# Psi Solution vs PaperFlow

The clearest difference is in-app purchases: Psi Solution at none against PaperFlow's 3. Psi Solution also leads on iOS requirement (13.3 vs 15.0). PaperFlow's advantage is update cadence (every 3 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. PaperFlow sells 3 in-app purchases, starting at $9.99 per month. Psi Solution asks for nothing beyond the download.

Psi Solution ships an update every 4 months, PaperFlow every 3 days. The most recent releases landed on October 3, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Psi Solution | PaperFlow |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 68 MB | 85 MB |
| Requires iOS | **13.3** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Davidson Brown](https://appshunter.io/developer/1370665310) | [Freedom It](https://appshunter.io/developer/6803289905) |

## 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


### PaperFlow

[App page](https://appshunter.io/ios/app/paperflow-digital-notebook/id6803289903)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PaperFlow Plus (Monthly) | $9.99 | per month |
| PaperFlow Plus (Annual) | $59.99 | per year |
| Founder Plan (lifetime) | $99.90 | one-time |


## Frequently asked questions

### Is Psi Solution free?

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

### Is PaperFlow free?

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

### Do Psi Solution or PaperFlow have ads?

Neither Psi Solution nor PaperFlow shows ads.

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

Psi Solution ships an update every 4 months, and PaperFlow every 3 days. Most recently, Psi Solution was updated on October 3, 2026 and PaperFlow on September 30, 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.*