CosplayMp3 vs SpoolKeep
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CosplayMp3
Wirelessly trigger custom sound effects for cosplay projects using Bluetooth. This free utility allows you to load and play up to four sound files with a single controller, enhancing your costumes without bulky equipment.
- Wireless Bluetooth sound triggering
- Trigger up to 4 custom sound files
- Use with off-the-shelf Bluetooth controllers
- No ads or in-app purchases
- Enhance cosplay costumes with audio
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Get rid of bulky, restrictive wires and battery packs. Bring your project to life with discrete Bluetooth sound triggers. Trigger up to 9 custom sound files using a single off-the-shelf Bluetooth controller. Just download your sound files to your device and trigger them using discrete, wireless Bluetooth buttons. Our free application works with many readily available, inexpensive, off-the-shelf Bluetooth controllers. NO ads. NO in-app purchases. NO sign-up form. It's just a utility.
SpoolKeep
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Simple 3D Printing Filament Spools Management Forget complex spreadsheets and bloated apps! SpoolKeep focuses on what matters to efficiently manage your filament collection. ALSO AVAILABLE ON MAC: • Same Apple ID? Your data syncs automatically via iCloud • Premium already purchased on iPhone? It works on Mac too — no need to buy it twice! • Seamless experience across all your Apple devices FREE VERSION - LIMITED TO 10 SPOOLS: • Perfect for getting started • All features included • Upgrade anytime to unlock unlimited spools PREMIUM UPGRADE - ONE-TIME PURCHASE: • Unlock unlimited spools (no recurring fees) • Single purchase, lifetime access • Shared across your iPhone and Mac • Perfect for serious 3D printing enthusiasts SIMPLE AND EFFECTIVE: • Clean, intuitive interface • Instant familiarity • No unnecessary features • Everything you actually need, nothing more THE ESSENTIALS, WELL DESIGNED: • Catalog your spools (PLA, PETG, ABS, TPU...) • Track your inventory in just a few taps • Find your filaments quickly • Add photos for instant identification • Easily spot started spools PRACTICAL AND FLEXIBLE: • Smart suggestions to avoid repetitive typing • Simple sorting by family, brand, type, or custom • Quick search • Data export/import and report
Screenshots
Verdict
The clearest difference is in-app purchases: CosplayMp3 at none against SpoolKeep's 1. CosplayMp3 also leads on update cadence (every 6 days vs every 2 months) and device support (3 vs 1). On price and ads 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
Both are free to download. SpoolKeep sells 1 one-off in-app purchase. CosplayMp3 asks for nothing beyond the download.
CosplayMp3 ships an update every 6 days, SpoolKeep every 2 months. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.
| Parameter | CosplayMp3 | SpoolKeep |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 6 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 17 |
| Further details — not scored | ||
| Size | 6 MB | 3 MB |
| Age rating | 17+ | 4+ |
| Developer | Alexander Fong | Claude-Alain Muller |
In-app purchases
CosplayMp3
No in-app purchases
SpoolKeep
- SpoolKeep Premium$1.99
