kitio.aiSpark Mail vs MemStore
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Spark Mail has the lower starting price: about $10 a month, against $150 for MemStore.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Smart inbox
- Spark +AI writing
- Email summaries
- Gatekeeper for new senders
- Shared threads
- Check-in, record and recall tools
- Recall from teammates' stores
- Morning rollup emails
- GitHub and Fathom connections
- Claude chat import
| Feature | Spark Mail | MemStore |
|---|---|---|
| Best for | Smart email client with AI writing, summaries and team sharing | Shared memory for a team's AI agents through MCP |
| Category | Productivity | Productivity |
| Pricing model | Freemium | Free trial |
| Starting price | $10/mo | $150/mo |
| Free plan | Yes | No, trial available |
| Made by | Readdle | MemStore |
| Based in | Ukraine | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Spark Mail has the lower starting price: about $10 a month, against $150 for MemStore.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Free
Free
- Smart Inbox
- Unlimited email accounts
- Calendar
- 5 AI meeting notes (lifetime)
Plus
$10/mo
- Per user
- Spark +AI assistant
- 40 AI meeting notes/month
- Advanced productivity
Pro
$20/mo
- Per user
- Unlimited AI meeting notes
- Autopilot and auto-drafts
- Read statuses
Enterprise
Contact sales
- Security and controls
- Dedicated success manager
- 1:1 productivity coaching
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Spark Mail
- Works with any email provider
- Free plan for individuals
- Good team collaboration
- Mail passes through Spark servers
- Best AI features are paid
MemStore
- Answers carry their source
- Daily rollups help before standup
- Works with existing agents via MCP
- $150 per team member each month
- Trial is by application only
- Limited to teams of 10 or more
Which one should you choose?
Choose Spark Mail if you want:
- Works with any email provider
- Free plan for individuals
- Good team collaboration
Watch out: mail passes through spark servers.
Choose MemStore if you want:
- Answers carry their source
- Daily rollups help before standup
- Works with existing agents via MCP
Watch out: $150 per team member each month.
Spark Mail vs MemStore FAQ
What is the difference between Spark Mail and MemStore?
Spark Mail: Smart email client with AI writing, summaries and team sharing. MemStore: Shared memory for a team's AI agents through MCP. Both are productivity tools.
Is Spark Mail or MemStore cheaper?
Spark Mail has the lower starting price: about $10 a month, against $150 for MemStore.
Do Spark Mail and MemStore have free plans?
Spark Mail: Yes. MemStore: No, trial available.
Who makes Spark Mail?
Spark Mail is made by Readdle, based in Ukraine.
Who makes MemStore?
MemStore is made by MemStore.
Which should I choose, Spark Mail or MemStore?
Choose Spark Mail if you value works with any email provider and free plan for individuals. Choose MemStore if you value answers carry their source and daily rollups help before standup.