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THE RACK is ball-python breeding software and says so plainly. KeeperOS is multi-species reptile husbandry and breeding, with unlimited animals on every tier including Free, and everything organized around the room you stand in.
THE RACK positions itself as facility management software for ball python breeders, and its own FAQ answers the question "is this only for ball pythons?" with yes. That is a clear, defensible position and it makes the comparison unusually simple: if ball pythons are all you keep and all you plan to keep, they built the product for exactly you.
KeeperOS is multi-species by construction. The care vocabulary, the rack and tub layouts, the feeder sizing and the species defaults are built to differ by species, which is why the room works the same whether the tub holds a hognose, a gecko or a boa — and why a mixed collection does not need two apps.
KeeperOS is one product across keeping and breeding. The animal you logged feedings for as a single pet keeps its whole history on the day you pair it, so growing into a breeding project is a change of tier, not a change of tool.
| KeeperOS | THE RACK | |
|---|---|---|
| Species scope | Any reptile you keep, with species-specific care defaults, feeder sizing and growth rules. The morph and pairing-odds engine covers western hognose today, with more species in progress. | Ball pythons only, by their own stated scope. |
| Published pricing | Free with unlimited animals · $6/mo KeeperOS Pro for collection-level tools · $15/mo BreederOS Pro for the full breeding operation. Annual is two months free. No paid add-ons — everything in a tier is in the tier. | Free (5 animals) · $10/mo (500 animals) · $20/mo (unlimited), with several capabilities sold as separate one-time add-ons at $29–$79 each. |
| How you log care | A visual map of your actual room — racks, tubs and enclosures laid out as they physically sit, tapped directly. Session rounds work a whole rack in one pass, with fill, water and condition tabs. | Record-first. Their public materials describe printed QR bin tags scanned by phone camera to reach an animal. |
| Feeder stock | A stock ledger joined to actual feeding demand, restock by packs with per-unit cost, and a 120-day burn-down with a projected run-out date. | A feeding cost projector and a supply room of purchase links. |
| Handing an animal to a buyer | A transfer moves the record into the buyer's own account under their own login, with a permanent origin id, a frozen snapshot and per-field share toggles. Their copy is theirs; your history stays yours. | A hosted QR report-card page for the animal. |
| Ads | None, on any tier, ever. | No ads stated. |
Actively built: 47 dated updates since June 2026, most recently Choose which KeeperOS emails you get on Oct 2. See everything that has shipped →
Their own FAQ says it is for ball pythons. If your collection is mixed, or you expect it to be, that scope is the deciding factor rather than any individual feature.
Their published tiers are $10/mo for up to 500 animals and $20/mo for unlimited, with several capabilities sold as one-time add-ons between $29 and $79. KeeperOS has no animal cap on any tier — Free included — with $6/mo for collection-level tools and $15/mo for the full breeding operation, and no add-on purchases. Their prices as published July 2026.
Both, in one product, which is the point. Care logging, racks and growth tracking are the base; pairings, clutches, incubation and sales attach to the same animals when you are ready for them.
The demo needs no signup. The free tier needs no card, and we don't sell your data.
THE RACK pricing, tiers and stated species scope as published July 2026, taken from their public pages. We describe their product using their own positioning and make no claims about how well their features work.