# HKStepMonitor vs Twinsi

The clearest difference is update cadence: Twinsi at every 4 days against HKStepMonitor's every 21 months. Twinsi also leads on ratings volume (31 vs 2). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for HKStepMonitor against 4.9 for Twinsi. That said, the two scores are not equally well evidenced: Twinsi has 31 ratings behind it against 2, so its average is the more settled of the two.

HKStepMonitor ships an update every 21 months, Twinsi every 4 days. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | HKStepMonitor | Twinsi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/hkstepmonitor/id1641579551/reviews)** | [4.9 (31 ratings)](https://appshunter.io/ios/app/twinsi/id6753560471/reviews) |
| Number of ratings | 2 | **31** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 1 MB | 118 MB |
| Requires iOS | 16.6 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Richard Armstrong](https://appshunter.io/developer/1636926179) | [Nutmeg AI, Inc.](https://appshunter.io/developer/1843750201) |

## What reviewers say

### HKStepMonitor

[App page](https://appshunter.io/ios/app/hkstepmonitor/id1641579551)

This utility app displays daily and weekly step counts tracked by your iPhone and Apple Watch. It presents your step data in a clear graph format, making it easy to monitor your activity over the past seven days.

**Highlights:** Displays step counts from Apple HealthKit, Tracks steps from iPhone and Apple Watch, Shows daily and weekly step totals, Presents data in a graph format, Monitors activity for the past 7 days

**Features:** macOS Compatibility

**In-app purchases:** none


### Twinsi

[App page](https://appshunter.io/ios/app/twinsi/id6753560471)

This app uses a digital twin that visually reflects your exercise habits to keep you motivated and accountable. Watch your companion grow stronger with consistent activity and celebrate your progress through visual cues and rewards.

**Highlights:** Personalized digital twin, Visual progress tracking, Activity-based growth, Workout momentum building, Reward system, Habit formation support

**In-app purchases:** none


## Frequently asked questions

### Is HKStepMonitor free?

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

### Is Twinsi free?

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

### Which has better reviews, HKStepMonitor or Twinsi?

HKStepMonitor is rated higher. HKStepMonitor averages 5.0 out of 5 from 2 ratings, while Twinsi averages 4.9 from 31 ratings.

### Do HKStepMonitor or Twinsi have ads?

Neither HKStepMonitor nor Twinsi shows ads.

### Which is updated more often, HKStepMonitor or Twinsi?

HKStepMonitor ships an update every 21 months, and Twinsi every 4 days. Most recently, HKStepMonitor was updated on October 27, 2026 and Twinsi on October 30, 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.*