# Workout Buddy vs Koi Shape

The clearest difference is price: Koi Shape at Free against Workout Buddy's $0.99. Workout Buddy's advantage is ads (none vs shown) and update cadence (daily vs monthly). On in-app purchases, device support and iOS requirement there is nothing between them.

Koi Shape is free to download; Workout Buddy costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Workout Buddy ships an update daily, Koi Shape monthly. The most recent releases landed on August 25, 2026 and July 27, 2026 respectively.

## The numbers

| Metric | Workout Buddy | Koi Shape |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/workout-buddy-day-tracker-log/id6447258743/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Monthly |
| Monetization | Paid | — |
| Best chart rank | **#198** | — |
| Size | 2 MB | 26 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Benjamin Staab](https://appshunter.io/developer/1680743368) | [QUY DIEN LE](https://appshunter.io/developer/1745588028) |

## What reviewers say

### Workout Buddy

[App page](https://appshunter.io/ios/app/workout-buddy-day-tracker-log/id6447258743)

**Currently charting:** #198 Top Paid · Health & Fitness (US App Store)

This app helps you track your fitness progress with a simple interface. Easily add, save, and manage custom workouts, using checkboxes to monitor your progress throughout the week. Focus on your fitness journey with a clutter-free design.

**Highlights:** Add and save custom workouts, Monitor progress with weekly checkboxes, Reorder and delete workouts, Clutter-free, user-friendly design, Personalized workout list

**In-app purchases:** none


### Koi Shape

[App page](https://appshunter.io/ios/app/koi-shape/id6745516636)

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

**In-app purchases:** none


## Frequently asked questions

### Is Workout Buddy free?

Workout Buddy costs $0.99, with no in-app purchases.

### Is Koi Shape free?

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

### Do Workout Buddy or Koi Shape have ads?

Koi Shape shows ads; Workout Buddy does not.

### Which is updated more often, Workout Buddy or Koi Shape?

Workout Buddy ships an update daily, and Koi Shape monthly. Most recently, Workout Buddy was updated on August 25, 2026 and Koi Shape on July 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*