PostOnce vs Boom
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
| Detail | 
PostOnce | 
Boom |
|---|---|---|
| What it does | Auto post your videos everywhere through official platform APIs | Your AI coach for Instagram growth |
| Stage | Not given | Not given |
| Founded | 2023 | Not given |
| Based in | CA | GB |
| Pricing model | Free trial | Freemium |
| Pricing | Creator: $261/year ($0.72/day) or $29/month; Pro: $621/year ($1.70/day) or $2.27/month; Agency: $1791/year ($4.91/day) or $6.54/month. All plans include 7-day free trial, no credit card required. | Free plan with limited usage (3 AI Coach messages per day, 3 re-generations per activity). Paid Unlimited plan: $4/week, $14/month, or $129/year. Lifetime access one-time purchase: $99 (includes 1,000 AI credits monthly and unlimited brand collaborations, available until November 2, 2026). |
| Key features |
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| What makes it different |
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| Free plan | Not given | Not given |
| Open source | Not given | Not given |
| Platforms | Not given | Not given |
| Public API | Not given | Not given |
| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 61 no change since last check | 8 no change since last check |
| Trust Flow (Majestic) | 10 | 6 |
| Citation Flow (Majestic) | 39 | 16 |
| Referring domains (Majestic) | 678 | 7 |
6 details filled in for both companies.