Fly Upsell & Cross Sell Vs Simple Bundles & Kits: Which Shopify App Is Best For Your Store In September 2026?

Fly Upsell & Cross Sell Features

Here are the salient features of Fly Upsell & Cross Sell:

No features information available.

Simple Bundles & Kits Features

Here are the salient features of Simple Bundles & Kits:

• ✅Split packages for simple order processing and instant inventory updates.
• ✅Increase sales by offering deals on bundle purchases or volume discounts.
• ✅Advertise product packages on special bundle pages.
• ✅Create customizable packages with endless choices for customer preference.
• ✅Works with apps for upselling, third-party logistics, warehouse management systems, multichannel fulfillment, shipping software, and point of sale.

Fly Upsell & Cross Sell Ratings

Fly Upsell & Cross Sell has garnered an overall rating of 4.9 stars from a total of 590 reviews on the Shopify app store.

Of the total reviews, 98% are positive, 2% are neutral, and 2% are negative.

✨ AI Summary of Fly Upsell & Cross Sell ReviewsThe app is a Shopify bundling and upselling solution designed to simplify the creation of product bundles, quantity discounts, and cross-sell offers. It features an intuitive interface with extensive customization options, allowing seamless integration with store themes, including color matching and layout adjustments. Key strengths include its flexibility in handling complex bundles, dynamic pricing, and variant selection, as well as overcoming Shopify’s 100-variant limit. The app is noted for its exceptional support team, which provides rapid, personalized assistance, often resolving issues or implementing custom requests within hours. While highly praised for its free tier and ease of use, some users note limitations in advanced features like mandatory bundle rules or multilingual support, which are reportedly in development. Overall, it is a robust tool for boosting average order value with minimal setup friction.

Simple Bundles & Kits Ratings

Simple Bundles & Kits has garnered an overall rating of 4.9 stars from a total of 757 reviews on the Shopify app store.

Of the total reviews, 98% are positive, 2% are neutral, and 2% are negative.

✨ AI Summary of Simple Bundles & Kits ReviewsThe app is a versatile Shopify solution designed for creating and managing product bundles, offering features like mix-and-match options, infinite variant configurations, and seamless integration with inventory management systems. It allows merchants to display bundles as single products while breaking them into individual SKUs for backend order processing, ensuring accurate fulfillment and stock tracking. The app excels in user-friendliness, with an intuitive setup process and robust customization capabilities, including support for complex bundling scenarios like multi-SKU bundles and subscription sets. A standout strength is its responsive and highly praised customer support, frequently noted for prompt, detailed assistance even for free-tier users. However, some limitations include occasional backend glitches, such as variant inventory mismanagement or checkout errors, and a lack of compatibility with unpaid purchase orders. While the app generally performs reliably, isolated reports highlight rare but significant technical issues, including crashes during checkout, which can disrupt sales. Pricing is occasionally mentioned as a consideration, though many find the functionality justifies the cost. Overall, it is a well-regarded tool for merchants seeking advanced bundling features with strong support, though minor refinements in stability and discount application could further enhance its utility.

Fly Upsell & Cross Sell Pros and Cons

Simple Bundles & Kits Pros and Cons

Average Rating (High priority factor)

While considering user reviews, take note of the average ratings for Fly Upsell & Cross Sell and Simple Bundles & Kits. These ratings reflect users' overall satisfaction and can provide valuable insights into the reliability and effectiveness of each app. In this case, Fly Upsell & Cross Sell holds an average rating of 4.9 stars, whereas Simple Bundles & Kits has 4.9 star ratings.

For a comprehensive analysis, head to the Ratings and Reviews section.

Total Reviews (High priority factor)

Consider the total number of reviews Fly Upsell & Cross Sell and Simple Bundles & Kits have received. A higher number of reviews generally indicates a larger user base and more feedback, which can provide additional insights into the app's performance and user experience. Here, Fly Upsell & Cross Sell has received a total of 590 reviews and Simple Bundles & Kits has 757 reviews.

For a comprehensive analysis, head to the Ratings and Reviews section.

Launch Date (Low priority factor)

While not a direct measure of quality, consider the launch date of each app - Fly Upsell & Cross Sell and Simple Bundles & Kits to gain some context. A more established app brings years of experience and refinement to the table, but it's important to balance this factor with the app's average rating and total reviews. Fly Upsell & Cross Sell and Simple Bundles & Kits were launched on Jan 3, 2024 and Mar 16, 2021 respectively.

For a comprehensive analysis, head to the Overview of the Apps section.

Budget (High priority factor)

Take the time to analyze your specific needs, budget for the same, and long-term goals to decide which plan fits your requirements. Here, Fly Upsell & Cross Sell offers 2 pricing plans (1 free plan, 1 paid plan) with an average plan price of $7.50. Simple Bundles & Kits, on the other hand, has a total of 4 pricing plans (1 free plan, 3 paid plans) with an average plan price of $50.50.

For a comprehensive analysis, head to the Pricing Details section.

Support Channel (Medium priority factor)

Both Fly Upsell & Cross Sell and Simple Bundles & Kits provide customer support through various channels, such as email, live chat, FAQs section, or phone. A higher number of support channels indicates better accessibility and assistance, ensuring timely help whenever you need it. Here, the two apps offer the following support channels:

Fly Upsell & Cross Sell: Email, Phone, FAQs page - 3 support options

Simple Bundles & Kits: Email, Phone, FAQs page - 3 support options

For a comprehensive analysis, head to the Support section.

Integrations (Medium priority factor)

Evaluate the integration capabilities of Fly Upsell & Cross Sell and Simple Bundles & Kits. Consider the number and variety of integration options they offer with other tools and services - more integration options can provide flexibility and streamline your workflows. Both apps offer various integration options with popular Shopify tools and services.

Fly Upsell & Cross Sell: 6 integrations

Simple Bundles & Kits: 10 integrations

For a comprehensive analysis, head to the Integrations section.

Trial Period (Low priority factor)

Free trial periods allow you to explore the app's features and functionalities before committing. Fly Upsell & Cross Sell comes with a 10-day free trial period. Simple Bundles & Kits, on the other hand, has no free trial period.Take advantage of these trial periods to assess how well each app aligns with your specific business needs.

For a comprehensive analysis, head to the Features section.