

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

**In-app purchases:** none


## Frequently asked questions

### Is Psi Solution free?

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

### Is ArionSST free?

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

### Do Psi Solution or ArionSST have ads?

Neither Psi Solution nor ArionSST shows ads.

### Which is updated more often, Psi Solution or ArionSST?

Psi Solution ships an update every 4 months, and ArionSST every 10 days. Most recently, Psi Solution was updated on June 9, 2026 and ArionSST on September 11, 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.*