ACI Worldwide vs OnTab
ACI Worldwide vs OnTab, compared side by side on 16 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: ACI Worldwide is on 25/100 and OnTab on 27/100.
Where each one leads
ACI Worldwide
- agent readiness: 41/100 against 22/100
- domain rating: 77/100 against 21/100
OnTab
- our overall score: 27/100 against 25/100
At a glance
| Measure | ACI Worldwide | OnTab |
|---|---|---|
| What it is | Global leader in real-time payment solutions for banks and merchants. | Payment technology company specializing in EMV certifications, secure programming, and payment enablement for merchants. |
| Category | Fintech, Payments, Digital Payments, Real-time Payments | Fintech, Payments, EMV Certification, PCI Compliance |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Services |
| Founded | 1975 | 2012 |
| Headquarters | Miami, United States | Toronto, Canada |
| Status | Active | Active |
Size, funding and growth
| Measure | ACI Worldwide | OnTab |
|---|---|---|
| Employees | 4,942 | Not published |
| LinkedIn followers | 174,682 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | ACI Worldwide | OnTab |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 25/100 | 27/100 |
| Traction | 20/100 | 30/100 |
| Team | 10/100 | 30/100 |
| Search visibility | 37/100 | 3/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (41/100) | F (22/100) |
| Domain ratingLink authority, 0-100 | 77/100 | 21/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | ACI Worldwide | OnTab |
|---|---|---|
| Hosting | Not detected | AWS |
| CDN | Cloudflare | Not detected |
| CMS | WordPress | WordPress |
| Frameworks | Jquery | Jquery |
| Analytics | Google Tag Manager | Google Analytics 4, Google Tag Manager, Hotjar |
ACI Worldwide vs OnTab: common questions
Which is better, ACI Worldwide or OnTab?
On our 0-100 score OnTab rates higher (27/100 against 25/100). 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 16 data points above: read the rows that match what you are buying for.
How do ACI Worldwide and OnTab compare on the numbers?
ACI Worldwide leads on agent readiness (41/100 against 22/100), domain rating (77/100 against 21/100). OnTab leads on our overall score (27/100 against 25/100).
Read the full ACI Worldwide review and pricing or the OnTab review and pricing. You can also browse other ACI Worldwide alternatives we track.

