mifold New Mifold Comfort Grab vs Safety 1st Grow and Go Flex 8-in-1 Car Seat
Updated August 2026 — mifold New Mifold Comfort Grab wins on capacity and weight, Safety 1st Grow and Go Flex 8-in-1 Car Seat wins on length and width.
The Mifold is a more affordable and portable option for older children, while the Safety 1st offers versatility and comfort for infants. Choose based on your child's age and your travel needs.
Why mifold New Mifold Comfort Grab is better
Price
Mifold is significantly cheaper at $74.99.
Portability
Mifold fits easily into backpacks and glove boxes.
Setup
Mifold requires no installation, making it quick to use.
Why Safety 1st Grow and Go Flex 8-in-1 Car Seat is better
Versatility
Safety 1st offers 8 configurations for different stages.
Comfort
Safety 1st has cozy knit cushions for infants.
Storage
Safety 1st includes extra-large storage and trays.
Overall score
Specifications
| Spec | mifold New Mifold Comfort Grab | Safety 1st Grow and Go Flex 8-in-1 Car Seat |
|---|---|---|
| Target Age | 4+ | 0-50 lbs |
| Installation | No | Yes |
| Safety Standards | Yes | Yes |
| Cushioning | Yes | Yes |
| Sales Rank | 2814 | 6955 |
Dimension comparison
Overview of the Products
The New Mifold Comfort Grab-and-go Car Backless Booster Seat is priced at $74.99, while the Safety 1st Grow and Go Flex 8-in-1 Car Seat Stroller Combo is available for $284.99. This makes the Mifold about 74% cheaper than the Safety 1st option. Both products serve different purposes in the realm of child transportation, with the Mifold focusing on portability and ease of use, while the Safety 1st combo offers versatility and multiple configurations for various stages of a child's growth.
Target Age and Weight Range
The New Mifold Comfort Grab-and-go Car Backless Booster Seat is designed for children aged 4 years and older, weighing between 40 to 100 lbs. In contrast, the Safety 1st Grow and Go Flex supports infants from 4 to 30 lbs and accommodates toddlers up to 50 lbs. This makes the Mifold suitable for older children, while the Safety 1st is ideal for newborns and younger infants. The broader age range of the Safety 1st product provides a comprehensive solution for parents needing a car seat from the very beginning of their child's life.
Portability and Convenience
The Mifold booster seat is highly portable, fitting easily into backpacks or glove boxes, making it an excellent choice for carpooling or travel. Its compact design means it can be set up quickly without installation, which is beneficial for parents on-the-go. On the other hand, the Safety 1st Grow and Go Flex, while versatile, is a larger unit that may not be as travel-friendly. It offers eight different configurations and features a folding design, but its bulkier size could pose challenges for parents looking for a quick and portable option.
Comfort Features
For comfort, the New Mifold includes a cushioned “Compact Comfort” seat cushion, enhancing the overall riding experience on longer trips. It also has an updated shell for better support and anti-slip pads to keep the seat secure. Meanwhile, the Safety 1st Grow and Go Flex emphasizes comfort with cozy knit cushions for head and torso support, ensuring a comfortable fit for infants. Both products prioritize comfort, but the specific features cater to different age groups and needs, with the Mifold designed for older children and the Safety 1st for infants.
Safety Standards
Safety is a critical factor in choosing child transportation products. The Safety 1st Grow and Go Flex meets or exceeds federal safety standards, providing peace of mind to parents. The Mifold also emphasizes safety by ensuring optimal seat belt fit through its design, which adjusts the adult seat belt to fit the child. However, the Safety 1st's additional safety features, including reflective trim on the stroller, may offer an edge in visibility during travel, especially in low-light conditions.
Storage and Additional Features
In terms of storage, the Safety 1st Grow and Go Flex boasts an extra-large storage basket and a parent tray with two cup holders, making it more suited for outings with babies. It also includes a child tray that can hold a two-handled sippy cup. The Mifold, while focused on being a compact booster, lacks these additional storage features, which could be a drawback for parents needing to carry extra items during outings. The extensive storage options provided by the Safety 1st combo make it a more practical choice for longer trips with infants.
Sales Performance
The New Mifold Comfort Grab-and-go Car Backless Booster Seat has a sales rank of 2814, while the Safety 1st Grow and Go Flex holds a sales rank of 6955. This indicates that the Mifold is currently performing better in terms of sales, which could reflect its popularity among parents looking for a convenient booster seat option. The higher sales rank of the Mifold suggests that it meets a significant need for portable child transportation solutions, especially in urban settings where space is limited.
Which should you buy?
Choosing between the New Mifold Comfort Grab-and-go Car Backless Booster Seat and the Safety 1st Grow and Go Flex 8-in-1 Car Seat Stroller Combo ultimately depends on your specific needs. If you're looking for a cost-effective, portable solution for older children, the Mifold is an excellent choice at $74.99. However, if you need a comprehensive travel system for infants that offers multiple configurations and additional storage, the Safety 1st option at $284.99 provides greater versatility and comfort. Consider your child's age, your lifestyle, and the specific features that matter most to you when making your decision.

