# My DuIN vs Mi CDO

My DuIN and Mi CDO are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 3, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | My DuIN | Mi CDO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/my-duin/id1578864033/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 88.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 173 MB | 148 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Duet Spa & Sports, SL](https://appshunter.io/developer/1516601322) | [BPXport](https://appshunter.io/developer/1459267034) |

## What reviewers say

### My DuIN

[App page](https://appshunter.io/ios/app/my-duin/id1578864033)

Monitor workouts, track progress, and achieve fitness goals with personalized plans and engaging challenges. Seamlessly record gym sessions or manual entries, and book classes to stay motivated.

**Highlights:** Workout tracking, Personalized training plans, Activity level monitoring, Fun challenges with rewards, Class scheduling and booking, HealthKit integration

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

**In-app purchases:** none


### Mi CDO

[App page](https://appshunter.io/ios/app/mi-cdo/id1671159749)

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

**In-app purchases:** none


## Frequently asked questions

### Is My DuIN free?

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

### Is Mi CDO free?

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

### Do My DuIN or Mi CDO have ads?

Neither My DuIN nor Mi CDO shows ads.

### Which is updated more often, My DuIN or Mi CDO?

My DuIN ships an update every 2 months, and Mi CDO every 2 months. Most recently, My DuIN was updated on November 3, 2026 and Mi CDO on September 9, 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.*