Backlog by Nulab Inc and Infinity both aim to streamline work, but they serve very different teams. Backlog by Nulab Inc is a developer-focused hub for code and tasks, while Infinity is a budget-conscious, customizable platform for general operations. Your team's technical needs will decide the winner here.
Best for: Software development teams needing Git/SVN integration, Growing teams that want to avoid per-user pricing
Best for: Small teams seeking a low-cost project management alternative, Agencies or businesses replacing Airtable or Trello
Solid all-in-one for dev teams.
Overall, we find Backlog to be a capable and cost-effective platform that effectively merges project management, issue tracking, and code collaboration into a single tool. It's a strong choice for small to mid-sized teams looking to simplify their workflow without per-user costs.
High Customization, Low Cost, Manage Everything.
We find Infinity offers excellent functional depth and strong customization features for managing complex projects at a very competitive price point. Overall, we see it as a high-value, flexible alternative for teams looking to significantly reduce their annual expenditure on operational software.
Backlog is an all-in-one work management platform built for teams that build, plan, or create. 🚀 It combines project management, issue tracking, and team collaboration into a single, powerful tool. This makes it ideal for development teams managing code and bugs, design teams planning sprints, marketing teams running campaigns, and small businesses seeking a straightforward solution without user limits.
Infinity is designed as an economical alternative for organizations managing their growth and operations. It provides a way to significantly cut costs compared to other expensive market tools. Based on your plan, the software supports customizable numbers of workspace areas and collaborators.
Beyond basic functionality, you can also leverage specialized Professional Services. This support, available for a modest one-time fee, helps integrate these solutions smoothly into your workflow. ✨
We highlight the main differences and pick a winner for each feature.
Backlog by Nulab Inc unifies code and projects. Infinity focuses on cost-saving business operations.
Backlog by Nulab Inc is an all-in-one hub for technical teams. It merges issue tracking with native Git and SVN repositories. Your developers can link commits directly to tasks. Infinity is designed as an economical alternative for business operations. It aims to replace multiple tools with a highly customizable workspace. Its focus is on reducing your annual software spend. The key difference is audience. Backlog by Nulab Inc is for teams that build software. Infinity is for teams that manage business workflows and projects.
Infinity offers more customizable views and workspaces. Backlog by Nulab Inc provides a more structured, technical framework.
Backlog by Nulab Inc provides a consistent structure for project and issue tracking. Its strength lies in the seamless connection between code and tasks. It's less about customizing the interface and more about a proven workflow. Infinity emphasizes ultimate flexibility. The Pro plan unlocks customizable Gantt, Chart, and Document views. You can tailor the workspace to fit very specific business processes. For teams needing to adapt software to unique operations, Infinity has an edge. For teams needing a reliable, out-of-the-box dev workflow, Backlog by Nulab Inc is better.
Backlog by Nulab Inc uses flat-fee pricing. Infinity uses per-user pricing with a money-back guarantee.
Backlog by Nulab Inc's flat-fee model is its big sell. You pay a set price per plan, regardless of team size. A 10-person team pays the same as a 3-person team on the same plan. Infinity uses per-user pricing. You pay $6-$9 per user, per month. However, it offers a 14-day money-back guarantee, letting you test it risk-free. The value pick depends on team size. For larger teams, Backlog by Nulab Inc's flat fee saves money fast. For small teams, Infinity's per-user cost is very low.
Infinity's Pro plan unlocks powerful Gantt and Chart views. Backlog by Nulab Inc focuses on task lists and timelines.
Backlog by Nulab Inc provides Kanban boards, lists, and timeline views for managing tasks and sprints. It's optimized for agile development and bug tracking cycles. Infinity's Pro plan adds dedicated Gantt, Chart, and Document views. These are crucial for visualizing complex project dependencies and business reporting. If your work requires detailed, visual project planning beyond a task list, Infinity's Pro plan offers more sophisticated tools.
Backlog by Nulab Inc is noted for a clean interface. Some Infinity users find the UI frustrating.
Reviews for Backlog by Nulab Inc mention a clean and straightforward interface. Users say it's easy to navigate once set up. The mobile app is handy for quick checks. Infinity's limited reviews include a specific critique. One user noted the software is powerful but the UI/UX feels poorly designed, leading to frustration. Early adopter feedback suggests Backlog by Nulab Inc may have a smoother initial user experience. Infinity's power comes with a steeper learning curve.
