Data verified September 27, 2026
GMass vs Instantly
GMass is cheaper at entry level for one seat (cheapest paid plan): $29.95 per month against $47. GMass wins 2 of our 8 comparison points, Instantly wins 1, 1 is a tie.
Data verified · Sources: GMass pricing, Instantly pricing, Methodology
Verdict
Who wins, point by point
| Dimension | GMass | Instantly | Winner |
|---|---|---|---|
| Cheapest paid plan for 1 seat (per month) | $29.95 (Standard, billed monthly) | $47 (Growth (Outreach), billed monthly) | GMass |
| Cheapest paid plan for 5 seats (per month) | $149.75 (Standard, billed monthly) | $97 (Hypergrowth (Outreach), billed monthly) | Instantly |
| Free plan | Not published | No | Not comparable |
| Email sender limit | Not published | 100 per workspace (Terms of Service; the pricing page says Unlimited) | Not comparable |
| Warmup included | Not published | Every connected sender on every Outreach plan; daily warmup volume not published; advanced warmup on Hypergrowth and up | Not comparable |
| Email verification | Included | Not in Outreach plans: 0.25 credits per lead via a Credits plan (from $9/mo for 600 checks); bundles include credits | GMass |
| CRM | Not published | Separate CRM plan: $47/mo (Growth CRM) or $97/mo (Hyper CRM) | Not comparable |
| G2 rating | 4.8 (1,265 reviews, 2026-02-01) | 4.8 (4,063 reviews, 2026-04-22) | Tie |
The differences
What the numbers say
For 1 seat, GMass's cheapest paid plan costs $29.95 per month against $47.
For 5 seats, Instantly's cheapest paid plan costs $97 per month against $149.75.
GMass includes email verification in its plans; Instantly sells it separately (not in Outreach plans: 0.25 credits per lead via a Credits plan (from $9/mo for 600 checks); bundles include credits).
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
Instantly: 7 plans
| Growth (Outreach) | Hypergrowth (Outreach) | Light Speed (Outreach) | Enterprise (Outreach) | Starter (Bundle) | Scale (Bundle) | Agency (Bundle) | |
|---|---|---|---|---|---|---|---|
| Price, billed monthly | $47/mo | $97/mo | $358/mo | Custom | $94/mo | $194/mo | $555/mo |
| Price, billed annually (per month) | $37.60/mo | $77.60/mo | $286.30/mo | Custom | $85/mo | $175/mo | $500/mo |
| Email sender limit | 100 per workspace1 | 100 per workspace1 | 100 per workspace1 | 100 per workspace1 | 100 per workspace1 | 100 per workspace1 | 100 per workspace1 |
| Warmup: accounts warmed at once | Every connected sender (max 100) | Every connected sender (max 100) | Every connected sender (max 100) | Every connected sender (max 100) | Every connected sender (max 100) | Every connected sender (max 100) | Every connected sender (max 100) |
| Warmup: emails per account per day | Not published2 | Not published2 | Not published2 | Not published2 | Not published2 | Not published2 | Not published2 |
| Premium or advanced warmup pool | No3 | Yes3 | Yes3 | Yes3 | No3 | Yes3 | Yes3 |
| Emails per month | 5,000 | 100,000 (the monthly-billing card says 125,000) | 500,000 | 500,000+ (custom) | 5,000 | 100,000 (the monthly-billing card says 125,000) | 500,000 |
| Contacts you can upload (total) | 1,000 uploaded (total, not per month) | 25,000 uploaded (total, not per month) | 100,000 uploaded (total, not per month) | 100,000+ (custom) | 1,000 uploaded (total, not per month) | 25,000 uploaded (total, not per month) | 100,000 uploaded (total, not per month) |
| Email verifications per month | Not included: 0.25 Instantly credits per lead, bought on a Credits plan (from $9/mo for 150 credits = 600 checks) | Not included: 0.25 Instantly credits per lead, bought on a Credits plan (from $9/mo for 150 credits = 600 checks) | Not included: 0.25 Instantly credits per lead, bought on a Credits plan (from $9/mo for 150 credits = 600 checks) | Not included: 0.25 Instantly credits per lead, bought on a Credits plan (from $9/mo for 150 credits = 600 checks) | Up to 6,000 (1,500 bundled credits at 0.25 per check, shared with lead search) | Up to 20,000 (5,000 bundled credits at 0.25 per check, shared with lead search) | Up to 40,000 (10,000 bundled credits at 0.25 per check, shared with lead search) |
| Lead-search credits per month | None (separate Credits plan) | None (separate Credits plan) | None (separate Credits plan) | None (separate Credits plan) | 1,500 | 5,000 | 10,000 |
| CRM | Not included: separate CRM plan, $47/mo (Growth CRM) or $97/mo (Hyper CRM) | Not included: separate CRM plan, $47/mo (Growth CRM) or $97/mo (Hyper CRM) | Not included: separate CRM plan, $47/mo (Growth CRM) or $97/mo (Hyper CRM) | Not included: separate CRM plan, $47/mo (Growth CRM) or $97/mo (Hyper CRM) | Not included: separate CRM plan, $47/mo (Growth CRM) or $97/mo (Hyper CRM) | Not included: separate CRM plan, $47/mo (Growth CRM) or $97/mo (Hyper CRM) | Not included: separate CRM plan, $47/mo (Growth CRM) or $97/mo (Hyper CRM) |
| Team seats | No team invites3 | Team invites included (seat count not published)3 | Team invites included (seat count not published)3 | Team invites included (seat count not published)3 | No team invites3 | Team invites included (seat count not published)3 | Team invites included (seat count not published)3 |
| Unibox (shared reply inbox) | No3 | Yes3 | Yes3 | Yes3 | No3 | Yes3 | Yes3 |
| A/B testing | No3 | Yes3 | Yes3 | Yes3 | No3 | Yes3 | Yes3 |
| API and webhooks | No3 | Yes3 | Yes3 | Yes3 | No3 | Yes3 | Yes3 |
- The pricing page says “Unlimited Email Accounts”; the Terms of Service cap connected accounts at 100 per workspace, and each workspace is billed separately.
