# Syna Fit vs Caspius

The clearest difference is update cadence: Caspius at every 3 days against Syna Fit's every 2 months. Syna Fit's advantage is iOS requirement (18.5 vs 26.0). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Syna Fit against 5.0 for Caspius. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Syna Fit ships an update every 2 months, Caspius every 3 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Syna Fit | Caspius |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/syna-fit/id6759484804/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/caspius/id6761165970/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free | Free |
| Size | 8 MB | 37 MB |
| Requires iOS | **18.5** | 26.0 |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [靖东 徐](https://appshunter.io/developer/1876466169) | [Caspius Dev](https://appshunter.io/developer/1884270440) |

## What reviewers say

### Syna Fit

[App page](https://appshunter.io/ios/app/syna-fit/id6759484804)

This app transforms your physical activities into a valuable currency. Earn points for tracking various workouts and redeem them for real-world rewards or gain insights from AI-powered training analysis. It offers seamless integration with Apple Watch and prioritizes user privacy.

**Highlights:** Earn Energy Points from 15+ workout types, Redeem points for real-world rewards, AI-powered training analysis, Apple Watch integration with Live Activities, Privacy-focused with Apple Health integration, Smart validation system for accuracy

**Features:** macOS Compatibility

**In-app purchases:** none


### Caspius

[App page](https://appshunter.io/ios/app/caspius/id6761165970)

This app lets you record everyday household tasks to help train AI for robotics. You earn points for each approved video submission, contributing to real-world research and development. Track your progress and earnings as you help teach robots how to perform common chores.

**Highlights:** Record everyday tasks, Earn points for submissions, Contribute to AI research, Track progress and earnings, Browse and pick available tasks, Leaderboard rankings

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

**In-app purchases:** none


## Frequently asked questions

### Is Syna Fit free?

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

### Is Caspius free?

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

### Which has better reviews, Syna Fit or Caspius?

Syna Fit and Caspius are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Syna Fit or Caspius have ads?

Neither Syna Fit nor Caspius shows ads.

### Which is updated more often, Syna Fit or Caspius?

Syna Fit ships an update every 2 months, and Caspius every 3 days. Most recently, Syna Fit was updated on October 31, 2026 and Caspius on October 31, 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.*