Mailspice vs OneSignal
Mailspice vs OneSignal, compared side by side on 10 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Mailspice is on 6/100 and OneSignal on 61/100.
Where each one leads
Mailspice
Leads on none of the measures we hold for both companies.
OneSignal
- our overall score: 61/100 against 6/100
- agent readiness: 58/100 against 30/100
At a glance
| Measure | Mailspice | OneSignal |
|---|---|---|
| What it is | Automatically warm your new domain so your emails land in the inbox, not spam. | Omnichannel customer engagement platform for personalized messaging across mobile and web. |
| Category | Email Deliverability, Email Marketing, Domain Management, Sender Reputation | Customer Engagement Platform, Marketing Automation, Push Notifications, In-App Messaging |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Platform |
| Founded | Not published | 2011 |
| Headquarters | Not published | San Mateo, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Mailspice | OneSignal |
|---|---|---|
| Employees | Not published | 171 |
| Total funding | Not published | $57.0M |
| Latest round | Not published | Series C |
| LinkedIn followers | Not published | 11,296 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Mailspice | OneSignal |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 6/100 | 61/100 |
| Traction | Not published | 59/100 |
| Team | Not published | 60/100 |
| Community | Not published | 15/100 |
| Search visibility | Not published | 35/100 |
| Quality | Not published | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (30/100) | D (58/100) |
| Domain ratingLink authority, 0-100 | Not published | 86/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Mailspice | OneSignal |
|---|---|---|
| Hosting | Vercel | Not detected |
| CDN | Vercel | Cloudflare |
| Frameworks | Next.js, Tailwind CSS | Jquery, Tailwind CSS, Bootstrap |
| Analytics | Not detected | Google Tag Manager |
| Open source | No | Yes |
Mailspice vs OneSignal: common questions
Which is better, Mailspice or OneSignal?
On our 0-100 score OneSignal rates higher (61/100 against 6/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 10 data points above: read the rows that match what you are buying for.
How do Mailspice and OneSignal compare on the numbers?
OneSignal leads on our overall score (61/100 against 6/100), agent readiness (58/100 against 30/100).
Read the full Mailspice review and pricing or the OneSignal review and pricing. You can also browse other Mailspice alternatives we track.