# Parisi vs Ultimateinstability

The clearest difference is rating: Ultimateinstability at 4.6 against Parisi's 3.0. Ultimateinstability also leads on ratings volume (9 vs 3). Parisi's advantage is review sentiment (25% vs 0%) and update cadence (monthly vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Ultimateinstability holds the better App Store score, 4.6 against 3.0. Both are backed by a comparable volume of ratings — 3 and 9 respectively. Written reviews complicate that: 25% of Parisi's written reviews are positive against 0% of Ultimateinstability's, so the app with the better star average is not the one people write more warmly about.

Parisi ships an update monthly, Ultimateinstability every 2 months. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Parisi | Ultimateinstability |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (3 ratings)](https://appshunter.io/ios/app/parisi/id963537363/reviews) | **[4.6 (9 ratings)](https://appshunter.io/ios/app/ultimateinstability/id1398788985/reviews)** |
| Number of ratings | 3 | **9** |
| Positive reviews | **25.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 23 MB | 210 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Box Command LLC](https://appshunter.io/developer/963537362) | [Ultimateinstability B.V.](https://appshunter.io/developer/1398788984) |

## What reviewers say

### Parisi

[App page](https://appshunter.io/ios/app/parisi/id963537363)

This official app connects Parisi Speed School members to their accounts. It provides access to school locations and information. A registration and membership are required to use the app.

**Highlights:** Official Parisi Speed School app, Member account access, Find nearby school locations, Information hub

**Features:** macOS Compatibility

**In-app purchases:** none


### Ultimateinstability

[App page](https://appshunter.io/ios/app/ultimateinstability/id1398788985)

Access over 2000 animated exercises and pre-built workout programs using specialized equipment. Connect with a community of professionals and sync your workouts with Apple Health.

**Highlights:** 180+ animated exercises, 2000+ 3D animated exercises, Pre-built workout programs, UI-community for professionals, Sync with Apple Health App

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Parisi free?

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

### Is Ultimateinstability free?

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

### Which has better reviews, Parisi or Ultimateinstability?

Ultimateinstability is rated higher. Parisi averages 3.0 out of 5 from 3 ratings, while Ultimateinstability averages 4.6 from 9 ratings.

### Do Parisi or Ultimateinstability have ads?

Neither Parisi nor Ultimateinstability shows ads.

### Which is updated more often, Parisi or Ultimateinstability?

Parisi ships an update monthly, and Ultimateinstability every 2 months. Most recently, Parisi was updated on October 7, 2026 and Ultimateinstability on September 29, 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.*