Best Untab Alternatives in 2026
The top Untab alternatives are PerfectScale, CAST AI and Atmosly Kubernetes Cost Optimization: 15 kubernetes cost management software our editors would look at instead of Untab, in our ranking order.
Untab: A focused Kubernetes cost-management tool for teams that need chargeback and rightsizing. Where it falls short: no free plan.
Switching from Untab? For most kubernetes cost management software buyers the best Untab alternative is PerfectScale, built for teams wanting broad optimization with a free tier. On a budget, Varcio Kubernetes Cost Management starts at $49/mo, against $100/mo for Untab. Atmosly Kubernetes Cost Optimization offers the most data retention (30 days).
Why People Look for an Untab Alternative
- No free plan
- No verified forecasting, alerts, or commitment management
- Enterprise pricing is not shown in the published plan list
- No free plan — 6 of the alternatives below have it
- Paid from $100/mo — Varcio Kubernetes Cost Management is $49/mo
Quick Picks by What You Need
- Best overallPerfectScale9.4
Teams wanting broad optimization with a free tier
Visit PerfectScale - Lowest priceVarcio Kubernetes Cost Management8.9
Paid plans from $49/mo
Visit Varcio Kubernetes Cost Management - Best free optionPerfectScale9.4
Has a free plan (Untab has none)
Visit PerfectScale - Most data retentionAtmosly Kubernetes Cost Optimization9.1
30 days
Visit Atmosly Kubernetes Cost Optimization
All 15 Untab Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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Best forTeams wanting broad optimization with a free tier
- Better than Untab:
- Free plan
- Editor score 9.4 vs 7.6
Broad Kubernetes cost visibility and optimization with a free community tier.
- Commitment optimization
- Cost forecasting
- Budget alerts
9.4/10★★★★★Visit PerfectScale -
Best forMulticloud teams prioritizing automated savings
- Better than Untab:
- Editor score 9.2 vs 7.6
A deep multicloud Kubernetes cost platform for teams prioritizing automated savings.
9.2/10★★★★★Visit CAST AI -
Best forTeams needing cost optimization at a clear price
- Better than Untab:
- Free plan
- Editor score 9.1 vs 7.6
A feature-rich Kubernetes cost platform with transparent paid tiers and a useful free plan.
- Commitment optimization
- Cost forecasting
- Budget alerts
9.1/10★★★★★Visit Atmosly -
Best forTeams automating cluster and capacity optimization
- Better than Untab:
- Free plan
- Editor score 9.0 vs 7.6
A focused Kubernetes optimizer for scaling, rightsizing, allocation, and capacity selection.
- Commitment optimization
- Rightsizing recommendations
9.0/10★★★★☆Visit Flexera -
Best forTeams wanting transparent, low-cost advanced controls
- Better than Untab:
- Paid from: $49/mo vs $100/mo
- Editor score 8.9 vs 7.6
A focused FinOps platform with strong Kubernetes controls and clear monthly pricing.
- Commitment optimization
- Cost forecasting
- Budget alerts
8.9/10★★★★☆Visit Varcio -
Best forFinOps teams managing broad cloud spend
- Better than Untab:
- Editor score 8.8 vs 7.6
A broad FinOps platform for teams managing Kubernetes and multicloud spend.
- Budget alerts
8.8/10★★★★☆Visit nOps -
Best forTeams wanting practical visibility and alerting
- Better than Untab:
- Free plan
- Editor score 8.7 vs 7.6
A practical Kubernetes FinOps platform with granular visibility, alerting, and rightsizing.
- Cost forecasting
- Budget alerts
- Rightsizing recommendations
8.7/10★★★★☆Visit KubeAdapt -
Best forOpen-source teams needing optimization automation
- Better than Untab:
- Free plan
- Editor score 8.6 vs 7.6
Open-source Kubernetes cost control with attribution and automation, plus a free tier.
- Rightsizing recommendations
8.6/10★★★★☆Visit Podledger -
Best forOpen-source teams focused on cost allocation
- Better than Untab:
- Free plan
- Editor score 8.5 vs 7.6
A strong open-source choice for real-time Kubernetes cost allocation and showback.
