PostPilot Direct Mail Platform vs UnDigital
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 12, 2026 for PostPilot Direct Mail Platform, Oct 14, 2026 for UnDigital.
The short answer
- UnDigital lists 10 features PostPilot Direct Mail Platform’s listing doesn’t mention, including Ad spend, Device, Impression counts.
Head to head
- United States
- United Kingdom
- Canada
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
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- · 10+ exclusive analytics reports
- · Platform Access
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Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureUnlock a new growth channel immune to spam filters & algorithms. PostPilot’s done-for-you expert services, exclusive capabilities + superior data makes it FAST & EASY to get exceptional direct mail results. Full-funnel: prospecting & lookalikes, website retargeting, email retargeting, abandoned cart, winbacks, loyalty, mini catalogs, and more. You can even drive hyper-targeted traffic to retailers.
Build loyalty and revenue when you use UnDigital’s Unboxing Experience Platform to add beautiful, personalized, and trackable marketing inserts to each of your outgoing packages.
- Like Klaviyo for direct mail. One-off or triggered, personalized campaigns.
- Getting started is easy. Includes done-for-you design & strategy from our pros.
- Track results & ROI instantly. Get indispensable insights in your dashboard.
- We print everything in our own facilities for the best quality, speed, & value.
- Audience targeting
- Personalized print marketing
- ROI analytics
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  PostPilot Direct Mail Platform |  UnDigital |
|---|---|---|
| Detected stores | 570 | Not published |
| Net store change, 28 days | +40 | 0 |
| Stores added, 28 days | 40 | Not enough data |
| Big-brand share | 50% | Not enough data |
| Top store categories | Health & Beauty, Apparel & Accessories, Home & Garden | Not published |
| Top store countries | United States, United Kingdom, Canada | Not published |
Reviews
| Measure | PostPilot Direct Mail Platform | UnDigital |
|---|---|---|
| App Store rating | 4.9 ★ | Not published |
| App Store reviews | 178 | Not published |
| New reviews, 28 days | 1 | Not enough data |
| Reviewers a year or more in | 67% | Not enough data |
Pricing
| Measure | PostPilot Direct Mail Platform | UnDigital |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | No monthly plan listed | No monthly plan listed |
| Longest free trial | Not listed | Not listed |
| Plans listed | 1 | 1 |
Listing
| Measure | PostPilot Direct Mail Platform | UnDigital |
|---|---|---|
| Shopify category rank | #27(ahead) | #257 |
| Shopify App Charts | #3 on Big-brand picks in Ads | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | May 24, 2018 | Jan 26, 2021 |
| Languages | 1 | 1 |
| Developer | PostPilot | UnDigital |
FAQ
PostPilot Direct Mail Platform and UnDigital: common questions
- What features does each app list that the other doesn’t?
- PostPilot Direct Mail Platform lists 4 the others don’t mention, such as Automated campaigns, Cost per acquisition, Dashboards, Demographic analysis. UnDigital lists 10 the others don’t mention, such as Ad spend, Device, Impression counts, Keyword. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Nov 12, 2026 for PostPilot Direct Mail Platform, Oct 14, 2026 for UnDigital; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Nov 12, 2026 for PostPilot Direct Mail Platform, Oct 14, 2026 for UnDigital. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.