Data verified September 25, 2026
GMass vs Mailshake
Mailshake is cheaper at entry level for one seat (cheapest paid plan): $29 per month against $29.95. GMass wins 1 of our 8 comparison points, Mailshake wins 2, 1 is a tie.
Data verified · Sources: GMass pricing, Mailshake pricing, Methodology
Verdict
Who wins, point by point
| Dimension | GMass | Mailshake | Winner |
|---|---|---|---|
| Cheapest paid plan for 1 seat (per month) | $29.95 (Standard, billed monthly) | $29 (Starter, billed monthly) | Mailshake |
| Cheapest paid plan for 5 seats (per month) | $149.75 (Standard, billed monthly) | $145 (Starter, billed monthly) | Mailshake |
| Free plan | Not published | Not published | Not comparable |
| Email sender limit | Not published | Unlimited | Not comparable |
| Warmup included | Not published | Yes | Not comparable |
| Email verification | Included | Included | Tie |
| CRM | Not published | Not published | Not comparable |
| G2 rating | 4.8 (1,265 reviews, 2026-02-01) | 4.7 (373 reviews, 2026-06-20) | GMass |
The differences
What the numbers say
For 1 seat, Mailshake's cheapest paid plan costs $29 per month against $29.95.
For 5 seats, Mailshake's cheapest paid plan costs $145 per month against $149.75.
GMass rates 4.8 on G2 against 4.7.
We cannot compare free plan, email sender limit, warmup included, CRM, because at least one of the two vendors does not publish it.
Every plan
Plan by plan, side by side
GMass: 8 plans
| Standard | Premium | Professional | Team (Premium, 5 users) | Team (Premium, 10 users) | Team (Premium, 25 users) | Team (Premium, 50 users) | Team (Premium, 100 users) | |
|---|---|---|---|---|---|---|---|---|
| Price, billed monthly | $29.95/mo | $39.95/mo | $59.95/mo | $175/mo | $295/mo | $725/mo | $1,350/mo | $2,200/mo |
| Price, billed annually (per month) | $20/mo | $29/mo | $49/mo | $145/mo | $245/mo | $604/mo | $1,125/mo | $1,833/mo |
| Emails per month | Unlimited | Unlimited | Unlimited | Unlimited | Unlimited | Unlimited | Unlimited | Unlimited |
| Team seats | 1 | 1 | 1 | 5 | 10 | 25 | 50 | 100 |
Sources: www.gmass.co/pricing
Mailshake: 4 plans
| Starter | Email Outreach | Sales Engagement | Agency Plan | |
|---|---|---|---|---|
| Price, billed monthly | $29/mo | $49/mo | $99/mo | Custom |
| Price, billed annually (per month) | $25/mo | $45/mo | $85/mo | Custom |
| Email sender limit | 1 | 2 | 10 | Unlimited |
| Warmup: accounts warmed at once | Yes | Yes | Yes | Yes |
| Emails per month | 1,500 | Unlimited | Unlimited | Unlimited |
| Unibox (shared reply inbox) | No | Yes | Yes | Yes |
Sources: mailshake.com/pricing/
When to pick which
Pick GMass if…
- Its pricing page targets Gmail users, which Mailshake's does not.
- It wins on G2 rating.
Pick Mailshake if…
- Its pricing page targets B2B sales teams, agencies, which GMass's does not.
- It wins on cheapest paid plan for 1 seat (per month), cheapest paid plan for 5 seats (per month).
You ask, we answer
Common questions
Is GMass cheaper than Mailshake?
No. Mailshake is cheaper at entry level: $29 vs $29.95 per month for one seat.
How much warmup do GMass and Mailshake include?
GMass: not published. Mailshake: yes.
How many email senders can I connect to GMass or Mailshake?
GMass: not published. Mailshake: unlimited.
Do GMass and Mailshake include email verification?
GMass: included. Mailshake: included.
Do GMass and Mailshake have a built-in CRM?
GMass: not published. Mailshake: not published.
Which is rated higher on G2, GMass or Mailshake?
GMass: 4.8 (1,265 reviews, 2026-02-01). Mailshake: 4.7 (373 reviews, 2026-06-20).