Otto Mail vs Spark Mail: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Otto Mail and Spark Mail side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Spark Mail leads on lower entry price. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Otto Mail
Gmail and Outlook, with an assistant that asks first
Best for you if:
- • People who live in Gmail or Outlook and want mail, calendar and to-dos in one app with an assistant that asks before acting
Spark Mail
Smart inbox and team collaboration for effortless email management
Best for you if:
- • You want smart inbox
| At a Glance | Otto Mail | Spark Mail |
|---|---|---|
Starts at | Free plan, paid from $6.99/mo, billed monthly Plus plan | Free plan, paid from $4.99/mo, billed monthly Premium plan |
Category | Email Clients AI Assistants | Productivity Communication |
Rating | n/a | 4.5/5 G2 4.5 61 reviews |
Free plan | Yes | Yes |
Choose Otto Mail or Spark Mail?
Choose Otto Mail if
- People who live in Gmail or Outlook and want mail, calendar and to-dos in one app with an assistant that asks before acting
- You want gmail and Outlook, with an assistant that asks first
- You work in email clients, not productivity
Choose Spark Mail if
- You want smart inbox
- You want team features
- Budget matters ($4.99/mo, billed monthly vs $6.99/mo, billed monthly)
- You work in productivity, not email clients
In-Depth Analysis
Otto Mail
Gmail and Outlook, with an assistant that asks first
Key features
Spark Mail
Smart inbox and team collaboration for effortless email management
Spark Mail's pricing is quite fair, offering a robust Free tier for personal use and a competitive Premium tier at $4.99/month for individuals.
Strengths
- Pro: Smart inbox
- Pro: Team features
- Pro: Cross-platform
Weaknesses
- Con: Privacy concerns past
- Con: Limited integrations
Key features
Plans and prices: Otto Mail vs Spark Mail
| Tool | Plans and prices | Source |
|---|---|---|
| Otto Mail |
| ottomail.app/pricing read Nov 2, 2026 |
| Spark Mail |
| sparkmailapp.com/pricing |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Otto Mail pricing and Spark Mail pricing.
Key Takeaways
Otto Mail
- Choose if you want gmail and Outlook, with an assistant that asks first
Spark Mail
- Lower entry price: $4.99/mo, billed monthly vs $6.99/mo, billed monthly
What the data shows
On the data below, Spark Mail leads on lower entry price. We do not name an overall winner for this pair.
- Only Spark Mail has a published user rating (4.5/5 from 61 reviews); Otto Mail has none we can show.
- Spark Mail has the lower entry price: $4.99/mo, billed monthly (Premium) against $6.99/mo, billed monthly (Plus) for Otto Mail.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Otto Mail and Spark Mail compare in 2026?
On the data below, Spark Mail leads on lower entry price. We do not name an overall winner for this pair. Only Spark Mail has a published user rating (4.5/5 from 61 reviews); Otto Mail has none we can show. Spark Mail has the lower entry price: $4.99/mo, billed monthly (Premium) against $6.99/mo, billed monthly (Plus) for Otto Mail. Both have a free plan.
What are Otto Mail and Spark Mail used for?
Otto Mail: Gmail and Outlook, with an assistant that asks first. Spark Mail: Smart inbox and team collaboration for effortless email management.
What does Otto Mail cost vs Spark Mail?
Otto Mail's cheapest paid plan is Plus at $6.99/mo, billed monthly; it also has a free plan. Spark Mail's cheapest paid plan is Premium at $4.99/mo, billed monthly; it also has a free plan. Prices read on the vendors' pricing pages, latest check Nov 2, 2026.
What's the main difference between Otto Mail and Spark Mail?
Otto Mail focuses on gmail and Outlook, with an assistant that asks first. Spark Mail's main strength: smart inbox.