# ISNCSCI Algorithm vs Spasticity Diary

The clearest difference is update cadence: ISNCSCI Algorithm at every 3 months against Spasticity Diary's every 8 months. 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.

ISNCSCI Algorithm ships an update every 3 months, Spasticity Diary every 8 months. The most recent releases landed on September 22, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | ISNCSCI Algorithm | Spasticity Diary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 8 months |
| Size | 10 MB | 38 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Praxis Spinal Cord Institute](https://appshunter.io/developer/980028790) | [KBB Medic AS](https://appshunter.io/developer/1408661530) |

## What reviewers say

### ISNCSCI Algorithm

[App page](https://appshunter.io/ios/app/isncsci-algorithm/id6476418908)

**Features:** macOS Compatibility

**In-app purchases:** none


### Spasticity Diary

[App page](https://appshunter.io/ios/app/spasticity-diary/id6478402174)

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

**In-app purchases:** none


## Frequently asked questions

### Is ISNCSCI Algorithm free?

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

### Is Spasticity Diary free?

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

### Do ISNCSCI Algorithm or Spasticity Diary have ads?

Neither ISNCSCI Algorithm nor Spasticity Diary shows ads.

### Which is updated more often, ISNCSCI Algorithm or Spasticity Diary?

ISNCSCI Algorithm ships an update every 3 months, and Spasticity Diary every 8 months. Most recently, ISNCSCI Algorithm was updated on September 22, 2026 and Spasticity Diary 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.*