Spike
An email client that transforms email into a real-time, chat-like interface with AI assistance.
Our editorial assessment, based on the public sources listed below. Last reviewed .
- Task rank
- #43
- Tier
- B
- Score
- 62.9
Strengths
- Features "Spike Magic AI" to help craft messages and create summaries.
- Conversational email format makes communication more efficient and less formal.
- Offers a free forever plan that includes access to its smart inbox and AI.
Considerations
- The chat-like interface may not be suitable for all professional contexts.
- AI features may be less advanced than dedicated AI-first clients.
Price
Free forever plan available
Shown for reference — price is not part of the score.
Score breakdown
- Performance
- 64.0
- 55% of score
- Reputation
- 62.0
- 35% of score
- Recency
- 60.0
- 10% of score
The overall score combines these sub-scores using the weights shown. How we score →
Verification status
Each field carries its own re-verification date. Amber means older than 90 days — treat those figures as stale until re-checked.
- Pricing
- Benchmark
- Reputation
- Feature list
Checked against the sources listed below.
Sources
- Spike Homepage (opens in a new tab)Accessed:
- alfred - Best AI email assistants 2026 (opens in a new tab)Accessed:
- Best AI Email Tools In 2026: Top Picks Tested And Compared | Revoyant (opens in a new tab)Accessed:
- Best AI Email Tools (2026) — Independent Reviews & Rankings (opens in a new tab)Accessed:
- G2 - 9 Best Free Email Client Platforms for 2026 (opens in a new tab)Accessed:
Alternatives in Email
- #1SuperhumanAScore 84.8High-velocity email experience featuring instant AI-powered replies and thread summarization.
- #2ShortwaveAScore 82.9AI-first email client that categorizes, summarizes, and schedules messages like a personal assistant.
- #42EllieBScore 64.4Browser extension that learns your writing style and drafts replies across Gmail and Fastmail.