nGrow vs Robly AI (2026): Pricing, Features & Which to Choose

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

Lower starting price
Not comparable
Not comparable: nGrow does not list a price
Free plan
Tie
Neither has one
Higher rating
Robly AI
3.6 against 3.7
Same job?
Yes
Both are Marketing tools

Side by side

Compared on	nGrow	Robly AI
Our rating	3.6	3.7Better
Starts at	Not listed	Not listed
Free plan	No	No
Category	Marketing	Marketing
Plans	See pricing	See pricing
Key features	Generative AI copy for push notifications and email subject lines Per-user, per-journey-step send-time optimization from behavior data ML-based churn prediction and at-risk user segmentation Real-time AI-powered A/B testing No-SDK, no-code 3-step integration	Robly AI: per-subscriber optimal send-time determination OpenGen for inbox placement optimization Landing page builder and email templates A/B testing and marketing automations Shopify, WordPress and Zapier integrations
Pros	Per-user send-time optimization drives real measured retention gains, not just copy quality No-SDK setup removes the usual engineering dependency for marketing teams Y Combinator-backed with named customer case studies and specific retention figures	Per-subscriber send-time optimization, not a blanket list-wide send time Multiple AI components (Robly AI, OpenGen, RoblyEngage) working together 14-day free trial to test real results on your own list
Cons	No pricing disclosed on the homepage AI-generated copy still benefits from a brand-voice review pass Retention improvement figures (+12% to +33%) will vary by app and audience	Value depends on list size/activity giving the AI enough signal to learn from Specific pricing wasn't shown on the page checked Claimed lift figures should be tested against your own results, not assumed
Company	nGrow, Inc.	Robly

Prices come from each vendor's pricing page, last checked 20260824. Check the vendor before you buy.

FAQ

Questions people ask

Is nGrow better than Robly AI?

In our reviews nGrow scores 3.6 and Robly AI scores 3.7. The better pick depends on the job. nGrow: AI writes your push notification copy, picks the best send time per user from behavior data, and flags churn risk before it happens - no SDK integration required. Robly AI: Robly AI picks the best send time per subscriber, OpenGen improves inbox placement - customers report up to 50% higher opens from the two working together.

Which is cheaper, nGrow or Robly AI?

nGrow: see pricing. Robly AI: see pricing.

Do nGrow and Robly AI have free plans?

Neither lists a free plan.

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