• Guide for BOI (Wiki) 1
  • Guide for BOI (Wiki) 2

Guide for BOI (Wiki)

This app is NOT the game. This app is a reference guide for Rebirth and Afterbirth, and is not in any way associated with or endorsed by Edmund or Nicalis. This app contains all the item, enemy, and boss information that can be tedious to memorize. Can't remember what that one tarot card does? Just look it up in this app.
Quickly find all the info you need about the game Guide for BOI: Rebirth and Afterbirth. Includes a pickup search where you can rapidly find the detailed info about the items you encounter.

This guide shows you comprehensive information about:


- Items (with information Afterbirth)
- Trinkets (with information Afterbirth)
- Cards (with information Afterbirth)
- Achievements (with information Afterbirth)
- Seeds (with information Afterbirth)
- Pills (with information Afterbirth)
- Monsters (with information Afterbirth)
- Characters (with information Afterbirth)
- Bosses (with information Afterbirth)
- Objects (Machines, Beggars, Obstacles and Chests)
- Rooms
- Challenges (with information Afterbirth)
- Transformations (with information Afterbirth)
- Floors (with information Afterbirth)

*Different visualization modes (icon, simple list, detailed list)

*Ability to apply multiple filters to the item list:
- Type (Active or Passive)
- Sub type (Tear modifier, Familiar or Orbital)
- Pool type (Angel Room, Beggar, Boss Room, Challenge Room, Curse Room... )

Category : Books & Reference

Related searches

Reviews (21)

Nic. H. Dec 21, 2018     

Great reference book for Isaac. It allows you to see all items/trinkets/cards, etc. and what they do, tells you how to unlock items/achievements, etc. However, it lacks a big feature: the ability to "hide" achievements/items you've already unlocked, or at least the ability to filter them. You can mark them as unlocked, but it doesn't really do anything. Just makes it so, when you go to view the achievement/item, you can see you have it already, which is kind of pointless. Otherwise, I love it!

Ron. S. Mar 12, 2020     

This is an amazing resource for anyone who plays The Binding of Isaac. I personally downloaded it for a checklist of my achievements. Which leads me to my only negative issue. When you check off an achievement there is no way to know that you've already achieved it without clicking each individual achievement. Otherwise this app is absolutely amazing. I really wish the dev would come back and fix the achievements though.

Ash. H. Mar 15, 2020     

This is such a handy guide. No idea what the Dice Room is gonna do if you step on the center platform? It can tell you! No clue which items or challenges you've collected and unlocked? You can tag them as you unlock them in real time, and each page covers (in order) every item in the game. Hey, why the heck do you keep teleporting to different rooms when you use your item? If you're carrying the broken teleporter (or any trinket, really) you can look that up, too. Really well done app. 10/10.

Shi. S. Apr 5, 2021     

It's very useful for those who've started playing Binding of Isaac for the first time. I know I had to refer to this multiple times and I still do. Helps with figuring which items match well with others. I'm currently playing on the Switch version, which still hasn't gotten the Repentance update like the PC version, but it should be updated later on this year. It would be great if the guide gets updated by then or sooner for those who are on PC.

Ste. H. Aug 15, 2019     

astounding work, devs! I only recently started playing (Switch) and up until my buddy pointed this app out, I had been using two website resources. One was much easier to search through (tiled, 6-items wide items listing), but was about 4 booster packs behind, meaning not all items are listed, and had no way to reoeganize the list (especially chromatically, excellent idea, dev team!) The second resource I used was up to date, but was unsearchable unless you knew the name (defeats purpose).

Ban. Mar 22, 2019     

So I finished afterbirth and wanted to mark all the items from afterbirth as collected. I don't know if I'm just doing it wrong or if the app is just buggy. Other than that it generally has a lot of useful information but I would like if it had a bit more on certain topics, for example the sacrafice room has almost no useful information on it. Another thing that I would suggest adding something about item synergies. Other than that it is a very useful app.

