Halo Time vs Spool Programmer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Halo Time
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Halo lets companies track their employee's time and get track of all the Jobs. It lets you add images, and documents to the app. Lets user track their hours and see the history of all the tracked time.
Spool Programmer
This app allows users to program RFID tags for 3D printing filament spools. It supports various filament types and spool sizes, offering features like reading existing tags, checking memory, and custom color selection. All processing is done on-device for privacy and security.
- Write filament data to NTAG215/216 tags
- 18 pre-configured filament profiles
- Read and verify existing tags
- Check tag status and memory
- Format tags for programming
- Custom color selection
- Support for various spool sizes
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Transform your 3D printing workflow with Spool Programmer, the essential tool for programming RFID tags on your filament spools. Whether you're using Anycubic printers or building your own filament management system, this app makes tag programming simple, fast, and reliable. POWERFUL FEATURES • Write complete filament data to NTAG215/216 tags in seconds • 18 pre-configured profiles covering all major filament types • Read existing tags to verify or clone configurations • Check tag status and memory layout • Format tags for fresh programming • Custom color selection with RGB sliders and 16 presets • Support for 500g, 1kg, and 2kg spool sizes • Configurable print temperatures (nozzle, bed, chamber) FILAMENT TYPES SUPPORTED PLA, PLA+, PLA Matte, PLA Silk, PETG, ABS, TPU, Nylon, ASA, PC, PVA, HIPS, and BVOH. Each profile includes optimized default temperatures that you can customize. INTUITIVE INTERFACE Beautiful card-based design that guides you through every step. Select your filament type, choose a color, adjust temperatures, and write—all in a clean, modern interface that follows Apple's design guidelines. SMART & SAFE • Automatic detection of write-protected tags • Clear error messages with helpful guidance • Validates tag compatibility before writing • Preview data before committing to tag • No account required, no tracking, no ads PERFECT FOR • Makers managing multiple filament spools • 3D printing enthusiasts with Anycubic printers • Anyone building custom filament management systems • Hackerspaces and makerspaces • Professional print farms TECHNICAL DETAILS Supports standard NTAG215 and NTAG216 NFC tags with 144-byte user memory. Uses the same data format as the ACE-RFID project, ensuring compatibility with existing ecosystems. All processing happens on-device—your data never leaves your iPhone. REQUIREMENTS iPhone 7 or later with NFC capability running iOS 16.0 or later. You'll need blank NTAG215 or NTAG216 tags (widely available online). Note: Pre-programmed manufacturer tags may be write-protected. FREE & OPEN Based on the community-driven ACE-RFID project. No subscriptions, no in-app purchases, no data collection. Built by makers, for makers. Start programming your filament tags today and take control of your 3D printing workflow!
Screenshots
Verdict
Halo Time and Spool Programmer are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
Halo Time ships an update weekly, Spool Programmer every 5 days. The most recent releases landed on September 24, 2026 and September 18, 2026 respectively.
| Parameter | Halo Time | Spool Programmer |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Weekly | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 81 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | US SAFETY TECHNOLOGIES LLC | Martin Bogomolni |
In-app purchases
Halo Time
No in-app purchases
Spool Programmer
No in-app purchases
Questions
Is Halo Time free?
Is Spool Programmer free?
Do Halo Time or Spool Programmer have ads?
Which is updated more often, Halo Time or Spool Programmer?
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