# IMpfit vs KD

The clearest difference is update cadence: IMpfit at every 8 days against KD's every 9 months. IMpfit also leads on device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

IMpfit ships an update every 8 days, KD every 9 months. The most recent releases landed on October 28, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | IMpfit | KD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/impfit/id6748416961/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 9 months |
| Monetization | Free | — |
| Size | 168 MB | 121 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [iMpower, LLC](https://appshunter.io/developer/1825712318) | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) |

## What reviewers say

### IMpfit

[App page](https://appshunter.io/ios/app/impfit/id6748416961)

Access personalized strength training, mobility, and conditioning programs. Track workouts, nutrition, habits, and measurements with coach support. Achieve fitness goals with progress tracking and milestone badges.

**Highlights:** Personalized training plans, Workout and exercise video guidance, Nutrition and meal tracking, Habit tracking, Goal setting and progress monitoring, Real-time coach messaging, Body measurement tracking

**Features:** Apple Wallet

**In-app purchases:** none


### KD

[App page](https://appshunter.io/ios/app/kd-fit/id6754205207)

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

**In-app purchases:** none


## Frequently asked questions

### Is IMpfit free?

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

### Is KD free?

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

### Do IMpfit or KD have ads?

Neither IMpfit nor KD shows ads.

### Which is updated more often, IMpfit or KD?

IMpfit ships an update every 8 days, and KD every 9 months. Most recently, IMpfit was updated on October 28, 2026 and KD on October 7, 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.*