OneSignal vs Postscript
Updated June 2026 · A structured head-to-head comparison.
SMS marketing for Shopify brands.
The verdict
Both OneSignal and Postscript are credible marketing automation tools, and the right pick comes down to your priorities.
Choose OneSignal if you want a lower starting price (free – $9/mo), a free plan to start on and broader platform coverage. Push, email, and SMS messaging.
Postscript — SMS marketing for Shopify brands.
OneSignal vs Postscript: side by side
| Dimension | OneSignal | Postscript |
|---|---|---|
| Starting price | Free – $9/moWinner | From $100/mo |
| Free plan | YesWinner | No |
| Pricing model | Freemium | Subscription |
| Best for | App Developers, Marketers | Ecommerce, Shopify Stores |
| Platforms | Web, Ios, Android, ApiWinner | Web, Api |
| Rating | 4.5/5 | 4.6/5 |
OneSignal key facts
- Vendor
- OneSignal
- Pricing
- Freemium — Free – $9/mo
- Free tier
- Yes
- Platforms
- Web, Ios, Android, Api
- Best for
- App Developers, Marketers
- Editor rating
- 4.5 / 5
- Founded
- 2014
- Headquarters
- San Mateo, CA, USA
Postscript key facts
- Vendor
- Postscript
- Pricing
- Subscription — From $100/mo
- Free tier
- No
- Platforms
- Web, Api
- Best for
- Ecommerce, Shopify Stores
- Editor rating
- 4.6 / 5
- Founded
- 2018
- Headquarters
- Remote
Frequently asked questions
Is OneSignal better than Postscript?
Neither is universally better — Postscript edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.
Is OneSignal or Postscript cheaper?
OneSignal is the more affordable of the two to get started, at free – $9/mo. OneSignal starts at free – $9/mo; Postscript starts at from $100/mo.
Can OneSignal replace Postscript?
Yes for most teams — both are marketing automation tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.