Both scale, but differently. Backlog by Nulab Inc offers Enterprise plans. Infinity has Unlimited Member packages.
Backlog by Nulab Inc scales with its Enterprise plan. This includes advanced security like SAML and a dedicated success manager. It's built for larger, secure organizations. Infinity offers specialized packages for Unlimited members and white-label agencies. This provides flexibility for massive scaling, albeit with less detail on enterprise features. For secure, corporate scaling, Backlog by Nulab Inc is proven. For high-volume, cost-sensitive scaling, Infinity's Unlimited packages are an option.
Backlog by Nulab Inc pricing: Backlog by Nulab Inc offers a range of flat-fee plans starting from a free tier up to $175 per month, with no per-user fees. You can save 17% by choosing annual billing for any paid plan level reached by your team's needs. Plans range: $0–$210/month Billing options: Free plan, Free trial, Monthly subscription, Yearly subscription, Per seat pricing, Usage-based pricing

Infinity costs between $18 and $27 per month (billed annually) with two primary plans visible: Basic at $18/month and Pro at $27/month (for a 3-member team).
These plans utilize a per-user, per-month pricing structure when billed annually. You benefit from a 25% discount by selecting the yearly option.
Price: $6 user/month (Total $18/month, billed annually) Refund Policy: 14-Day Money Back Guarantee Other Features: 1 Workspace, 3 Members, 5 GB Storage, Includes Basic Features

We found that external review platforms like Trustpilot were not accessible due to verification errors, preventing us from gathering specific user sentiment from those sources. Capterra was not provided.
Therefore, our review is based solely on the official product information and pricing details from Nulab. ✅ We can confirm Backlog offers a unified platform for project management, issue tracking, and collaboration with built-in Git/SVN support and no per-user fees.
Backlog is great for keeping all our code and tasks in one place. The Git integration is seamless, and my team stopped switching between five different apps. It just works for our sprint planning.
Infinity currently presents a very small public feedback pool, limiting a thorough assessment of recurring themes like long-term reliability or support performance. Based on the limited sentiment available (3.5 stars across only two Trustpilot reviews), users clearly recognize the platform's core strength: its ultimate flexibility and power as a work management solution.
One reviewer highly praised Infinity as flexible software that performs great and effectively replaces competitive products like Airtable and Trello. However, the existing feedback also includes a crucial, concrete critique regarding adoption and user experience.
This is really great software that offers impressive flexibility. It easily handles all our work needs. We are using it to replace older platforms like Airtable and Trello, and it performs wonderfully.
This isn't a straightforward "which is better" fight. The winner depends entirely on your team's work. Backlog by Nulab Inc is a powerhouse for developers. Infinity is a flexible, budget-friendly tool for business operations. Backlog by Nulab Inc's superpower is its integrated development environment. It combines project tasks with Git and SVN repositories in one place. This eliminates the constant switching between code and task trackers. Infinity's superpower is its customizable framework and low cost. The 360° Business Architect and advanced views let you shape it for unique operations. It's designed to save you thousands over more expensive tools. The deciding factor is your primary workflow. If you write code, manage bugs, or plan sprints, Backlog by Nulab Inc is built for you. If you run a business, manage client projects, or need unique workspaces, Infinity is the choice. For most technical teams and growing companies, Backlog by Nulab Inc is the stronger pick. Its unified workflow and flat-fee pricing offer more practical value. Choose Infinity if you're a non-technical team on a strict budget needing maximum flexibility.
For a small technical team, Backlog by Nulab Inc is better due to its free plan and flat fees. For a small business team, Infinity's low per-user cost and customizable views might be more appealing.
Backlog by Nulab Inc offers timeline views for planning, but not a dedicated, traditional Gantt chart. Infinity's Pro plan includes a specific Gantt View for tracking complex project timelines.
Infinity isn't necessarily more expensive. Its per-user price is low for small teams, but Backlog by Nulab Inc's flat fee is cheaper for larger teams. Value depends on your specific feature needs.
Backlog by Nulab Inc provides dedicated importers for Jira and Redmine. It does not list a direct export tool for Infinity. Migration would likely require manual data transfer or using a generic CSV export.
Backlog by Nulab Inc is definitively better. It has native Git and SVN integration, letting you link code commits directly to issue tickets. Infinity lacks version control features.
Infinity does not offer a standard free trial. However, it provides a 14-day money-back guarantee on all plans, allowing you to test it with minimal financial risk.
Both tools have their strengths. Choose based on your specific needs.