CRM Software · reliability comparison
Attio vs Nutshell: which is more reliable? (2026)
Nutshell is more reliable than Attio, scoring 79.9 vs 57.9 out of 100. Over the last 90 days Attio reported 4 incidents and Nutshell reported 3, with effective uptime of 99.38% and 99.75% respectively. Nutshell resolves incidents faster on average (5h 13m).
Data updated Nov 1, 2026 · How we score
| Metric | Attio | Nutshell |
|---|---|---|
| Reliability score | 57.9 | 79.9 |
| Rank (CRMs) | #8 | #7 |
| Uptime (90 days) | 99.38% | 99.75% |
| Incidents (90 days) | 4 | 3 |
| Partial / major outages | 1 | 2 |
| Avg time to resolve | 23h 45m | 5h 13m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Attio and Nutshell differ
- Attio reported 33% more incidents than Nutshell over the last 90 days (4 vs 3).
- Nutshell had 2 partial or major outages, compared with 1 for Attio.
- Nutshell fixes problems faster: 5h 13m on average, against 23h 45m for Attio (4.6× quicker).
- Attio's longest outage on record lasted 1d 23h (Jul 21, 2026); Nutshell's lasted 7h 15m (Sep 28, 2026).
90-day uptime
Attio
Nutshell
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Attio incidents
- Degraded performanceOct 6, 2026 · resolved in 5d 9h
Delays processing bulk record deletions
Affected: Background Tasks
- Degraded performanceOct 6, 2026 · resolved in 17h 18m
Delays processing formula attribute invalidations
Affected: Background Tasks
- Degraded performanceSep 28, 2026 · resolved in 4h 4m
Affected: Attio Cloud
- Partial outageSep 8, 2026 · resolved in 1h 37m
Affected: Attio Cloud, Attio Web Client
Recent Nutshell incidents
- Partial outageOct 21, 2026 · resolved in 3h 11m
PHP2Shell Responseofficial update ↗
Affected: Nutshell application, Nutshell Marketing outgoing email
- InformationalOct 20, 2026 · resolved in 6h 39m
Affected: Nutshell application
- Partial outageSep 28, 2026 · resolved in 7h 15m
Database Issueofficial update ↗
Affected: Nutshell application, Nutshell Marketing outgoing email, Click-to-call, Nutshell Intelligence
Other CRMs to consider
- Insightly · #1 · 100% uptime
- HubSpot CRM · #2 · 100% uptime
- folk · #3 · 99.99% uptime
- Close · #4 · 99.89% uptime