# Killer Butt LE vs Epic90

The clearest difference is monetization model: Epic90 at free against Killer Butt LE's freemium. Epic90 also leads on rating (5.0 vs 4.7) and update cadence (every 2 months vs every 6 months). Killer Butt LE's advantage is iOS requirement (7.1 vs 15.5). On price, ratings volume, 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.

Epic90 holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

Killer Butt LE ships an update every 6 months, Epic90 every 2 months. The most recent releases landed on September 19, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Killer Butt LE | Epic90 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/killer-butt-le/id559954315/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/epic90/id1531174229/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 98.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Freemium | **Free** |
| Size | 129 MB | 159 MB |
| Requires iOS | **7.1** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [lolo](https://appshunter.io/developer/383811733) | [Epic90 LLC](https://appshunter.io/developer/1531174231) |

## What reviewers say

### Killer Butt LE

[App page](https://appshunter.io/ios/app/killer-butt-le/id559954315)

Achieve a sculpted, firm, and lifted posterior with short, daily workouts. This app offers customized routines, exercise videos, and audio guidance to help you reach your fitness goals anywhere, with or without equipment.

**Highlights:** 5-minute daily butt workouts, Customized routines for all fitness levels, Video and audio exercise guidance, Over 25 unique exercises, Workout anywhere, no equipment needed, Interactive workout adjustments, Syncs with Health app

**Features:** Vision Pro support

**In-app purchases:** none


### Epic90

[App page](https://appshunter.io/ios/app/epic90/id1531174229)

Track workouts, meals, and progress towards your fitness goals with personalized guidance from a coach. Schedule activities, monitor body measurements, and receive reminders. Connects with wearable devices for seamless data syncing.

**Highlights:** Workout and meal tracking, Progress measurement, Personalized training plans, Real-time coach messaging, Body measurement tracking, Wearable device integration, Push notification reminders

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

**In-app purchases:** none


## Frequently asked questions

### Is Killer Butt LE free?

Killer Butt LE is free to download, with no in-app purchases.

### Is Epic90 free?

Epic90 is free to download, with no in-app purchases.

### Which has better reviews, Killer Butt LE or Epic90?

Epic90 is rated higher. Killer Butt LE averages 4.7 out of 5 from 3 ratings, while Epic90 averages 5.0 from 2 ratings.

### Do Killer Butt LE or Epic90 have ads?

Neither Killer Butt LE nor Epic90 shows ads.

### Which is updated more often, Killer Butt LE or Epic90?

Killer Butt LE ships an update every 6 months, and Epic90 every 2 months. Most recently, Killer Butt LE was updated on September 19, 2026 and Epic90 on September 26, 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.*