The one decision that predicts the outcome
Device tier matters less than people expect. What predicts whether a month finishes is where the authority sits — who decides, when you would rather not.
Yourself
You keep your own key and rely on your own word. It is free, private, and completely reversible, which is exactly the problem: there is no moment at which anyone else notices. Self-kept commitments do not usually end in a decision. They end in a drift, and then a slightly embarrassed silence.
It works for people who already keep private commitments reliably and who want the practice to stay entirely internal. If that is not a description of you, choose one of the other two and save yourself three weeks.
A partner
Someone close holds the key. When it works it is the richest version — the practice becomes something shared rather than something managed. It works when the relationship already handles disagreement well and when both people actually want it, rather than one wanting it and the other agreeing.
Where it goes wrong is predictable. The keyholder ends up administering something they did not ask to administer. Or the roles bleed: a disagreement about the dishes acquires leverage it should never have had. Or the practice becomes a standing negotiation, which is exhausting for both. If you go this way, write down in advance what the keyholder may decide alone, what needs discussion, and — crucially — what the keyholder is allowed to hand back. A partner who cannot resign is not a keyholder, they are a hostage.
A coach or third-party keyholder
The authority sits outside the relationship. Someone whose role is exactly this holds the schedule, receives the proof, and decides what counts as a legitimate reason. It is the version with the best completion rate, for an unromantic reason: the commitment stops being a private promise and becomes an account someone else is keeping, and there is no relationship cost to the moment they say no.
It also puts the safety judgement with someone who is not inside the pressure. A partner may hesitate to end a month they know you wanted. A coach ends it and moves on, which is what you want on the day it matters.
What to ask for: a stated schedule, a defined list of legitimate removals, proof that is private by construction, and an explicit escalation route for medical or psychological trouble. If you cannot find those four things in writing, keep looking.
Both, in practice
The two are not exclusive, and the combination is often the best arrangement: the coach holds the mechanics, the schedule and the safety line, while a partner keeps whatever part of it is meaningful to the two of you. The administrative weight goes where it is nobody’s emotional burden.
Locktober 2026 is keyholding by a real team rather than an app — daily check-ins, an audit of the device before the month starts, and genuine reasons always heard. The Only Chastity continues it year-round.