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Big Data, Little Devices 
Mobile A/B testing in theory and practice 
Thursday, October 23, 14
2 truths, 1 lie 
1. Co-founder of Splitforce, Inc. mobile A/B 
testing software 
2. Previously product manager @ Google 
3. Speak Mandarin better than Zuck 
Thursday, October 23, 14
2 truths, 1 lie 
1. Co-founder of Splitforce, Inc. mobile A/B 
testing software 
2. Previously product manager @ Google 
3. Speak Mandarin better than Zuck 
Thursday, October 23, 14
2 truths, 1 lie 
1. Co-founder of Splitforce, Inc. mobile A/B 
testing software 
2. Previously product manager @ Google 
3. Speaks Mandarin better than Zuck 
Thursday, October 23, 14
2 truths, 1 lie 
1. Co-founder of Splitforce, Inc. mobile A/B 
testing software 
2. Previously product manager @ Google 
3. Speaks Mandarin better than Zuck 
Thursday, October 23, 14
What is A/B testing? 
 Why? To confirm or reject a (null) hypothesis 
 What? Randomized experiment in which two 
variants, A and B, represent the control and 
treatment groups 
 Synonyms: bucket testing, split testing 
 People also mean... multivariate testing, A/B/n 
Thursday, October 23, 14
+500% 
increase in 
A/B testing 
as a search 
term on 
Google since 
2009 
Google Trends 
Thursday, October 23, 14
Testing in Web vs. App 
Web Mobile App 
Javascript Obj-C, Java 
Responsive, lightweight Native UI objects, 
UX conventions 
(Near) instant collection Blind spots 
More context 
Data Design Tech 
Thursday, October 23, 14
How Marks & Spencer Boosted 
Engagement by +20% 
Thursday, October 23, 14
Goal: Increase usage of Cooking Mode 
Thursday, October 23, 14
Test: Call to action copy on a button 
50% Original 
(control group) 
50% Treatment 
(test group) 
Thursday, October 23, 14
Result: +19.56% usage rate 
Thursday, October 23, 14
As an agile product team within a larger company, we are 
constantly treading the line between moving quickly and 
making well informed decisions. 
-Neil Kimmett, Marks & Spencer Labs 
Thursday, October 23, 14
How MyBook Increased 
In-App Revenue +25% 
Thursday, October 23, 14
Goal: Increase monthly subscriptions 
 There are free books, and paid books 
 When a user arrives at a paywall, she is 
presented with an two subscription offers 
 Three subscription types: Weekly, Monthly, or 
Annual 
Thursday, October 23, 14
Test: Secondary option as price anchor 
50% Original 
(Weekly price) 
50% Treatment 
(Yearly price) 
Thursday, October 23, 14
Result: +15.2% conversion rate 
Thursday, October 23, 14
We saw a measurable improvement in payments, and revenue 
from the winning variation represented a 25-35% increase 
when measured against the baseline. 
-Ivan Pestunov, MyBook 
Thursday, October 23, 14
Matt Boosted Conversions +125% 
Matt Mayer 
Founder, ReignDesign 
Thursday, October 23, 14
Users Buy & Spend Stars to Play... 
...Matt Makes $ $ $ 
Thursday, October 23, 14
Only 0.5% of users purchased... 
In-app message prompting to buy 
Thursday, October 23, 14
Matt decided to test something new... 
50% 
Thursday, October 23, 14
Matt decided to test something new... 
50% 50% 
Thursday, October 23, 14
Matt decided to test something new... 
50% 50% 
Original = 0.5% 
New = 1.13% 
Thursday, October 23, 14
Thank You! 
Zac Aghion 
CEO & Co-Founder 
Splitforce, Inc. 
zac@splitforce.com 
Thursday, October 23, 14

More Related Content

Big Data, Little Devices: Mobile A/B Testing

  • 1. Big Data, Little Devices Mobile A/B testing in theory and practice Thursday, October 23, 14
  • 2. 2 truths, 1 lie 1. Co-founder of Splitforce, Inc. mobile A/B testing software 2. Previously product manager @ Google 3. Speak Mandarin better than Zuck Thursday, October 23, 14
  • 3. 2 truths, 1 lie 1. Co-founder of Splitforce, Inc. mobile A/B testing software 2. Previously product manager @ Google 3. Speak Mandarin better than Zuck Thursday, October 23, 14
  • 4. 2 truths, 1 lie 1. Co-founder of Splitforce, Inc. mobile A/B testing software 2. Previously product manager @ Google 3. Speaks Mandarin better than Zuck Thursday, October 23, 14
  • 5. 2 truths, 1 lie 1. Co-founder of Splitforce, Inc. mobile A/B testing software 2. Previously product manager @ Google 3. Speaks Mandarin better than Zuck Thursday, October 23, 14
  • 6. What is A/B testing? Why? To confirm or reject a (null) hypothesis What? Randomized experiment in which two variants, A and B, represent the control and treatment groups Synonyms: bucket testing, split testing People also mean... multivariate testing, A/B/n Thursday, October 23, 14
  • 7. +500% increase in A/B testing as a search term on Google since 2009 Google Trends Thursday, October 23, 14
  • 8. Testing in Web vs. App Web Mobile App Javascript Obj-C, Java Responsive, lightweight Native UI objects, UX conventions (Near) instant collection Blind spots More context Data Design Tech Thursday, October 23, 14
  • 9. How Marks & Spencer Boosted Engagement by +20% Thursday, October 23, 14
  • 10. Goal: Increase usage of Cooking Mode Thursday, October 23, 14
  • 11. Test: Call to action copy on a button 50% Original (control group) 50% Treatment (test group) Thursday, October 23, 14
  • 12. Result: +19.56% usage rate Thursday, October 23, 14
  • 13. As an agile product team within a larger company, we are constantly treading the line between moving quickly and making well informed decisions. -Neil Kimmett, Marks & Spencer Labs Thursday, October 23, 14
  • 14. How MyBook Increased In-App Revenue +25% Thursday, October 23, 14
  • 15. Goal: Increase monthly subscriptions There are free books, and paid books When a user arrives at a paywall, she is presented with an two subscription offers Three subscription types: Weekly, Monthly, or Annual Thursday, October 23, 14
  • 16. Test: Secondary option as price anchor 50% Original (Weekly price) 50% Treatment (Yearly price) Thursday, October 23, 14
  • 17. Result: +15.2% conversion rate Thursday, October 23, 14
  • 18. We saw a measurable improvement in payments, and revenue from the winning variation represented a 25-35% increase when measured against the baseline. -Ivan Pestunov, MyBook Thursday, October 23, 14
  • 19. Matt Boosted Conversions +125% Matt Mayer Founder, ReignDesign Thursday, October 23, 14
  • 20. Users Buy & Spend Stars to Play... ...Matt Makes $ $ $ Thursday, October 23, 14
  • 21. Only 0.5% of users purchased... In-app message prompting to buy Thursday, October 23, 14
  • 22. Matt decided to test something new... 50% Thursday, October 23, 14
  • 23. Matt decided to test something new... 50% 50% Thursday, October 23, 14
  • 24. Matt decided to test something new... 50% 50% Original = 0.5% New = 1.13% Thursday, October 23, 14
  • 25. Thank You! Zac Aghion CEO & Co-Founder Splitforce, Inc. zac@splitforce.com Thursday, October 23, 14