Spend Academy of Industry ingots on the constraint that repeatedly delays your town. Faster production is valuable when a factory is busy and you can use its output. An extra shelf is valuable when finished goods need somewhere to wait. Coin and XP upgrades serve different goals; neither fixes a missing ingredient.
The useful question is not “Which factory should everyone upgrade first?” It is “Which next upgrade will remove the most waiting from the way I actually play?”
Know what an Academy upgrade changes
The Academy of Industry unlocks at town level 22 and uses ingots for upgrades. Its factory improvements cover four different attributes: production time, finished-product shelves, coins from selling factory goods at the Helicopter Pad, and experience earned from producing goods. Progression also limits which improvements are available at each stage; you cannot keep raising only one attribute indefinitely.
Academy upgrade rules
Playrix explains factory attributes and upgrade progression.
Read Academy guideKeep the effects separate. A shelf is not a shorter recipe. More XP is not more goods. The factory coin improvement is not a blanket bonus to every sale you make elsewhere in town.
Factory construction is a separate requirement. Some factories need a particular town level and enough population, and production cannot begin unless all of a product’s ingredients are available. An Academy upgrade does not bypass those conditions.
Factory requirements and ingredients
Review the building and ingredient conditions that an upgrade does not bypass.
Read factory helpFind the delay before spending ingots
For a few normal play sessions, notice why an important order waits. You do not need a spreadsheet of every product; write down the repeated obstacle.
| What keeps happening | Likely constraint | First response to compare |
|---|---|---|
| Ingredients are ready, but the same busy factory is still processing | Production time | A time upgrade at that factory |
| The factory is frequently idle because an ingredient is missing | Supply | Improve ingredient preparation before buying more speed |
| You want to leave more completed items at the factory | Finished-product space | A shelf upgrade |
| Goods are ready, but your planned building purchase is short of coins | Income | A coin-oriented plan using the orders you actually fulfil |
| You want faster town-level progress and can support the resulting activity | Experience | An XP improvement |
| You return to an empty or unsuitable queue | Scheduling | Set up work that fits the time until your next visit |
A factory can have more than one constraint, but fix the one that is limiting the current cycle. Buying speed while repeatedly missing inputs treats the symptom rather than the cause.
Trace a delayed product backwards. Does it need something from another factory? Does that input compete with several other products? If one ingredient repeatedly holds up different orders, its supplier may be a better candidate than the factory making the final item.
Compare minutes saved over the work you really do
A long recipe does not automatically make its factory the best upgrade target. Frequency matters.
Here is a hypothetical comparison. These are example production times and upgrade effects, not a price list or a claim about a specific Township recipe.
| Candidate | Time before | Time after | Runs you actually make per day | Daily processing time saved |
|---|---|---|---|---|
| Frequently used factory | 40 minutes | 36 minutes | 6 | 24 minutes |
| Occasionally used factory | 120 minutes | 108 minutes | 1 | 12 minutes |
Use this calculation:
Time saved per completed run × the number of runs you realistically make.
The longer recipe saves more each time, but the frequently used factory saves twice as much processing time in this example. That makes it a stronger time-upgrade candidate if the two upgrade paths have comparable cost and both factories have enough ingredients.
Do not count theoretical runs that your schedule cannot support. If you normally make one batch and leave it until the next day, multiplying the saving by nonstop production exaggerates the benefit.
Also distinguish processing time saved from time you personally get back. A product finishing ten minutes earlier does not help an order you will not collect until several hours later. It helps when the earlier completion lets you start the next useful action sooner.
A worked production cycle shows why inputs matter
Suppose an order needs a product with the following hypothetical cycle:
- Wait 30 minutes for its final missing ingredient.
- Produce the item for 60 minutes.
- Collect it when you return to the game.
Ignoring the collection delay, the order takes 90 minutes. An upgrade that changes the processing step from 60 to 54 minutes reduces that to 84 minutes—not 81, because the 30-minute ingredient wait did not change.
Now compare a planning improvement: have the ingredient ready before you start. With the original 60-minute processing time, the cycle takes 60 minutes. That saves 30 minutes without claiming that the factory itself became faster.
| Version of the cycle | Ingredient wait | Processing | Total before collection |
|---|---|---|---|
| Original situation | 30 minutes | 60 minutes | 90 minutes |
| Faster final factory only | 30 minutes | 54 minutes | 84 minutes |
| Ingredient ready, original factory | 0 minutes | 60 minutes | 60 minutes |
| Ingredient ready and faster factory | 0 minutes | 54 minutes | 54 minutes |
The two improvements can work together, but they solve different problems. If missing ingredients are your usual delay, start with supply planning. If ingredients are already ready and the factory stays busy, the time upgrade becomes easier to justify.