- No per-plan cap is published; you set it per account. Slow Ramp starts at 2 warmup emails a day and adds 2 a day.
- Pricing-page feature grid: icon on Hypergrowth only.
- Terms cap: Terms of Service §2.2: at most 100 connected email accounts per workspace, although the pricing page advertises unlimited email accounts. Source
Sold separately:
- Nano credits (verification): $9/mo. 150 credits a month; verification costs 0.25 credits per lead, so up to 600 checks if spent only on verification. Source
- Growth credits (verification): $47/mo. 1,500 credits a month; verification costs 0.25 credits per lead, so up to 6,000 checks if spent only on verification. Source
- Growth credits 2 (verification): $77/mo. 2,000 credits a month; verification costs 0.25 credits per lead, so up to 8,000 checks if spent only on verification. Source
- Supersonic credits (verification): $97/mo. 5,000 credits a month; verification costs 0.25 credits per lead, so up to 20,000 checks if spent only on verification. Source
- Supersonic credits 2 (verification): $147/mo. 7,500 credits a month; verification costs 0.25 credits per lead, so up to 30,000 checks if spent only on verification. Source
- Hyper credits (verification): $197/mo. 10,000 credits a month; verification costs 0.25 credits per lead, so up to 40,000 checks if spent only on verification. Source
- Hyper credits 2 (verification): $300/mo. 20,000 credits a month; verification costs 0.25 credits per lead, so up to 80,000 checks if spent only on verification. Source
- Hyper credits 3 (verification): $500/mo. 45,000 credits a month; verification costs 0.25 credits per lead, so up to 180,000 checks if spent only on verification. Source
- Hyper credits 4 (verification): $997/mo. 100,000 credits a month; verification costs 0.25 credits per lead, so up to 400,000 checks if spent only on verification. Source
- Growth CRM (crm): $47/mo. Unlimited seats, flat fee. Source
- Hyper CRM (crm): $97/mo. Unlimited seats, flat fee. Source
- Email Outreach Add-on (volume): $87/mo. Available on Hyper Growth and Light Speed only. Source
- Growth (Instantly Credits): $47/mo (1500-2000 Instantly Credits Monthly, Database of 450M+ B2B Leads)
- Supersonic (Instantly Credits): $97/mo (5000-7500 Instantly Credits Monthly, Everything in Growth)
- Hyper Credits (Instantly Credits): $197/mo (10K-200K Instantly Credits Monthly, Everything in Growth)
- Enterprise (Instantly Credits): custom pricing (200 000+ Instantly Credits Monthly, Everything in Growth)
- VIP (managed service): custom pricing (AI Sales Agent Setup, AI Inbox Manager Setup)
Sources: instantly.ai/pricing, instantly.ai/terms, instantly.ai/email-warmup, help.instantly.ai/en/articles/10273259-instantly-plans-overview, help.instantly.ai/en/articles/6514690-how-to-verify-leads
When to pick which
Pick GMass if…
- Its pricing page targets Gmail users, which Instantly's does not.
- It wins on cheapest paid plan for 1 seat (per month), email verification.
Pick Instantly if…
- Its pricing page targets agencies, small teams, high-volume sending, which GMass's does not.
- It wins on cheapest paid plan for 5 seats (per month).
You ask, we answer
Common questions
Is GMass cheaper than Instantly?
Yes at entry level: $29.95 vs $47 per month for one seat.
How much warmup do GMass and Instantly include?
GMass: not published. Instantly: every connected sender on every Outreach plan; daily warmup volume not published; advanced warmup on Hypergrowth and up.
How many email senders can I connect to GMass or Instantly?
GMass: not published. Instantly: 100 per workspace (Terms of Service; the pricing page says Unlimited).
Do GMass and Instantly include email verification?
GMass: included. Instantly: not in Outreach plans: 0.25 credits per lead via a Credits plan (from $9/mo for 600 checks); bundles include credits.
Do GMass and Instantly have a built-in CRM?
GMass: not published. Instantly: separate CRM plan: $47/mo (Growth CRM) or $97/mo (Hyper CRM).
Which is rated higher on G2, GMass or Instantly?
GMass: 4.8 (1,265 reviews, 2026-02-01). Instantly: 4.8 (4,063 reviews, 2026-04-22).