KilnLink vs SPAI Vault
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KilnLink
Monitor and manage multiple kilns remotely. Check firing status and stay connected to your equipment from anywhere, ensuring peace of mind during operation.
- Connect to multiple kilns
- Check kiln firing status remotely
- Real-time monitoring
- Backend API infrastructure updates
- Password reset fix
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Stay connected to your kiln ON THE GO! KilnLink allows you to connect to multiple kilns so you can check their status as they are firing. Features of version 2.0.2: - Updated for backend API infrastructure updates - Fix for reset password problem Requires: - A Skutt KilnMaster-Touchscreen (KMT or GMT) controller - Wi-Fi connection for each kiln - Data connection for your mobile device
SPAI Vault
Securely store and manage important personal documents like passports and IDs on your device. Scan documents quickly, set expiration reminders, and keep everything organized in one private place.
- Secure document vault
- Scan documents in seconds
- Expiration date reminders
- Organize all documents in one place
- Create family profiles
- Fast document search
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SPAI Vault is the simple, secure way to store and manage your most important documents right on your device. Keep passports, IDs, and essential paperwork organized, protected, and always within reach. Scan documents in seconds, set reminders for expiration dates, and access everything whenever you need it. Private by design. Your documents stay secure and under your control. Key Features Secure Document Vault Store passports, IDs, visas, insurance cards, and more in one private place. Scan in Seconds Capture documents using your camera and save them instantly. Expiration Reminders Get notified before important documents expire. All in One Place Keep everything organized and easy to find when you need it. For You and Your Family Create separate profiles to manage documents for each family member. Fast Search Quickly find any document, anytime. Built for Privacy Your documents belong to you. SPAI Vault is designed to keep your information secure and private - so you can store what matters with confidence. No complicated setup. Just scan, store, and stay organized.
Screenshots
Verdict
The clearest difference is review sentiment: SPAI Vault at 100% against KilnLink's 17%. SPAI Vault also leads on rating (5.0 vs 1.9) and update cadence (every 6 days vs every 3 months). KilnLink's advantage is in-app purchases (none vs 3) and ratings volume (99 vs 4). On price, ads and device support 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. SPAI Vault sells 3 one-off in-app purchases. KilnLink asks for nothing beyond the download.
SPAI Vault holds the better App Store score, 5.0 against 1.9. That said, the two scores are not equally well evidenced: KilnLink has 99 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 17% of KilnLink's written reviews are positive against 100% of SPAI Vault's.
KilnLink ships an update every 3 months, SPAI Vault every 6 days. The most recent releases landed on October 20, 2026 and September 19, 2026 respectively.
| Parameter | KilnLink | SPAI Vault |
|---|---|---|
| Price | Free | Free |
| Rating | 1.9 (99 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 17.2% of reviews | 100.0% of reviews — better |
| Number of ratings | 99 — better | 4 |
| Update frequency | Every 3 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 70 MB | 6 MB |
| Age rating | 4+ | 17+ |
| Developer | Skutt Ceramic Products, Inc. | Sindhu Shekar Chandrashekar |
Customer experience
KilnLink
SPAI Vault
Bugs and requests
KilnLink
Reported bugs
59 issues- App completely doesn't work
- Cannot see history or skip ahead
- Ridiculously complicated to connect
- Nothing works
- App forgets kiln when switching views
Show 54 moreShow fewer
- Cannot reconnect while kiln is running
- Doesn't work anymore
- Screens don't display correctly on iPad
- Dead links, endless loops
- Poor UI, ambiguous icons
- Lack of utility
- Cannot log in after update
- Cannot update password
- App works less than half the time
- Constantly have to close and reopen app
- Kiln often disappears from list
- Never remembers login info
- Never had success fully connecting
- App gets stuck at naming the kiln
- App won't link to kiln
- App stopped working
- Error when trying to reset password
- App is a basic readout of temperature, not formatted for vertical orientation
- Loses first and last digit of temp over 1000°
- Cannot get app to accept info and open
- App stinks, Skutt does not have IT support
- Often loses connection and unable to reconnect
- Don't trust app for accurate reading outside studio
- App doesn't work at all after moving kiln
- Getting same error as others
- Tried deleting app and starting over, no luck
- App gives message 'we could not get data for this kiln at this time'
- Hard to find customer support link
- App fails to work consistently
- Cannot rely on app
- Worked once, then wouldn't recognize barcode/serial number
- Won't even recognize kilns
- No help given on website
- Lost connection during fire, need to fully close app to reconnect
- App never shows kiln as connected
- Refresh button does nothing
- Kiln not connected when it's connected
- Kiln hasn't updated for a while, 'click here' does nothing
- App struggles to stay WiFi connected
- When rarely connected, kiln does not update
- App has never worked with iOS
- Kiln hasn't reported in a while, clicking refresh does nothing
- Relinking kiln didn't work
- Deleting and reinstalling app did nothing
- App login fails to connect after phone OS update
- Cost per firing inaccurate, showing without decimals
- Cannot log in after app update
- App no longer retains linked kiln info
- Must re-link kiln with serial number every time
- Temperature reading is extremely off after update
- Cannot get confirmation to work, confirmation code sent but no response
- App doesn't open, just flashes icon and closes
- App crashes immediately on iPhone
- Will not open after download
Requested features
20 requests- Upgrade to premium functionality
- Over-time displays
- Return to 'New View' functionality
- Functionality with Apple shortcuts
- Notifications for firing/cooling events
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- Ability to move to next segment remotely
- Ability to end program remotely
- Alerts for errors with sound notifications
- Sound notifications for alarms set in program
- Access to the graph of the program running
- Add users more easily
- Control over KTM to shut off remotely
- Show graph seen on controller screen
- Show estimated completion time
- Push notifications for status updates
- Accurate cost per firing calculation
- Show chart seen on KM screen
- Improve temperature reading accuracy
- Add dark mode option
- Advanced analytics dashboard
SPAI Vault
Not enough reviews yet to summarise bugs or requests.
In-app purchases
KilnLink
No in-app purchases
SPAI Vault
- Buy Us a Coffee$1.99
- Support Development$4.99
- Keep SPAI Vault Growing$9.99
