Service comparison

Apsis Pro vs. Letter

Apsis Pro vs. Letter: uptime, incident frequency and resolution times, head-to-head.

Last 90 days · 0 incidents total · From each provider's official status page

Head-to-head

90-day summary

Apsis Pro

anpdm.com

Online
- 90-day uptime
  
  100.00%
- Incidents (90d)
  
  0
  
  0 major · 0 minor
- Median resolution
  
  —
- Longest incident
  
  —
View status page →
Letter

letter.so

Online
- 90-day uptime
  
  100.00%
- Incidents (90d)
  
  0
  
  0 major · 0 minor
- Median resolution
  
  —
- Longest incident
  
  —
View status page →

Uptime over time

Availability across windows

Window	Apsis Pro	Letter
Last 24 hours	100.00%	100.00%
Last 7 days	100.00%	100.00%
Last 30 days	100.00%	100.00%
Last 90 days	100.00%	100.00%

Uptime is the share of each window with no incident open on the provider's official status page. Δ is percentage-point difference (Apsis Pro minus Letter). Higher is better.

Incidents 90-day

Severity breakdown

Apsis Pro

0 total

0 major 0 minor
- Median resolution
  
  —
- Longest incident
  
  —
Letter

0 total

0 major 0 minor
- Median resolution
  
  —
- Longest incident
  
  —

Recent activity

Last 5 incidents, side-by-side

Apsis Pro
- Jul 17, 2025
  
  Degraded performance of Forms created in Form Builder
  
  5h 12m
  
  Major
- Jul 14, 2025
  
  APSIS Pro Marketing Automation temporarily down
  
  < 1m
  
  Minor
- Feb 10, 2025
  
  Pro MA flows not processing data.
  
  2d 4h 16m
  
  Minor
- Jul 19, 2024
  
  Potential service degradation in SMS service
  
  8h 33m
  
  Minor
- Mar 11, 2024
  
  Issues with tracking visits for Apsis Lead
  
  20h 21m
  
  Major
View all incidents →
Letter

No incidents on record.