# FSSD vs Holotope

The clearest difference is update cadence: Holotope at every 2 days against FSSD's every 6 months. FSSD's advantage is iOS requirement (11.0 vs 15.0). 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.

FSSD ships an update every 6 months, Holotope every 2 days. The most recent releases landed on September 11, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | FSSD | Holotope |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/holotope/id6776465951/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 days** |
| Monetization | — | Free |
| Size | 53 MB | 148 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Invincible Four Season Technology Co., Ltd.](https://appshunter.io/developer/1686851585) | [杭州全息弘运动科技有限公司](https://appshunter.io/developer/1671692183) |

## What reviewers say

### FSSD

[App page](https://appshunter.io/ios/app/fssd/id6450849738)

**Features:** macOS Compatibility

**In-app purchases:** none


### Holotope

[App page](https://appshunter.io/ios/app/holotope/id6776465951)

This app helps users manage sports devices, view workout data, and create training plans. It provides insights into exercise status and performance, including heart rate and skin temperature trends. The data is for fitness reference only and not for medical use.

**Highlights:** Device management, Workout data viewing, Training plan creation, Exercise analysis, Heart rate monitoring, Skin temperature trends

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

**In-app purchases:** none


## Frequently asked questions

### Is FSSD free?

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

### Is Holotope free?

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

### Do FSSD or Holotope have ads?

Neither FSSD nor Holotope shows ads.

### Which is updated more often, FSSD or Holotope?

FSSD ships an update every 6 months, and Holotope every 2 days. Most recently, FSSD was updated on September 11, 2026 and Holotope on September 25, 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.*