GlockApps alternatives
Providers that compete with GlockApps on at least one of: Deliverability
Inbox placement testing plus DMARC analytics.
Switching as early-stage startups
At an early stage the deciding factors are what the free tier actually covers, what the first paid invoice looks like, and how much of a founding engineer's week the setup costs. Feature depth that only matters at a million sends a month is noise until it is not.
GlockApps does not cover scheduling, SDK breadth, and webhook coverage. MailReach, TrulyInbox, and Warmy close that gap. The order below weighs this audience's priorities first, so it differs from a general popularity ranking.
ranked for early-stage startups
- 01
MailReach
DeliverabilityEmail warmup plus spam testing for outbound teams.
Adds scheduling and webhook coverage over GlockApps, with nothing given up on these priorities.
No permanent free plan published · $19.50/mailbox/mo shown in the published pricing calculator - 02
TrulyInbox
DeliverabilityWarmup priced by daily emails instead of connected accounts.
Adds scheduling over GlockApps, with nothing given up on these priorities.
Free forever for 1 account and 10 warmup emails/day · $29/mo monthly, or $22/mo billed annually for Starter - 03
Warmy
DeliverabilityEmail warmup and deliverability monitoring for sender reputation.
Adds scheduling over GlockApps, with nothing given up on these priorities.
7-day trial, no credit card, 1 mailbox, 15 to 50 seed emails/day · Paid plan pricing is not exposed in accessible official pricing docs - 04
Postmark DMARC
DeliverabilityFree weekly DMARC digests, plus a paid DMARC Digests upgrade.
Matches GlockApps on every priority weighed here, so the decision is price and preference.
Free weekly DMARC monitoring with top sources and 7 days of history · $14/mo per domain for DMARC Digests - 05
Mail-Tester
DeliverabilitySimple send-to-test-address spam score checks.
Matches GlockApps on every priority weighed here, so the decision is price and preference.
3 tests free within the last 24 hours via the web interface · $50 for 500 tests, or larger prepaid test packs - 06
EasyDMARC
DeliverabilityDMARC, SPF, DKIM, BIMI, and deliverability monitoring.
Matches GlockApps on every priority weighed here, so the decision is price and preference.
Free plan with 1 domain, 1,000 emails/mo, and 14 days of history · EUR 35.99/mo billed annually for Plus - 07
dmarcian
DeliverabilityDMARC management from one of the category specialists.
Matches GlockApps on every priority weighed here, so the decision is price and preference.
Personal plan for non-business use, up to 2 active domains and 1,250 DMARC-capable messages/mo · $24/mo for Basic, or $19.99/mo billed yearly - 08
MXToolbox
DeliverabilityBlacklist, DNS, DMARC, and delivery monitoring tools.
Matches GlockApps on every priority weighed here, so the decision is price and preference.
Free plan with 1 weekly blacklist monitor for 1 domain · $129/mo for Delivery Center with 5 domains and 500,000 message volume
GlockApps and its alternatives, side by side
Columns are the priorities early-stage startups weigh, in order. GlockApps is the first row so the trade in each direction is readable at a glance.
| Provider | Best published rate per 1,000 | DX score | Operating since | Scheduling | SDKs | Webhooks |
|---|---|---|---|---|---|---|
| GlockApps | Tiers not published in comparable form | 7/10 | Not published | No | None | No |
| MailReach | Tiers not published in comparable form | 7/10 | Not published | Yes | None | Yes |
| TrulyInbox | Tiers not published in comparable form | 7/10 | Not published | Yes | None | No |
| Warmy | Tiers not published in comparable form | 6/10 | Not published | Yes | None | No |
| Postmark DMARC | Tiers not published in comparable form | 8/10 | Not published | No | None | No |
| Mail-Tester | Tiers not published in comparable form | 8/10 | Not published | No | None | No |
| EasyDMARC | Tiers not published in comparable form | 7/10 | Not published | No | None | No |
| dmarcian | Tiers not published in comparable form | 7/10 | Not published | No | None | No |
| MXToolbox | Tiers not published in comparable form | 6/10 | Not published | No | None | No |
MailReach, TrulyInbox, and Warmy add capability without giving anything up on these priorities. The rest trade one thing for another.