Nic. T. Sep 21, 2020     

Really good guide that allows you to search from items in your selected version by icon or item name. It's really intuitive and easy to use. Just unlocked the void as Apollyon because I searched what an item did instead of just using void. Thanks! Edit: 5 to 4 stars after noticing that filtering is broken and once you open the filter icon (in items at least) you cannot close the pop-up menu and must restart app.

Art. Apr 24, 2020     

Pretty awesome, has all info, I would however like to see an item/trinket color filter mode as some items are hard to find and I have to scroll through the list for days, for example Acid tears bottle is light green, switch filter to green for easier identification but still not subtracting stars as it does have EVERYTHING

The. W. W. Jun 8, 2021     

As a player who has been playing since 2018, this guide is exceptionally great for everything the game has to offer. I haven't found any incorrect information or anything that is out of place that makes this guide useless. This shows all items, trinkets and so much more. If anyone was having trouble, I would highly recommend this guide, simple to use and tells everything in great detail. Absolutely 5 Stars!

mrb. Apr 18, 2021     

The option to see the items as pictures is really useful as most wikis i have found on here only gives the option to scroll through all the items which takes lots of times when you don't know what the item is called. Very good app, highly recommended.

A. P. Aug 30, 2019     

So useful I paid to remove the ads. The ability to sort items by their item pool is an awesome feature I've not seen in similar apps. If you're still learning what the items do or have trouble remembering them, I cant recommend this app enough

Tan. Apr 30, 2020     

Does exactly what you want it to. It's easy to navigate, there's very few ads and perhaps best of all it requires no Wi-Fi to use. It also gives you the option to filter out expansion content, making it so easy to find what you're looking for. This is a must have TBOI companion.

Don. F. Feb 7, 2020     

Works great. While it's free and I have no room to complain about functionality whatsoever; it would be nice to have a "things a character unlocks" list, and a more concise way to see how to unlock characters.

Dav. M. Feb 29, 2020     

It's pretty useful for looking up stuff while you play, but there's no easy way to see what you still need to unlock without checking each entry individually. If this was fixed, it would be much more useful. I still use it a lot though. Thanks for making it!

Cro. N. Jan 26, 2019     

i love this app. its intuitive, easy to use; the only reasons its not 5 stars are the 2 things that would make it truly exceptipnal: Firstly, mark the items you start the game with as "Unlocked" already. Secondly, add the item synergies like the Wiki has. once you add those features, i will have no reason to use the wiki and will always use this app. thanks for your development and time 💚

Jos. S. Apr 7, 2021     

This has been a great resource for learning the game and various items, bosses, rooms and floors. I only started playing recently after watching someone play it on YouTube. Having all the info neatly arranged to pull up as needed is great!

Dec. R. Sep 28, 2019     

Works perfectly! No issues! I kind of wish it saved your last style of view but that's just a personal preference, and might even be a setting somewhere that I'm missing

mal. Aug 11, 2021     

this is great! if you are new to TBOI this is good for you. The only inconvenience is that there is no repentence YET, but i play afterbirth plus on switch so it doesnt really matter to me ¯\_(ツ)_/¯ i would reccomend this because its much better than googling what items do in spesific versions! You just have it all there!

Jos. M. Feb 14, 2020     

Perfect, I use this all of the time. Worth paying to remove ads, which I will do as soon as I fix payment issues. Meanwhile the ads are not common or very intrusive at all. Great app.

Dev. B. Sep 29, 2021     

Love the app. Love the sorting features and the way it works. I have been using it forever. I'm really sad to say that I have to give it 4 stars instead of 5 for not having repentance stuff yet. I'll change my review when the app is updated. If there is any way I can help with the app, I would love to. Edit: I am a programmer and currently trying to learn app development. I will eventually be making a version of this app with steam workshop mod support if possible.

So. R. Nov 23, 2019     

As a veteran Isaac player of several years, I was blown away by how well put together this guide was. Best Isaac guide I've ever seen. It has anything and everything you could possibly want. Much quicker than looking an item or an enemy up online. If you play BOI on a regular basis, I would very strongly recommend downloading this guide, I can't praise it enough. Incredible job. 5*