# OPTIfit. vs Da Rings

The clearest difference is update cadence: Da Rings at every 3 weeks against OPTIfit.'s every 5 months. Da Rings also leads on chart position (#203 vs unranked) and iOS requirement (13.0 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.

OPTIfit. ships an update every 5 months, Da Rings every 3 weeks. The most recent releases landed on September 15, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | OPTIfit. | Da Rings |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.6 (165 ratings)](https://appshunter.io/ios/app/da-rings/id6443980625/reviews)** |
| Number of ratings | — | **165** |
| Positive reviews | — | 20.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | — | Free |
| Best chart rank | — | **#203** |
| Size | 174 MB | 85 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [OPTIfit Fitnessclub GbR](https://appshunter.io/developer/1582456382) | [MO YOUNG LIMITED](https://appshunter.io/developer/1593135244) |

## What reviewers say

### OPTIfit.

[App page](https://appshunter.io/ios/app/optifit/id1582456380)

**Features:** macOS Compatibility, Apple Wallet, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Da Rings

[App page](https://appshunter.io/ios/app/da-rings/id6443980625)

**Currently charting:** #203 Top Free · Health & Fitness (US App Store)

This app offers detailed motion recording, sleep tracking, and exercise analysis. It encourages a healthy lifestyle by connecting with smart devices and sharing data with Apple Health.

**Highlights:** Motion recording, Sleep tracking, Exercise analysis, Smart device connection, Apple Health integration, Personal reminders

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

**In-app purchases:** none


## Frequently asked questions

### Is OPTIfit. free?

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

### Is Da Rings free?

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

### Do OPTIfit. or Da Rings have ads?

Neither OPTIfit. nor Da Rings shows ads.

### Which is updated more often, OPTIfit. or Da Rings?

OPTIfit. ships an update every 5 months, and Da Rings every 3 weeks. Most recently, OPTIfit. was updated on September 15, 2026 and Da Rings on September 22, 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.*