Comparison

E2 Explorer vs Spool Buddy

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

Head to head
About

E2 Explorer

Access and share your cloud files, including documents, images, and media. Stream content directly without needing to download it first. Offers background playback and AirPlay support for a seamless experience.

Highlights
  • Cloud file access
  • Direct media streaming
  • Background playback
  • AirPlay support
  • Secure connections
  • File sharing
Features
Read full description

Open and share your cloud documents, images and files. Play media files, direct streaming, no downloads. Native iOS player, AirPlay. Background playback. Apple certified secure connections. Terms of Service: https://www.enarmedia.com/terms

About

Spool Buddy

Effortlessly manage your 3D printing filament inventory. Track brands, colors, and usage with a simple, fast interface. Syncs seamlessly across Apple devices without requiring logins or network calls.

Highlights
  • iCloud syncing
  • No logins or network calls
  • Track brands, colors, and modifiers
  • Search and filter by properties
  • Usage and inventory tracking
  • Optimized for iOS and macOS
Features
Read full description

Filament tracking for 3D printing, without the fuss. Spool Buddy is a simple, fast filament inventory app made for hobbyists who want to know what filament they have, where it is, and how much is left — without accounts, subscriptions, tracking, or complicated setup. Add your filaments, organize them by brand, material, color, location, modifiers, and more. Track usage across one or multiple spools, keep drying logs, attach photos, archive old filament, and export or print your inventory when you need it. Spool Buddy syncs with iCloud, so your filament library stays up to date across iPhone, iPad, and Mac without creating an account. Features include: - Track filament inventory, usage, and remaining amounts - Multi-spool support for filaments - NFC reading and writing - iCloud sync with no logins - Photos for filament entries - Drying logs - Custom brands and materials - Detailed filament information, including colors, polymers, modifiers, fillers, and visual properties - Automatic color names and color family filtering - Support for gradients and complex filament colors - Filter by storage location, brand, color family, modifiers, and polymer - Sort by price, date added, color, brand, and name - Group by brand or material - Usage indicators at a glance - Archive filaments you no longer actively use - Export your inventory to CSV - Print your filament inventory - Optimized for iOS and macOS 26 - Small, fast, and designed to stay out of your way Spool Buddy is completely free to use. There are no subscriptions, no locked features, and no required purchases. In-app purchases are optional tips only, for people who want to support the app’s development. Made by an indie solo developer for people who just want a clean, useful way to manage their filament.

Screenshots

E2 Explorer4 screens
Spool Buddy4 screens

Verdict

The call

The clearest difference is review sentiment: Spool Buddy at 100% against E2 Explorer's 0%. Spool Buddy also leads on price (Free vs $7.99) and update cadence (every 2 weeks vs every 3 months). E2 Explorer's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement 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

Spool Buddy is free to download; E2 Explorer costs $7.99 up front. Spool Buddy sells 3 one-off in-app purchases. E2 Explorer asks for nothing beyond the download.

UpkeepUpdate frequency

E2 Explorer ships an update every 3 months, Spool Buddy every 2 weeks. The most recent releases landed on October 5, 2026 and September 24, 2026 respectively.

Scorecard5 real differences · 5 level
E2 Explorer versus Spool Buddy: the parameters behind the verdict, then further details
ParameterE2 ExplorerSpool Buddy
Price$7.99Free — better
Rating—4.3 (9 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings—9 — better
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, Mac, Apple TV — betteriPhone, iPad, Mac
Requires iOS18.0 — better18.2
Further details — not scored
Size6 MB8 MB
Age rating4+4+
DeveloperJose LealMartian Code Oy

Customer experience

E2 Explorer

Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Spool Buddy

All ratings9 ratings
Positive88.9%
Neutral0.0%
Negative11.1%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

E2 Explorer

No in-app purchases

3 purchases

Spool Buddy

One-time3
  • Small Tip$0.99
  • Medium Tip$2.99
  • Large Tip$4.99

Questions

Is E2 Explorer free?
E2 Explorer costs $7.99, with no in-app purchases.
Is Spool Buddy free?
Spool Buddy is free to download, with in-app purchases available.
Do E2 Explorer or Spool Buddy have ads?
Neither E2 Explorer nor Spool Buddy shows ads.
Which is updated more often, E2 Explorer or Spool Buddy?
E2 Explorer ships an update every 3 months, and Spool Buddy every 2 weeks. Most recently, E2 Explorer was updated on October 5, 2026 and Spool Buddy on September 24, 2026.

Other comparisons