8.5/10★★★★☆Visit OpenCost -
Best forTeams automating workload and node savings
- Better than Untab:
- Editor score 8.4 vs 7.6
A focused Kubernetes optimizer for teams automating rightsizing, consolidation, and spot savings.
- Cost forecasting
- Rightsizing recommendations
8.4/10★★★★☆Visit OptOps -
Best forAdvanced teams optimizing GPUs and scheduling
- Better than Untab:
- Editor score 8.3 vs 7.6
A deep Kubernetes optimization platform for teams managing GPUs, nodes, and workload costs.
- Rightsizing recommendations
8.3/10★★★★☆Visit ScaleOps -
Best forTeams needing detailed agentless Kubernetes analysis
- Better than Untab:
- Editor score 8.2 vs 7.6
Detailed agentless Kubernetes cost analysis for teams that need workload-level clarity.
- Rightsizing recommendations
8.2/10★★★★☆Visit Amnic -
Best forTeams wanting low-cost granular cost monitoring
- Better than Untab:
- Editor score 8.1 vs 7.6
Granular Kubernetes cost analysis with alerts, rightsizing, and chargeback at $0.03 per host/hour.
- Cost forecasting
- Budget alerts
- Rightsizing recommendations
8.1/10★★★★☆Visit Randoli -
Best forAWS and Azure teams optimizing commitments
- Better than Untab:
- Editor score 8.0 vs 7.6
A focused AWS and Azure optimizer for Kubernetes costs, commitments, and forecasting.
8.0/10★★★★☆Visit Zesty -
Best forTeams focused on predictive Kubernetes optimization
- Better than Untab:
- Editor score 7.9 vs 7.6
A predictive Kubernetes optimization platform with policy-controlled automation and GPU support.
- Rightsizing recommendations
7.9/10★★★★☆Visit Kubex
Untab Alternatives: Common Questions
What is the best alternative to Untab?
PerfectScale: #1 in our Kubernetes Cost Management Software ranking, with an editor score of 9.4 out of 10. Broad Kubernetes cost visibility and optimization with a free community tier.
Is there a free alternative to Untab?
Yes. PerfectScale, Atmosly Kubernetes Cost Optimization, Spot Ocean, KubeAdapt and Podledger have a free plan or a free tier (6 of the 15 alternatives on this page).
Why do people look for Untab alternatives?
No free plan; No verified forecasting, alerts, or commitment management; Enterprise pricing is not shown in the published plan list.
Which Untab alternative has the most data retention?
Atmosly Kubernetes Cost Optimization, with 30 days.
How do I switch from Untab?
Export your data from Untab (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel Untab.
How to Switch from Untab
- Export your data from Untab (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel Untab.
Untab vs Each Alternative
| # | Tool | Free plan | Paid from | Allocation granularity | Rightsizing recommendations | Score |
|---|---|---|---|---|---|---|
| 18 | Untab | No | $100/mo | Workload | Yes | 7.6 |
| 1 | PerfectScale | Yes | Container | Yes | 9.4 | |
| 2 | CAST AI | 9.2 | ||||
| 3 | Atmosly Kubernetes Cost Optimization | Yes | $3,990/yr | Namespace | Yes | 9.1 |
| 4 | Spot Ocean | Yes | Container | Yes | 9.0 | |
| 5 | Varcio Kubernetes Cost Management | No | $49/mo | Workload | Yes | 8.9 |
| 6 | nOps | No | 8.8 | |||
| 7 | KubeAdapt | Yes | Container | Yes | 8.7 | |
| 8 | Podledger | Yes | Yes | 8.6 | ||
| 9 | OpenCost | Yes | Free | 8.5 | ||
| 10 | OptOps | Workload | Yes | 8.4 | ||
| 11 | ScaleOps | No | Workload | Yes | 8.3 | |
| 12 | Amnic Kubernetes Cost Management | No | Workload | Yes | 8.2 | |
| 13 | Randoli Cost Management for Kubernetes | No | $0.03/device usage-based | Container | Yes | 8.1 |
| 14 | Zesty | 8.0 | ||||
| 15 | Kubex | No | Container | Yes | 7.9 |
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update