Bundle Upsell

Hooked on Phonics is a monthly subscription reading program for children between 3–8 years old. For $16.98 per month, users get digital app access and are shipped companion physical materials. Retention rates are not terrible, but not stellar either.

The Objective

Increase LTV (customer lifetime value) while also providing value to the customer.

The Challenge

Drive incremental revenue by offering the entire program in the primary acquisition funnel upfront to those who have less price sensitivity while not adversely affecting conversions of the core monthly subscription offer.

Company
Hooked on Phonics

Role
Product Designer

Timeline
March – June 2025

View company website →

View Mobile Prototype →
View Desktop Prototype →

Previous State

  1. In the primary acquisition channel, only subscription plans are available.

  2. The top Sellers on the Shop page are larger upfront bundles.

  3. Customer Service fields questions regarding purchasing the entire program all at once. It’s not a huge number, but not significant either.

Hooked on Phonics website showing previous grade placement selection step
Hooked on Phonics website showing Shop Most Popular Products page.

Known Knowns

Bundles are Top Sellers in Shop

The Shop page offers the entire breadth of product offerings and configurations. Bundles are the top-selling SKUs.

Churn & Price Sensitivity

The tops reasons for subscription cancellations revolve around price and value.

What’s Included?

Per user research, most users don’t know what exactly is included in the program. Most are compelled by the $1 trial offer for the subscription.

Considerations

Subscription CVR

Could proffering a discounted bundle adversely affect conversions as a whole? Will it come across as too aggressive?

Fulfillment & Bundle Kitting

Do we have the various bundle configurations pre-kitted or do they need to be picked and packed?

Payback Window Shortened

Incremental bundle revenue has a drastically shorter payback window than subscriptions and with no possibility of churn.

Testing Inventory

How many variants can we test to reach statistical significance in a reasonable amount of time?

Recurring Price Transparency

Could showing the recurring subscription price, which we don’t currently do, adversely affect subscription conversions?

Upsell Suppression

Incremental bundle revenue has a drastically shorter payback window than subscriptions and with no possibility of churn.

Bundle Sizes & Prices Vary

Program bundles are configured from where the child is placed. As a result, bundle sizes, prices and discounts vary. Could that affect take rates by grade?

Overhead shot of parent reading a Hooked on Phonics Storybook to child with Workbook and ABC Flashcards on a table

CURRENT STATE USER TESTING

“I ‘m not really sure what’s included, but $16.98 per month sounds reasonable. I thought it would be more. That’s my coffee budget for a week.”

Anna, user testing participant

Success Metrics

Total Revenue

With a new revenue model added to the mix, Total Revenue, in aggregate, would be tracked over the course of the average retention period.

Lifetime Value (LTV)

LTV over the course of the average retention period would be tracked in aggregate and separately by Subscription vs. Bundle takers.

Bundle Take Rate

Aimed for a 5% of all orders to be Bundles. This is in aggregate across all grades levels.

Conversion Rate (CVR)

Retain the CVR for Subscription takers or take a slight drop in CVR and make up for it with Bundle revenue.

Churn & Retention Rates

Increase our retention rate by 1 month, thereby reducing our churn rate as well.

Screenshot of a Google Sheet showing prioritization of ideas

The Process

  • After a concept is generated, key questions and known unknowns are formulated. Existing data is identified and scoured to help answer those key questions. These may come in the form of:

    • Traffic logs

    • User surveys

    • Customer service requests

    • Previous user research

    • Previous and relevant A/B tests

    • Marketing analytics

    From there, any gaps and relevant research methods are identified before crafting a research plan.

  • Informed by A/B testing results, clickstream analysis, session recordings, and moderated user testing, new UI concepts are created to help mitigate any monetary and UX performance shortcomings.

    From there, new concepts are user tested before moving anything into development.

    User research methods used:

    • Qualitative attitudinal methods: User interviews

    • Qualitative behavioral methods: Moderated user testing, session recordings, heat maps

    • Quantitative attitudinal methods: User surveys

    • Quantitative behavioral methods: A/B testing, clickstream analysis

  • Experiment designs are crafted in close collaboration with product management and marketing.

    Testing plans include:

    • Success metrics

    • Number of variants

    • Testing inventory needed

    • Traffic allocation

    Experiments are then slotted into the experimentation roadmap.

Test Results

Round 1 of the test is ongoing (as of July 2025). Here is what we see so far:

  • Revenue estimates are negative 👎🏽

  • Subscription CVR is down significantly 👎🏽

  • Average of 7+ clicks per user 🖱️

  • +5.63 more interaction events🖱️

Screenshot of a Hooked on Phonics webpage with a heatmap over it
Screenshot of Google Analytics showing interactive click events

What’s Next

  • Moderated User Testing

    Add color to existing quantitative & qualitative data

  • Less Intrusive Bundle Option

    Retain CVR for subscriptions while still offering a bundle

  • Another Round of Price Testing

    Home in on the winner by reducing the price ranges

  • Different Bundle Configurations

    Offer 1 or 2-year bundles instead of the entire program

  • Reflection 1:

    QA Saves Future Time & Work
    When it comes to key milestones in a project, it is worthwhile to ensure the accuracy and quality of completed steps that could have critical downstream effects and implications. An error in experimentation development caused the team to have to negate a week’s worth of testing data due to a price issue at checkout. Subsequently, the problem was quickly fixed to ensure experiment integrity.

  • Reflection 2:

    Contribute Where Needed
    Due to the complexity of the project and the fundamental shift of how revenue is generated, the team lacked a sufficient way of measuring extended monetary impact  in an apples-to-apples way. I ended up creating an estimator based on known variables and best guesses that tracked revenue between subscriptions and bundles, also allowing for informed traffic reallocation throughout the experiment.


More Projects

Bonus Books Upsell →
Build Your Own Bundle →
Navigation Redesign →
Fine Art →