# Spoolstock vs Dapple Authenticator

The clearest difference is rating: Dapple Authenticator at 5.0 against Spoolstock's 4.5. Dapple Authenticator also leads on in-app purchases (none vs 2). Spoolstock's advantage is ratings volume (115 vs 2) and update cadence (weekly vs monthly). On price and ads there is nothing between them.

Both are free to download. Spoolstock sells 2 in-app purchases, starting at $1.99 per month. Dapple Authenticator asks for nothing beyond the download.

Dapple Authenticator holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Spoolstock has 115 ratings behind it against 2, so its average is the more settled of the two.

Spoolstock ships an update weekly, Dapple Authenticator monthly. The most recent releases landed on October 18, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Spoolstock | Dapple Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (115 ratings)](https://appshunter.io/ios/app/spoolstock-3d-printing-hub/id6480470069/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/dapple-authenticator/id6737246154/reviews)** |
| Number of ratings | **115** | 2 |
| Positive reviews | 48.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Freemium | **Free** |
| Size | 90 MB | 81 MB |
| Requires iOS | **15.0.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pixel Bus, LLC](https://appshunter.io/developer/1473462961) | [Dapple Security Inc](https://appshunter.io/developer/1775547603) |

## What reviewers say

### Spoolstock

[App page](https://appshunter.io/ios/app/spoolstock-3d-printing-hub/id6480470069)

Manage your 3D printing materials and projects with this app. Track filament inventory, monitor print progress, and gain insights into your usage. Syncs across devices and offers smart tracking for remaining filament.

**Highlights:** Filament inventory management, QR/barcode scanning, Intelligent filament tracking, Multi-material print tracking, Depletion notifications, Usage statistics, Multi-device cloud syncing

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Maker Monthly | $1.99 | per month |
| Maker Yearly | $19.99 | per year |

**What reviewers like**

- 👍 Great for filament inventory
- 👍 Tracks filament usage
- 👍 Helps manage large spool collections
- 👍 Time-saver for organization
- 👍 Useful for accounting/cost tracking

**What reviewers complain about**

- 🐛 App crashes frequently
- 🐛 Login issues/data loss
- 🐛 NFC scanning not working
- 🐛 Barcode/QR code scanning issues
- 🐛 Filament database lacking entries

**Reported bugs**

- Most filaments missing in database
- NFC does not work
- Log in and data GONE after update
- Password reset does nothing
- CSV export doesn't work

**Requested features**

- Link app to slicer for project import
- One-time payment option instead of subscription
- Show total print time for a project
- Allow offline use
- Document filament drying


### Dapple Authenticator

[App page](https://appshunter.io/ios/app/dapple-authenticator/id6737246154)

This app is a FIDO-compliant passkey manager that uses unique biometric methods to generate and secure your passkeys. It ensures you never lose access to your accounts without storing sensitive biometric data or syncing to the cloud. Enjoy cross-platform compatibility and enterprise management options.

**Highlights:** FIDO-compliant passkey management, Patent-pending biometric passkey generation, No cloud sync for passkeys, Biometric data not stored, Cross-platform compatibility, Enterprise management features

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spoolstock free?

Spoolstock is free to download, with in-app purchases available.

### Is Dapple Authenticator free?

Dapple Authenticator is free to download, with no in-app purchases.

### Which has better reviews, Spoolstock or Dapple Authenticator?

Dapple Authenticator is rated higher. Spoolstock averages 4.5 out of 5 from 115 ratings, while Dapple Authenticator averages 5.0 from 2 ratings.

### Do Spoolstock or Dapple Authenticator have ads?

Neither Spoolstock nor Dapple Authenticator shows ads.

### Which is updated more often, Spoolstock or Dapple Authenticator?

Spoolstock ships an update weekly, and Dapple Authenticator monthly. Most recently, Spoolstock was updated on October 18, 2026 and Dapple Authenticator on October 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*