HiFast Ab Machine and Rowing Machine, 4 in 1 Rowing vs Sunny Health & Fitness Smart Compact Full Motion
Updated August 2026 — Sunny Health & Fitness Smart Compact Full Motion leads on app integration and durability.
The Ab Machine offers versatility at a lower price, while the Sunny model provides a more advanced rowing experience with extensive features.
Why HiFast Ab Machine and Rowing Machine, 4 in 1 Rowing is better
Price
Ab Machine is significantly cheaper at $79.99.
Versatility
Offers 4-in-1 functionality for various workouts.
Compact
Foldable design for easy storage.
Why Sunny Health & Fitness Smart Compact Full Motion is better
Weight Capacity
Supports up to 350 lbs, accommodating more users.
Resistance Levels
Offers 12 levels of resistance for customizable workouts.
App Connectivity
Includes free access to the SunnyFit app with extensive features.
Overall score
Specifications
| Spec | HiFast Ab Machine and Rowing Machine, 4 in 1 Rowing | Sunny Health & Fitness Smart Compact Full Motion |
|---|---|---|
| Monitor | LCD | Digital |
| App Support | No | Yes |
| Build Quality | Steel | Steel |
| Comfort | Ergonomic | Water Simulation |
| Training Modes | 4-in-1 | Full Motion |
Dimension comparison
Overview of Products
The Ab Machine and Rowing Machine is priced at $79.99, making it about 60% cheaper than the Sunny Health & Fitness Smart Compact Full Motion Rowing Machine, which retails for $199.99. Both machines serve as effective fitness solutions for home workouts but cater to different preferences and needs. The Ab Machine focuses on versatility with its 4-in-1 functionality, while the Sunny Health & Fitness model emphasizes a realistic rowing experience and extensive app connectivity.
Design and Build Quality
The Ab Machine and Rowing Machine features a heavy-duty steel triangular base, providing stability and support for users up to 260 lbs. In contrast, the Sunny Health & Fitness Smart Compact Full Motion Rowing Machine can accommodate users up to 350 lbs, indicating a more robust design intended for a broader range of body types. The compact design of the Sunny model is ideal for smaller spaces, while the Ab Machine's foldable feature also makes it convenient for home use.
Workout Versatility
The Ab Machine and Rowing Machine offers a 4-in-1 experience that combines rowing, ab training, general fitness, and inverted rowing. This versatility allows users to switch between different workout modes seamlessly. On the other hand, the Sunny Health & Fitness model boasts full motion capabilities that activate multiple muscle groups through its 360-degree arm movement, providing a realistic rowing simulation. This makes it an excellent choice for those who prefer a comprehensive rowing workout.
Resistance Levels
Resistance levels significantly impact workout intensity, and both machines offer different options. The Ab Machine and Rowing Machine provides three levels of workout resistance, which may be limiting for users seeking a more challenging experience. In contrast, the Sunny Health & Fitness Smart Compact model offers 12 levels of adjustable resistance, allowing for a customizable workout that can be tailored to varying fitness levels. This feature makes the Sunny model more suitable for users looking to progressively increase their workout intensity.
Technology and Tracking
In terms of technology, the Ab Machine is equipped with an LCD monitor that tracks essential workout metrics such as distance, time, and calories burned. However, it lacks advanced connectivity features. Conversely, the Sunny Health & Fitness model includes free access to the SunnyFit app, which offers over 1,000 trainer-led workouts and 10,000 virtual scenic tours. The digital monitor on the Sunny machine tracks stroke rate, time, count, and calories, providing a more comprehensive overview of workout performance.
Comfort and Ergonomics
Comfort during workouts is crucial for maintaining motivation and effectiveness. The Ab Machine features an upgraded ergonomic seat cushion designed for comfort during both rowing and ab exercises. It also includes adjustable foot straps to secure the user's feet in place. The Sunny Health & Fitness rowing machine, while also featuring a digital monitor and comfortable design, focuses on creating a rowing experience that mimics water, potentially offering a more engaging workout. Ultimately, both machines prioritize user comfort, but they approach it differently.
Price Comparison
The Ab Machine and Rowing Machine is currently priced at $79.99, making it a budget-friendly option compared to the Sunny Health & Fitness machine, which costs $199.99. This pricing difference reflects the additional features and capabilities offered by the Sunny model, such as its app connectivity and higher weight capacity. For budget-conscious buyers, the Ab Machine is about 60% less expensive, while those seeking a more advanced fitness experience may find the higher price of the Sunny model justifiable.
Which should you buy?
Choosing between the Ab Machine and Rowing Machine and the Sunny Health & Fitness Smart Compact Full Motion Rowing Machine ultimately depends on your fitness goals and budget. If you're looking for a versatile and affordable option that combines multiple workout modes, the Ab Machine may be the right choice for you. However, if you prefer a more realistic rowing experience with extensive app support and customizable resistance, the Sunny Health & Fitness model could be worth the investment. Each machine has unique strengths, so your decision should reflect your personal fitness priorities.

