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act101 vs Nightshift Watchdog

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

act101 compared with Nightshift Watchdog
Detailact101 logo act101 Nightshift Watchdog
What it doesQuality infrastructure for AI-written code with deterministic refactoring and a merge gate Dead-man's switch for AI agents and automations
StageStartup Not given
Founded2026 Not given
Based inUS US
Pricing modelFreemium Freemium
PricingBuilder Edition: Free forever for personal, non-commercial, and open-source use. Engineering Edition: $29/month or $299/year (save 14%). Architecture Edition: $59/month or $599/year (save 15%). Elite Edition: $99/month or $999/year (save 16%). Enterprise: Custom pricing, contact sales. All editions Free: 3 monitors, email alerts. Pro: $12/month with 25 monitors, Slack, Discord, Telegram alerts, and spend limits. Team: $39/month with 100 monitors, up to 10 people, same alerts and spend limits.
Key features
  • 182 AST-aware refactor operations for code transformation
  • 42 codebase analyzers for code analysis
  • Support for 163 programming grammars
  • Deterministic merge gate with signed receipts
  • MCP server and CLI interfaces
  • Cross-file import updates and automatic checkpointing
  • 10 cross-language porting operations
  • Instant undo for all operations
  • ~88% token savings on query operations
  • Native binary with zero dependencies and no supply chain risk
  • Monitors AI agents, n8n flows, Make scenarios, Zapier zaps, Claude Code hooks, GitHub Actions, and Vercel crons
  • Email alerts for silence and recovery on all plans
  • Slack, Discord, and Telegram alerts on Pro and Team plans
  • Runaway loop detection with spend limits
  • 14-day ping history and charts
  • Checks for missed pings every minute
  • Grace period configuration
  • Explicit failure pinging
  • Encrypted webhook URLs and bot tokens
  • Workspace collaboration on Team plan
What makes it different
  • Deterministic verdicts and signed receipts for every code change ensure reproducible quality gates
  • Built by engineer with decades of production experience in correctness-critical domains
  • Hosted service with no installation or scheduler setup required
  • Alerts within about a minute of job failure
  • Detects silent failures that don't throw errors
  • Spending caps and baseline anomaly detection
  • Built specifically for unattended overnight jobs and AI automations
Community votes00
DR (Domain Rating by Ahrefs)27 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)80
Citation Flow (Majestic)310
Referring domains (Majestic)1820

6 details filled in for both companies.

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