Comparison

Instant Armory vs GM Library

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Instant Armory

Create custom arms, armor, and equipment for fantasy tabletop RPGs with a vast library of hand-drawn art. Record descriptions and stats, then roll dice within the app or print physical cards for your games.

Highlights
  • Design custom fantasy equipment
  • Extensive hand-drawn art library
  • Record descriptions and stats
  • In-app dice rolling
  • Printable equipment cards
Features
Read full description

Instant Armory allows you to design weapons, armor, and equipment for fantasy tabletop roleplaying games, such as Dungeons & Dragons or Pathfinder, using a myriad of hand-drawn art. Record a description and stats, and roll dice directly in-app or print equipment cards for use at the table.

About

GM Library

Features
Read full description

Elevate your Dungeons & Dragons experience with GM Library, the ultimate resource for Game Masters on iPhone, iPad, and MacOS. Whether you’re running a classic D&D 5e (2014 edition) campaign or diving into the expanded mechanics of Level Up Advanced 5e, this app puts a wealth of content at your fingertips. What’s Inside? - Monsters Galore: Explore detailed stat blocks for creatures like the Adult Blue Dragon (CR 16) or the Owlbear (CR 3), complete with abilities, actions, and legendary traits. - Spells for Every Caster: Access a full library of spells, from Acid Arrow to Zone of Truth, with clear details on casting, components, and effects. - Treasures to Reward Heroes: Discover magical items like the Boots of Speed (Rare Wondrous Item) or Amulet of the Planes (Very Rare), including costs, attunement requirements, and effects. Dual System Support: Seamlessly switch between D&D 5e (2014) and Level Up Advanced 5e content, plus WotC 2014 resources, all in one place. Why Choose GM Library? - Instant Access: No more flipping through rulebooks—find what you need in seconds with an intuitive list-based interface. - Multi-Platform: Built for iPhone, iPad, and MacOS, so you can prep your sessions anywhere, anytime. - Detailed & Organized: Every entry is meticulously formatted for quick reference during gameplay, with icons for key mechanics like concentration, rituals, attunement, and legendary traits. - Search & Navigate: Use the built-in search to locate specific monsters, spells, or treasures instantly. Whether you’re a seasoned Dungeon Master or just starting your first campaign, GM Library streamlines your prep and keeps your sessions running smoothly. Download now and bring your D&D adventures to life! Note: This app is a fan-made tool and uses content from the D&D 5e SRD and Level Up Advanced 5e under their respective licensing agreements.

Screenshots

Instant Armory4 screens
GM Library4 screens

Verdict

The call

The clearest difference is price: Instant Armory at Free against GM Library's $1.99. Instant Armory also leads on iOS requirement (15.0 vs 18.2). GM Library's advantage is in-app purchases (none vs 7). On ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Instant Armory is free to download; GM Library costs $1.99 up front. Instant Armory sells 7 one-off in-app purchases. GM Library asks for nothing beyond the download.

Scorecard3 real differences · 7 level
Instant Armory versus GM Library: the parameters behind the verdict, then further details
ParameterInstant ArmoryGM Library
PriceFree — better$1.99
Rating4.7 (251 ratings) — better—
Positive reviews84.9% of reviews—
Number of ratings251 — better—
Update frequencyFortnightly—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better18.2
Further details — not scored
Size151 MB8 MB
Age rating9+4+
DeveloperTrapStreet StudiosEduServe, Inc.

Bugs and requests

Instant Armory

Reported bugs

3 issues
  • Constant crashing
  • Cannot purchase items on cellular data
  • Unlock all features bug (resolved)

Requested features

13 requests
  • More shields with varied options
  • Add crossbows
  • Design bard instruments
  • More armor variants
  • More customization options
Show 8 more
  • More free coins/slots
  • Add more 'coming soon' weapons
  • Enchantments for free
  • More options without paying
  • Size slider for weapon pieces
  • Designated 'save' button
  • More color options
  • More weapon parts and colors

GM Library

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

Instant Armory

One-time7
  • 1 COIN$0.49
  • 5 COINS$1.99
  • 10 COINS$3.99
Show 4 more
  • Gift Unlock Content$7.99
  • Gift Unlock Everything$7.99
  • Unlock Content$9.99
  • Unlock Everything$9.99
None

GM Library

No in-app purchases

Questions

Is Instant Armory free?
Instant Armory is free to download, with in-app purchases available.
Is GM Library free?
GM Library costs $1.99, with no in-app purchases.
Do Instant Armory or GM Library have ads?
Neither Instant Armory nor GM Library shows ads.

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