Doppelganger vs E! ‑ Loyalty Program & Rewardsfor Shopify (2026)
Doppelganger and E! ‑ Loyalty Program & Rewards, while both related to customer relationships, address vastly different needs within a Shopify store. Doppelganger focuses on the often overlooked but crucial task of de-duplicating customer accounts to improve CLV accuracy. It caters to merchants struggling with fragmented customer data stemming from multiple order sources or inconsistent customer entry. E! ‑ Loyalty Program & Rewards, on the other hand, aims squarely at customer retention and engagement through a feature-rich loyalty program. It's designed for merchants seeking to incentivize repeat purchases and build a loyal customer base through points, rewards, referrals, and VIP tiers. The primary difference lies in their approach to customer relationships. Doppelganger addresses data integrity, ensuring accurate measurement, while E! ‑ Loyalty Program & Rewards concentrates on proactive engagement and incentivization. Doppelganger appears to be targeted towards data-conscious merchants needing accurate analytics, while E! caters to those looking to build a branded loyalty experience.
At a Glance
Doppelganger
7 reviews
E! ‑ Loyalty Program & Rewards
275 reviews
Detailed Overview
Doppelganger
Merge duplicate accounts and get a better view of the actual Customer Lifetime Value.
Key Features
- Find duplicate accounts
- Link duplicate accounts
- Merge duplicate accounts
- Privacy focused. You stay in control of your customer's data.
E! ‑ Loyalty Program & Rewards
Create a fun, customizable loyalty and rewards program with points, referrals program, VIP tiers
Key Features
- Loyalty program with points, rewards program, referrals, and VIP tiers.
- Loyalty and Rewards program: offer points, discounts, or exclusive perks.
- Referral Program: Refer a friend with referral link. Refer and earn discounts!
- VIP rewards program: offer exclusive perks with VIP tiers & loyalty rewards!
- Friendly 24/7 support, multi language translation & smart tracking / analytics
Feature Comparison
| Rating | 2.3/5 | 5/5 |
Rating Doppelganger2.3/5 E! ‑ Loyalty Program & Rewards5/5 | ||
| Reviews | 7 | 275 |
Reviews Doppelganger7 E! ‑ Loyalty Program & Rewards275 | ||
| Core Functionality | Duplicate account merging | Loyalty program management |
Core Functionality DoppelgangerDuplicate account merging E! ‑ Loyalty Program & RewardsLoyalty program management | ||
| Target Merchant | Data-driven merchants needing accurate CLV | Merchants focused on customer retention and engagement |
Target Merchant DoppelgangerData-driven merchants needing accurate CLV E! ‑ Loyalty Program & RewardsMerchants focused on customer retention and engagement | ||
| Key Features Highlight | Find, link, and merge duplicate accounts, privacy focus | Points, rewards, referral programs, VIP tiers, 24/7 support |
Key Features Highlight DoppelgangerFind, link, and merge duplicate accounts, privacy focus E! ‑ Loyalty Program & RewardsPoints, rewards, referral programs, VIP tiers, 24/7 support | ||
| Value Proposition | Improved CLV accuracy through data consolidation | Increased customer loyalty and sales through rewards and engagement |
Value Proposition DoppelgangerImproved CLV accuracy through data consolidation E! ‑ Loyalty Program & RewardsIncreased customer loyalty and sales through rewards and engagement | ||
| Ease of Use (Implied) | Potentially complex data management task | Designed for ease of setup and customization (based on description) |
Ease of Use (Implied) DoppelgangerPotentially complex data management task E! ‑ Loyalty Program & RewardsDesigned for ease of setup and customization (based on description) | ||
Our Verdict
Doppelganger is a niche tool ideal for merchants struggling with duplicate customer data impacting their analytics and CLV calculations. It's a strategic choice for those prioritizing data accuracy over direct customer engagement. However, its low rating and few reviews are causes for concern. E! ‑ Loyalty Program & Rewards is a more broadly applicable solution for businesses looking to actively cultivate customer loyalty and drive repeat purchases through a comprehensive rewards program. The high rating and large number of reviews suggest a well-received and effective product.
For most Shopify merchants in 2026 looking to improve customer relationships, E! ‑ Loyalty Program & Rewards would likely be the more impactful and well-supported choice. However, if data accuracy and CLV are paramount, and the merchant is willing to investigate the reasons for Doppelganger's low rating, it might be worth considering.
Common Questions
Which app is easier to set up and use?
Based on the descriptions and review count, E! ‑ Loyalty Program & Rewards appears to be more user-friendly, with a focus on customization and 24/7 support. Doppelganger likely involves more data analysis and manual matching, making it potentially more complex.
Which app is better for improving Customer Lifetime Value (CLV)?
Both apps can indirectly improve CLV. Doppelganger directly addresses CLV accuracy by merging duplicate accounts. E! ‑ Loyalty Program & Rewards aims to increase CLV by fostering loyalty and repeat purchases.
Does Doppelganger offer any features to incentivize customer behavior like E! Loyalty & Rewards?
No, Doppelganger's focus is strictly on data consolidation and accuracy. It does not offer features related to points, rewards, or other incentives.
What are the risks associated with using Doppelganger?
The low rating and few reviews raise concerns about the app's reliability, ease of use, or effectiveness. Merchants should investigate the reasons behind the low rating before committing to using Doppelganger, particularly concerning data privacy given its claim to be 'privacy focused'.
What kind of support does Doppelganger offer?
The description for Doppelganger does not mention support. E! - Loyalty Program & Rewards mentions friendly 24/7 support, implying that Doppelganger may not offer this level of customer service.
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