Batch might be a bit more popular than PushCrew. We know about 1 link to it since March 2021 and only 1 link to PushCrew. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Pushcrew.com — Push notification service. Unlimited notifications up to 2000 Subscribers. - Source: dev.to / almost 3 years ago
It's an application on your phone using a framework called Batch. It's used for customer tracking https://batch.com/. Source: about 2 years ago
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