123Greetings 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 | 
123Greetings | 
Boom |
|---|---|---|
| What it does | Send beautiful greeting cards for every occasion in seconds | Your AI coach for Instagram growth |
| Stage | Established | Not given |
| Founded | Not given | Not given |
| Based in | US | GB |
| Pricing model | Not given | Freemium |
| Pricing | Free version with ads; Pro version $5.99/year for ad-free experience, 30,000+ cards, unlimited messages, and ability to share to multiple people at once | 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) | 70 no change since last check | 8 no change since last check |
| Trust Flow (Majestic) | 72 | 6 |
| Citation Flow (Majestic) | 62 | 16 |
| Referring domains (Majestic) | 3729 | 7 |
5 details filled in for both companies.