Your working page
Budget your watch list
Try your own inputs. This worksheet stays in your browser and does not save selections or change orders.
- Free · 0 rules6 rules over capacity
- Plus · 10 rulesThis hypothetical list fits
- Pro · 20 rulesThis hypothetical list fits
- Max · 50 rulesThis hypothetical list fits
Assumes every configuration at every selected store. Your account may use a smaller, selective set of pairs. This does not activate any alerts.
Build a reachable list before counting alert rules
Start with your normal movements: home, work, school and journeys you already make. A store close to your commute may be easier to use than one that looks closer to home but takes a difficult detour. Write down which branches you could reach on a weekday and which would require a weekend trip. This makes a stock notification a usable opportunity instead of another reminder that a device exists somewhere you cannot go.
Do not choose a large radius simply because the interface allows it. Each additional store adds another place whose address, opening arrangements and travel cost you may need to evaluate. A concise list is easier to maintain when your schedule changes. The right number is personal: two reachable stores can be a better plan than ten distant ones, while a frequent traveler may have several genuinely convenient locations.
Count exact choices, not product names
An alert rule is a particular store and a particular configuration. If you want one model in two colors and one capacity at three stores, that is six store-configuration pairs. If you also accept a second capacity in both colors, the same three stores require twelve pairs. The multiplication is simple, but it is easy to underestimate when a selection interface displays stores and product choices in separate steps.
Only multiply colors by capacities when every combination is acceptable. You might accept the smaller capacity in either color but the larger capacity in only one. That is three configurations, not four. Enter the number of exact configurations in this calculator after making that list. It estimates a rectangular watch list in which every selected store gets every selected configuration; your actual account may use a more selective mix.
Separate saved preferences from active coverage
A saved preference records what you want. An active alert requires an eligible subscription, a running rule within the plan allowance and a working notification setup. Those are related but different states. ShelfSpring's current plan capacities are supplied to the tool from the same plan definitions used by the application. The numbers are rule allowances, not an unrestricted count of stores or a promise that every saved item is being monitored for alerts.
If your desired list exceeds the allowance, decide which pairs matter most and review their status in your account. Removing a configuration you would never buy may be more useful than increasing a plan. The calculator does not read your account and cannot tell which particular rules are running. After editing a real watch list, use the account's current status as the authority rather than assuming that the arithmetic alone has activated anything.
Choose breadth deliberately
There are two different ways to broaden a search. Geographic breadth adds stores for the same phone. Configuration breadth accepts different phones at the same stores. The first may add travel; the second may add compromises in color, storage or price. Decide which kind of flexibility is genuinely cheap for you. If your preferred configuration is essential, spend the available coverage on reachable stores rather than alternatives you will ignore.
If location matters more, keep the store list short and compare acceptable configurations there. Neither strategy guarantees earlier availability. Stock across nearby stores can be correlated, and several configurations may appear in the same update. Counting more pairs does not justify calculating a percentage increase in your chances. ShelfSpring does not have a model that turns watch-list size into a reliable probability of getting a phone.
Use a two-tier list when your schedule changes
A useful planning worksheet has everyday stores and occasional-trip stores. Everyday locations are those you could collect from without rearranging the day. Occasional locations need a specific free afternoon, a planned journey or another person's help. Keep those categories in your own notes and review your actual watch list when availability to travel changes. The calculator is a scratchpad, so it will not automatically pause or rearrange account rules.
For example, four stores with two configurations make eight pairs. Adding two weekend-only stores takes that to twelve if both configurations are watched everywhere. You might instead keep eight pairs and make one occasional store a manual check. This is an example of workload budgeting, not a recommendation to miss a particular store or a claim that paid alerts are necessary to browse public availability.
Audit the list after a purchase or a change of plans
A watch list should shrink when it stops serving a purpose. After buying a phone, review running alerts and any subscription you no longer need. If you change your preferred capacity, remove old choices deliberately rather than simply appending new ones. If you move or travel, check that your selected stores still match where you can collect. These small updates reduce distracting signals and make remaining alerts easier to act on.
Also check notification permissions on the device you expect to use. A carefully budgeted list is not useful if the device cannot display alerts. Avoid interpreting silence as proof that no stock appeared: the list, plan status, inventory observations and delivery channel each contribute. Use ShelfSpring's current stock pages for browsing and your account for configuration; this public worksheet is here to help you choose the size of the task.
Your next-step checklist
- List reachable stores for your real schedule.
- Count exact acceptable configurations.
- Multiply stores by configurations, or count selected pairs individually.
- Review running rules in your account after making changes.
Questions before you commit
Do ten alert rules mean ten stores?
Only if you track one exact configuration at each store. Five stores with two configurations also use ten rules. Different combinations can consume the same allowance while covering quite different buying preferences.
Does a larger plan make the stock feed faster?
No. ShelfSpring plans change the number of alert rules available. They use the same shared stock feed. The calculator compares capacity, not a faster collection schedule or a guaranteed notification arrival time.
Will the calculator add stores to my account?
No. It is a local planning tool with no account changes. Use its total as a guide, then review your selections and running status in the account interface. Reloading this page resets the worksheet.
Sources and worksheet assumptions
Collection instructions and the ready-notification requirement: Apple US shipping and delivery help. Order status and available changes: Apple US order help. Follow the current instructions for your own order.
The planning methods are ShelfSpring editorial guidance. Calculator values are your inputs, not measured demand, route estimates or a prediction of stock. Rule capacities come from ShelfSpring’s current plan definitions. Examples are hypothetical and do not save preferences.