BacklogOnline project management for business and software development teams
vs
CeloxisEnterprise project and portfolio management in one execution platform.
Comparison · Project Management · weekly run Nov 3
Backlog vs Celoxis
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Celoxis is the stronger AI pick in Project Management: it has a visibility score of 4.6 versus 4.1 for Backlog.
Choose Backlog if…
- You want a free plan to start
- You need a self-hosted or on-premises option
- Flat tiers pricing suits your budget better than per seat
- Strong backlog management for complex, scaled engineering
Choose Celoxis if…
- You want the brand AI engines rank higher (4.6 vs 4.1)
- You want a lower entry price ($10 vs $35)
- AI answers describe it more positively (25% vs 0% positive)
- You need ISO 27001 or AICPA SOC 2 Type 2 or EU GDPR or UK GDPR coverage
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Backlog | Celoxis |
|---|---|---|
| Visibility score | 4.1% | 4.6% |
| Change vs last week | New | New |
| Rank in Project Management | #18 | #17 |
| Share of voice | 1.6% | 1.5% |
| Mentions this run | 9 | 9 |
| Positive in AI answers | 0% | 25% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Backlog 0pp · Celoxis 0pp over 0 weekly runs.
Engine by engine
Celoxis leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
BacklogCeloxis
Head to head in AI answers
0 engine answers name both brands
0Backlog ranked higher
0Celoxis ranked higher
Features, pricing & fit
| Dimension | Backlog | Celoxis |
|---|---|---|
| Pricing model | Flat tiers | Per seat |
| Entry price | Free; paid from $35 / mo | $10 per seat / mo |
| Free plan | Yes | No · 14-day trial |
| Deployment | Cloud-hosted by Nulab, with an on-premises self-hosted option on the customer's private servers | Cloud or on-premise |
| Integrations | — | 400+ |
| Compliance | — | ISO 27001, AICPA SOC 2 Type 2, EU GDPR, UK GDPR |
| Support | Email support from the customer team, 1:1 online training session, Dedicated customer success associate, Enterprise customer success manager | 24x5 support with real people, Standard, Premium and VIP support tiers by plan, Dedicated account manager through rollout |
| Founded | 2004 | 2001 |
| Headquarters | Fukuoka, Japan | Pune, India |
| Employees | — | 51–200 |
| Funding | IPO · $6M raised | — |
| Best for | Business and software development teams that need task tracking, issue management and Git repositories with simple pricing | PMOs and project-driven teams that need to manage portfolios, resources, budgets and risks together. |
Plans side by side
Backlog
Free$0forever
Starter$35per month, billed monthly
Standard$100per month, billed monthly
Premium$175per month, billed monthly
EnterpriseCustomcustom
Celoxis
Core$10per Standard user per month, billed annually
Essentials$25per Standard user per month, billed annually
Professional$35per Standard user per month, billed annually
Business$45per Standard user per month, billed annually
EnterpriseCustomcustom pricing
Pros and cons
Themes from the AI answers that mention each brand
Backlog
- Strong backlog management for complex, scaled engineering
- Free tier with Scrum and Kanban boards and basic backlog management
- Sprint and backlog management, sprint planning and release management
- Clunky interface with mixed opinions
Celoxis
- Portfolio planning and scenario analysis
- Strong ratings in some comparison research
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Backlog vs Celoxis”, https://slateindex.ai/compare/backlog-vs-celoxis, data of Nov 3, 2026. Licence: CC BY 4.0.