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Where to find it: OTO PACK → Inventory → Bin Inventory — Open in OTO ↗
Every inventory system drifts. Goods get moved without a scan, a box is damaged and set aside, a keyed quantity has a digit too many. Counting is how the record is pulled back to the truth — and how you find out which of those things is happening.

Counting in the app

Count is an action in the OTO PACK app, reached from Menu → Count; the screen itself is titled Stock Count. It belongs to OTO PACK Advanced with bin tracking, and it is available on the mobile app only — which makes sense, because a count happens standing in front of a shelf.
The Stock Count screen in OTO PACK

Fig. 1 — Three fields and one instruction. The counter is told what to do before they are asked for anything: “Please Scan Bin Location & SKU”.

Then Add records the line, and the center button — labelled COMPLETE on this screen — commits the count. That is what adjusts the bin to the entered quantity and logs any excess or shortfall into the Adjustment Bin. Cancel abandons the line. Everything clears after COMPLETE and the counter starts the next bin and SKU. Scanning rather than typing is worth the habit: a count entered against the wrong SKU corrects one number by breaking another.
Bin first, then product — the same order as pickingThe instruction is to scan the bin before the SKU, which is the sequence the pick screen uses too. Establishing the location first means a count can never be attributed to the wrong shelf, however similar two aisles look.The consistency is the useful part: a warehouse worker who has learned one screen has learned the other.
Set up an Adjustment Bin firstAn Adjustment bin is a prerequisite, not an option. It is where the difference goes: items found beyond the recorded quantity are moved into it, and shortfalls are deducted and logged against it.That is what keeps a count honest. Without somewhere for the discrepancy to live, correcting a bin simply erases the evidence that anything was ever wrong — and the pattern that would have told you why disappears with it.

What to count, and how often

A full stocktake stops the warehouse. Cycle counting does the same work continuously, a slice at a time, and the slice can be chosen two ways.
Count what moves, not what is easyCounting the whole warehouse equally spends the same effort on the pallet that has not moved in a year as on the pick face that turns over daily. Discrepancies come from movement, so a rotation weighted towards fast-moving and high-value lines finds more error per hour counted — and the slow stock still gets its turn on the location rotation.

Blind counts

In a blind count the counter is not shown the expected quantity. They report what they see, and the system compares afterwards. The reason is human rather than technical. A counter who can see “48” on the screen and counts 47 will very reasonably assume they miscounted and enter 48 — and the discrepancy that was trying to surface goes back under. Hiding the expectation is what makes the count evidence rather than confirmation.
The tradeBlind counts are slower, because a genuine miscount is not caught on the spot and has to be recounted. That cost is worth paying on the lines where you actually need to trust the number, and often not worth it on a routine sweep. It is a decision per count programme, not a setting to turn on everywhere and forget.

Damaged and expired stock

Stock that exists but cannot be sold is a different problem from stock that is missing, and it is handled by moving it rather than deleting it. Units that are damaged, expired or awaiting inspection go into bins that do not feed available inventory — Non Sellable, Return or Storage / QC. The effect is immediate and commercial: the moment a unit is moved into one of those bins, your storefronts stop offering it, because sync is quoting availability rather than physical stock. Nobody has to remember to adjust a second number. It also keeps the write-off honest. The goods are still counted, still findable and still attributable to whoever set them aside, until someone decides to dispose of them through an outbound inventory order. See Inbound and putaway for the bin types.

After the count

Counts are only worth the walking if what they find gets read. Two places to look: Once a count has been done thoroughly, Equal On Hand Inventory to Bin Inventory on the Inventory screen brings the warehouse total into line with the bins you have just verified.