Binding of Isaac Shop Price Comparison
Fixed shop cent costs, from a 3 cent heart to the 600 cent donation goal. Pick any two.
Visual comparison
All values
Click any row to load it as Entry A.
| Name | Value | Context | Source |
|---|---|---|---|
| Red Heart Cheapest on this list. Discounted to 2c on sale. | 3 cents | Shop pickup | Isaac Wiki shop data: Red Heart 3c |
| Soul Heart Discounted to 3c on sale. | 5 cents | Shop pickup | Isaac Wiki shop data: Soul Heart 5c |
| Bomb Discounted to 3c on sale. | 5 cents | Shop pickup | Isaac Wiki shop data: Bomb 5c |
| Key The shop door itself costs one key. | 5 cents | Shop pickup, entry fee itself | Isaac Wiki shop data: Key 5c |
| Lil Battery Charge for six rooms of fun. | 5 cents | Shop pickup | Isaac Wiki shop data: Lil Battery 5c |
| Pill Good or bad trip included free. | 5 cents | Shop pickup | Isaac Wiki shop data: Pill 5c |
| Card Fortune or death, same price. | 5 cents | Shop pickup | Isaac Wiki shop data: Card 5c |
| Grab Bag Mystery premium over singles. | 7 cents | Repentance pickup sack | Isaac Wiki shop data: Grab Bag 7c |
| Special sale item Rare fixed ten cent goods. | 10 cents | Certain 10c items | IsaacGuru shop data: certain items sold for 10c |
| Shop item Discounted to 7c on sale. Three keys of value. | 15 cents | Any shop pool item | Isaac Wiki shop data: shop items 15c |
| Donation Machine level 1 First upgrade tier. | 20 cents | Shop upgrade goal | IsaacGuru shop data: donate 20c for level 1 |
| Donation Machine level 2 Twenty keys of progress. | 100 cents | Shop upgrade goal | IsaacGuru shop data: donate 100c for level 2 |
| Donation Machine level 3 Forty keys of progress. | 200 cents | Shop upgrade goal | IsaacGuru shop data: donate 200c for level 3 |
| Donation Machine level 4 Most expensive on this list. Forty shop items. | 600 cents | Final shop upgrade goal | IsaacGuru shop data: donate 600c for level 4 |
About this converter
The shopkeep charges in cents and never haggles. A Red Heart costs 3, Soul Hearts, bombs, keys, batteries, pills and cards cost 5 each, a Grab Bag 7, rare fixed goods 10 and any shop pool item 15. That means one shop item equals five Red Hearts or three keys, and the door fee itself is one key. The Donation Machine runs a second economy beside the shelves: 20 cents for level 1, 100 for level 2, 200 for level 3 and 600 for level 4. Every figure here is the base game price. Sales paint tags red and halve them, rounded down for items and up for pickups.
How to use it
Pick two prices and the unit in the top row. The three boxes below stay linked: one holds a count of the first price, one the matching count of the second, one the total in cents. Change any box and the other two update. Try 1 shop item against keys.
Greed Mode runs its own shop with the same cent logic and stays comparable. Devil deals cost hearts, not cents, and stay out. The key at the door means every shopping trip starts 5 cents in the hole.
FAQ
How much is a key?
5 cents, same as a bomb, pill or card. The shop door itself costs one key.
How much is a shop item?
15 cents, or 7 on sale. Three keys of value.
How much is a Red Heart?
3 cents, the cheapest pickup. Discounted to 2 on sale.
What does the Donation Machine cost?
20, 100, 200 and 600 cents across four upgrade levels.
Sources
- Isaac Wiki: Shop (pickup and item cent prices)
- IsaacGuru: Shop room (10c goods and 20 to 600c donation tiers)
- Isaac cheat sheet (Steam Sale halving cross-check)
Last verified: 2026-09-27 · 14 entries
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