Pick Folderly if
outbound and lifecycle teams who will pay per mailbox to keep a health score in view.
Read the Folderly pageOur take
Pick Folderly if you're on a outbound and lifecycle team who will pay per mailbox to keep a health score in view. Pick GlockApps if you're eSPs and lifecycle marketers who will run seed tests before a blast. Skip Folderly if you're a sender who only need a warmup pool inside the sender (Instantly) or a one-shot spam test without a health desk (GlockApps). Skip GlockApps if you're sDRs who only need warmup (Lemwarm)
Best for
Folderly Watch the inbox after you send
GlockApps See where this send landed
Free plan
Folderly $0 · / month (2 tests / month); Monthly $79 / month (100 tests); Yearly $799 (100 tests / month)
GlockApps $0 · / month. 2 spam-test credits; 10,000 DMARC messages; 5 uptime monitors; 1 user
Lowest paid
Folderly Folderly $96
GlockApps Essential $59
Next step up
Folderly
GlockApps Growth $99
Watch out
Folderly $96 is per mailbox / month
GlockApps Free is 2 tests
Last checked
Folderly 2026-10-28 · folderly.com/products
GlockApps 2026-10-28 · glockapps.com/pricing
outbound and lifecycle teams who will pay per mailbox to keep a health score in view.
Read the Folderly pageeSPs and lifecycle marketers who will run seed tests before a blast.
Read the GlockApps page