For a chain involving two factories, avoid adding every recipe time together automatically. Work that can happen in parallel is different from work that must wait for an earlier ingredient. Identify the step that actually determines when the next item can start.
Choose shelves when you need a buffer for completed goods
A shelf improvement gives finished products more room to wait at that factory. Use it when you want a small ready reserve without immediately collecting every completed item.
That can be useful for a player who prepares goods before leaving and collects them in a later session. It can also help keep frequently needed finished items ready while you work on other orders. The benefit is flexibility, not a faster production timer.
Do not confuse finished-product shelves with the input side of production. If your problem is that you did not arrange enough work before going offline, an extra place for completed goods does not choose or supply that work for you.
Compare shelves and time with your visit pattern:
- If you actively collect and restart work throughout a session, a shorter processing time may be easy to use.
- If you leave finished products waiting between visits, extra finished-product space may fit your routine better.
- If ingredients run out before either matters, resolve that first.
This is why “always time” and “always shelves” are both incomplete advice. The right next step depends on what keeps the factory from serving your orders.
Decide between coins and XP using your next goal
Coin and XP choices are especially important when your preferred production improvement is not the next available option.
If you are saving for a purchase and regularly fill Helicopter Pad orders using that factory’s goods, a coin improvement fits a concrete goal. If you rarely send those goods through that channel, do not value the upgrade as though every item you produce will earn its coin benefit.
XP is appropriate when faster level progress is something you actually want. It is not a substitute for production capacity or an ingredient supply. If your town already has more unfinished plans than you can comfortably fund, another XP improvement may be less useful to you than a coin-focused step.
Neither choice needs to become a permanent rule. Choose the available step that serves your current goal while moving toward the next production or shelf improvement you want.
Budget for the useful destination rather than one cheap level
A low-cost upgrade is not automatically efficient. If the benefit you want requires several levels, compare the entire route to that benefit.
For example, suppose two candidate plans use the same kind of ingot:
| Hypothetical plan | Immediate step | Further prerequisite steps | Total to the intended benefit |
|---|---|---|---|
| Factory A | 4 ingots | 6 ingots | 10 ingots |
| Factory B | 7 ingots | None | 7 ingots |
Factory A looks cheaper if you inspect only the first click. Factory B is cheaper to the stated goal. Real upgrades can require a mixture of ingot types, so compare each required type separately rather than treating every ingot as interchangeable.
Use a short reservation plan:
- Choose one production goal and one backup candidate.
- Add up the remaining ingots for the path to each useful improvement.
- Reserve the scarce type for the higher-priority path.
- Smelt what closes that gap rather than producing a balanced pile with no destination.
- Reconsider the backup only when its benefit genuinely outweighs delaying the first goal.
The Foundry converts ore into ingots. Ore and clay have separate Mine storage rather than occupying Barn space, so a full Barn is not a reason to assume your ore itself must be sold or cleared.
Once you use the Port, ingots also compete with ship loading: they can improve the chance of additional goods and chests, but do not guarantee every rare item. Decide whether a particular voyage is worth delaying the permanent upgrade you are funding. Do not automatically attach your reserved ingots to every ship.
What not to upgrade first
Avoid these tempting but weak starting points:
| Temptation | Why it can disappoint | Better comparison |
|---|---|---|
| The newest factory simply because it is new | It may not yet carry much of your daily workload | The factory that repeatedly delays useful orders |
| The longest single recipe | It may be produced rarely | Minutes saved across your actual runs |
| Every factory evenly | Ingots become scattered across unfinished goals | One complete, useful upgrade path |
| More speed at an ingredient-starved factory | It waits faster rather than producing more | The missing input or its preparation |
| A coin upgrade for goods you rarely send by helicopter | The benefit does not match your usual use | A factory whose output goes through that channel |
| XP solely because the number is larger | A bigger number does not fix a production delay | The attribute tied to your next goal |
You also do not have to finish upgrading a factory before helping another one. Reassess after the improvement that removes its current bottleneck. The next ingots may do more elsewhere.
A simple next-upgrade decision
Choose a factory you use often. Name the obstacle in one sentence: “I am waiting for processing,” “I need finished-product space,” “I need more coins from these orders,” or “I want faster level progress.”
Then identify the next reachable improvement that addresses it, including any prerequisite steps. Compare that full cost with one alternative. Fund the winner and observe whether the original delay happens less often over your normal play sessions.
A good Academy plan is not the largest collection of upgraded stars. It is a town where the goods you need are ready more reliably, and where scarce ingots are helping the next useful action happen sooner.
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