SpoolKeep vs SoloPlan
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
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 ā 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
SoloPlan
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SoloPlan is a personal project management app for iPhone, iPad, and Mac. Organize your work across boards, projects, and columns ā with a Kanban board, a grouped list view, and a smart agenda that keeps you focused on what matters next. ORGANIZE YOUR WAY Structure work into boards and projects, each with custom columns. Switch between Kanban and list view at any time. Drag and drop tasks between columns, reorder them in a list, or collapse columns to reduce noise. TASKS THAT GO DEEPER Every issue supports sub-tasks with individual due dates and time estimates. Track progress with a built-in timer, set priorities from Urgent to Low, add color labels, write Markdown notes, and link related issues with blocks / blocked-by / relates-to relations. SMART VIEWS ACROSS ALL YOUR WORK ⢠What's Next ā a cross-board agenda sorted by due date and priority; overdue tasks flagged, running timers pinned at the top ⢠Timeline ā milestone tracking across all projects ⢠Time Report ā logged time per issue for each project ⢠Global Search ā find any project, issue, or sub-task across all boards instantly YOUR DATA STAYS YOURS SoloPlan syncs privately via iCloud across all your Apple devices. Your data lives in your personal iCloud account ā not on any third-party server. IMPORT & EXPORT ⢠Import from Microsoft Planner (.xlsx) ⢠Import and export via CSV ā compatible with Excel, Numbers, and Google Sheets ⢠Spotlight Search: find issues without even opening the app ⢠Deep links open any issue directly from other apps WIDGET & NOTIFICATIONS A home screen widget shows today's due and overdue tasks at a glance. Local notifications remind you of upcoming deadlines ā for both issues and sub-tasks. MULTIPLAN ā COLLABORATE WITH OTHERS One-time purchase. No subscription. Share any project with a link ā anyone with access can join and edit in real time. Family Sharing included. -------------------- What's new? -------------------- Version 1.3 Ā· Reliable project sharing (MultiPlan) Ā· Shared projects now sync with everyone you invite Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: SoloPlan at every 3 weeks against SpoolKeep's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. SpoolKeep sells 1 one-off in-app purchase and SoloPlan sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
SpoolKeep ships an update every 2 months, SoloPlan every 3 weeks. Both last shipped on September 19, 2026.
| Parameter | SpoolKeep | SoloPlan |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 3 weeks ā better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPad ā better |
| Requires iOS | 17 | 17.0 |
| Further details ā not scored | ||
| Size | 3 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Claude-Alain Muller | . MARKUS I. FRICKE |
In-app purchases
SpoolKeep
- SpoolKeep Premium$1.99
SoloPlan
- MultiPlan$4.99
Questions
Is SpoolKeep free?
Is SoloPlan free?
Do SpoolKeep or SoloPlan have ads?
Which is updated more often, SpoolKeep or SoloPlan?
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