TAP. TRACK. THRIVE.
KeeperOS
Built by a hognose breeder, so the genetics go deep in one species rather than shallow across eight.
Snake keeping at collection scale is its own discipline. The animals eat on a cycle rather than daily, they refuse for reasons that are usually fine and occasionally not, they live in arranged racks rather than individually admired vivariums, and the ones you pair carry genetics you have to reason about before you commit a season to them. Generic pet software gets none of that shape right, because it was built for animals that eat every day and live in one tank.
The genetics part is where most reptile apps make a choice, and most choose breadth: a trait library spanning eight or ten popular species, one layer deep each. That is the right call for a mixed collection and the wrong one if you are serious about a single species, where the questions get specific fast — does this name mean the same thing the seller meant, what are the real odds on this pairing, did this clutch just prove a het I was unsure about.
KeeperOS made the other choice. The morph engine covers Western Hognose only, and covers it properly, because that is the species the person building it keeps.
The collection lives as a room. Racks and enclosures are arranged on a wall the way they physically sit, and care, feeding and weighing happen by tapping the tub rather than by finding a record. Feeding is handled as a round down the rack, with refusal runs and size-up hints raised as they appear.
The genetics are the depth. 319 curated Western Hognose morph records, with 185 slug aliases so the name on a seller's listing resolves to the same morph as the name in your head. Pairing odds return the offspring distribution before you pair, clutch results are scored against what was predicted, and hets you were carrying as suspected are confirmed from actual offspring rather than asserted.
The season attaches to those same snakes: projects to hold your intended pairings, clutches with laid dates, egg counts and candle status, and incubator temperature tracked as a series over time. Hatchlings enter the collection with the clutch as their origin, so their care log starts immediately and their growth sits next to their parents'.
Selling is part of the record. A MorphMarket export puts your listings in a shape that platform accepts, animal transfers move a record into the buyer's own account with a permanent origin ID and a frozen snapshot, and printable certificates and batch transfer labels cover a table at a show.
For the parts of snake keeping that are not breeding: brumation and hibernaculum tracking, weights with growth curves against feeding and shed events, a printable crisis packet for a vet visit, and sitter and vet handoffs for the weeks you are not there.
If you are weighing the breeding side specifically — how a season is modelled from pairing through candling to hatch — that is set out on the breeding software page rather than repeated here.
For ball pythons, the free Ball Python genetics calculator covers 12 source-checked traits (Albino, Piebald, Clown, Lavender Albino, Ultramel, Pastel, Enchi, Orange Dream, and Yellow Belly, Gravel, Specter and Asphalt on one shared locus) with the odds for every outcome. It stands alone: nothing entered there is saved to your collection.
Two products overlap this closely enough to be worth reading about: ReptiDex, which carries hognose in an eight-species genetics library and ships multi-user access today, and SnekLog, which is genuinely free with no paid tier at all. Both comparisons are on our comparisons page, and neither is written to make us look good.
Actively built: 47 dated updates since June 2026, most recently Choose which KeeperOS emails you get on Oct 2. See everything that has shipped →
Any of them for husbandry, racks, feeding, weights, pairings, clutches and incubation. Collection-linked morph and pairing odds cover Western Hognose. Free standalone Ball Python and Corn Snake calculators also model supported confirmed genotypes; those calculations are not saved to your animals or clutches.
Western Hognose, Ball Python and Corn Snake have free calculators. The collection-linked morph engine remains Western Hognose, with 319 curated morph records, alias handling, pairing odds and proven-het discovery. The standalone calculators publish their own supported traits and limitations.
Yes, and most keepers here start that way. Racks, feeding rounds, weights and care profiles are the base product. The breeding module attaches to the same animals if and when you want it, with nothing to migrate.
Yes — brumation and hibernaculum tracking are built in, which matters for hognose and for anyone cycling animals ahead of a season.
A transfer moves the record into their own KeeperOS account with a permanent origin ID and a frozen snapshot at handover, and per-field toggles for what you share. There are printable certificates, and batch transfer labels on letter or 4x6 thermal for a show table.
Yes, at any time, including a MorphMarket-shaped export. Your records are yours; a product that makes leaving hard is telling you something about its confidence.
The demo needs no signup. The free tier needs no card, and we don't sell your data.