CRM Software · 2026 reliability ranking
Most Reliable CRM Software (2026)
We ranked 15 CRMs by real-world reliability over the last 90 days, using 49 status page incidents and our own around-the-clock uptime checks. A CRM holds a small business's contacts, deals, follow-up tasks and sales emails, so when it is down the team can't look up a customer before a call, log a deal or send a scheduled sequence. Short outages mostly cost time, but failures in email sync, automations or integrations can silently skip follow-ups or create duplicate records that take hours to clean up. Because most CRMs feed other tools through their API, an API outage can also stop web forms, billing and marketing tools from updating.
Last updated Nov 1, 2026 · How we score
| # | Vendor | Score | Uptime (90d) |
|---|---|---|---|
| 1 | Capsule CRMCapsule is a simple sales CRM for small businesses, based in Manchester, England. | 100.0 | 100% |
| 2 | CopperCopper is a CRM built to work inside Google Workspace and Gmail, headquartered in San Francisco. | 100.0 | 100% |
| 3 | InsightlyInsightly is a CRM with project management and marketing automation add-ons for small and mid-sized businesses, headquartered in San Francisco. | 98.4 | 100% |
| 4 | HubSpot CRMHubSpot is a CRM platform with marketing, sales, service and content tools built on a shared customer database, headquartered in Cambridge, Massachusetts. | 95.9 | 100% |
| 5 | folkfolk is a lightweight CRM for relationship-driven teams that syncs contacts from email and LinkedIn, headquartered in Paris. | 95.8 | 99.99% |
| 6 | CloseClose is a sales CRM with built-in calling, email and SMS for small sales teams, run as a remote company founded in the United States. | 88.6 | 99.89% |
| 7 | monday CRMmonday CRM is the sales CRM product built on the monday.com Work OS, from monday.com Ltd. of Tel Aviv, Israel. | 86.1 | 99.86% |
| 8 | FreshsalesFreshsales is the sales CRM from Freshworks Inc., sold on its own or in the Freshworks CRM suite. | 83.1 | 99.83% |
| 9 | NutshellNutshell is a CRM and email marketing tool for small business sales teams, based in Ann Arbor, Michigan. | 79.9 | 99.75% |
| 10 | AttioAttio is a configurable, data-driven CRM for startups and small teams, headquartered in London. | 57.9 | 99.38% |
| 11 | PipedrivePipedrive is a pipeline-focused sales CRM for small and mid-sized businesses, headquartered in New York and Tallinn, Estonia. | 55.1 | 99.06% |
CRM Software reliability at a glance
- Across the 11 ranked CRMs, average 90-day uptime is 99.80%. Reliability scores range from 100.0 (Capsule CRM) to 55.1 (Pipedrive).
- Together they published 49 incidents in the last 90 days, 14 of them partial or major outages.
- Capsule CRM, Copper reported no incidents at all in that time.
- The typical vendor takes 1h 55m to resolve an incident. Insightly is fastest, at <1m on average.
- HubSpot CRM reported the most incidents (11 in 90 days).
What to check before you choose a CRM
- Check which parts fail most often. A web app outage is obvious, but delayed email sync, automations or workflows can silently skip follow-ups.
- If forms, billing or marketing tools push data into the CRM, look at the vendor's API incident history, since an API outage breaks those links too.
- Ask whether automations and scheduled emails that miss their slot during an outage are retried or dropped.
- Check whether the mobile app keeps contacts and notes available offline, so your team can still reach customers when the cloud service is down.
90-day uptime history
Each bar is one day. Hover a bar for that day's uptime and incidents.
1. Capsule CRM
100% uptime · 0 incidents · avg resolve —2. Copper
100% uptime · 0 incidents · avg resolve —3. Insightly
100% uptime · 1 incidents · avg resolve <1m4. HubSpot CRM
100% uptime · 11 incidents · avg resolve —5. folk
99.99% uptime · 2 incidents · avg resolve 3m6. Close
99.89% uptime · 4 incidents · avg resolve 59m7. monday CRM
99.86% uptime · 7 incidents · avg resolve 54m8. Freshsales
99.83% uptime · 8 incidents · avg resolve 2h 50m9. Nutshell
99.75% uptime · 3 incidents · avg resolve 5h 13m10. Attio
99.38% uptime · 4 incidents · avg resolve 23h 45m11. Pipedrive
99.06% uptime · 9 incidents · avg resolve 14h 58m- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Being tracked (not ranked yet)
These vendors join the ranking once we have enough evidence: at least 14 days of data, and for vendors with a quiet status page (silent for a year, or for 90 days while their competitors report several incidents), 30 days of our own independent monitoring.
- Keap · quiet status page, awaiting our own monitoring
- Less Annoying CRM · quiet status page, awaiting our own monitoring
- Zoho CRM · quiet status page, awaiting our own monitoring
- Salesforce Sales Cloud
Recent CRM Software incidents
App is unavailable for some customers
Affected: Application UI, API
Some HubSpot tools may be unavailable for some users
Affected: CRM, Marketing Tools, Website, Sales Tools, Service Tools, Chat & Automation +5 more
Affected: Nutshell application, Nutshell Marketing outgoing email
Affected: Nutshell application
Head-to-head comparisons
- Capsule CRM vs Copper reliability
- Capsule CRM vs Insightly reliability
- Capsule CRM vs HubSpot CRM reliability
- Capsule CRM vs folk reliability
- Copper vs Insightly reliability
- Copper vs HubSpot CRM reliability
- Copper vs folk reliability
- Insightly vs HubSpot CRM reliability
- Insightly vs folk reliability
- HubSpot CRM vs folk reliability
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Frequently asked questions
What is the most reliable CRM?
Based on the last 90 days of data, Capsule CRM is the most reliable CRM we track, with a reliability score of 100.0/100 and 100% uptime.
How do you measure CRM reliability?
We poll each vendor's public status page every few minutes, record every incident, and run our own uptime checks against each vendor's login and customer-facing pages. Uptime (40%), incident frequency (20%), average time to resolve (20%) and transparency (20%) combine into one score out of 100.
How often are these rankings updated?
Continuously. Status pages and uptime checks run every five minutes and scores are recalculated several times an hour.
Can vendors pay to rank higher?
No. Sponsored placements are clearly labelled, shown separately from the rankings and never change a vendor's score.