# CUDIS vs HiFuture Ring

The clearest difference is iOS requirement: HiFuture Ring at 13.0 against CUDIS's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

CUDIS ships an update every 2 weeks, HiFuture Ring every 4 weeks. The most recent releases landed on October 15, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | CUDIS | HiFuture Ring |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (54 ratings)](https://appshunter.io/ios/app/cudis/id6479181363/reviews)** | — |
| Number of ratings | **54** | — |
| Positive reviews | 87.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 weeks |
| Monetization | Free | — |
| Size | 155 MB | 113 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [BeatBit Inc.](https://appshunter.io/developer/1732859129) | [Shenzhen Future Access Technology Co., Ltd.](https://appshunter.io/developer/1699316143) |

## What reviewers say

### CUDIS

[App page](https://appshunter.io/ios/app/cudis/id6479181363)

This app connects to an AI smart ring that tracks your longevity journey. It provides insights and rewards for healthy living. The app emphasizes that it is not a medical device and users should consult healthcare professionals.

**Highlights:** Manage AI smart ring, Track longevity journey, Receive rewards, Health insights, Connects to smart ring hardware

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

**In-app purchases:** none


### HiFuture Ring

[App page](https://appshunter.io/ios/app/hifuture-ring/id6736606185)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CUDIS free?

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

### Is HiFuture Ring free?

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

### Do CUDIS or HiFuture Ring have ads?

Neither CUDIS nor HiFuture Ring shows ads.

### Which is updated more often, CUDIS or HiFuture Ring?

CUDIS ships an update every 2 weeks, and HiFuture Ring every 4 weeks. Most recently, CUDIS was updated on October 15, 2026 and HiFuture Ring 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.*