Comparison

smartPerform BYOD vs Slate

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

smartPerform BYOD

Features
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smartPerform BYOD App for mobile devices: The smartPerform Bring Your Own Device App (BYOD) for mobile devices and web browsers complements individual smartPerform project solutions and standardized smartPerfom product solutions. Collaborative workflows between users and their various device platforms become astonishingly simple and effective. The central element is a smartPerfom application (project- or product solution) on a presentation computer with a Microsoft Windows operating system as well as a WLAN or LAN network with sufficient network capacity. Central Functions Presentation: Display of the current screen presentation with manual or automatic update. Save the presented content or share local documents with the smartPerform presentation. Sketch: Create and share a local sketch based on a neutral background, the current smartPerform presentation image, a recent photo capture, or images from your photo gallery. Text: Creating comments – Share your thoughts with the attendees Pointer: Remote control of the smartPerform presentation via a virtual mouse pointer. Moderation: Menu for remote control of the smartPerform presentation via control elements and predefined presets. Management for individual customization of available user functions. QR-Code recognition: By scanning a QR code in the smartPerform presentation, the login data of the presentation is transmitted to the mobile device of the user in the simplest way.

About

Slate

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Every dive tells a story. Slate keeps the record. Slate is a professional dive logbook for iPhone. Log dives manually, import wirelessly from your dive computer, track your career stats, and export your data whenever you want. Your logbook, your device, your data. DIVE LOGGING - Manual entry: depth, duration, temperature, gas mix, gear, buddy, rating, GPS coordinates, and notes - Air, nitrox, and trimix gas logging with full mix details - Gear configuration tracking per dive - GPS-tagged dive sites - Star rating and personal notes DIVE COMPUTER IMPORT - Wireless Bluetooth import from Shearwater, Suunto, Mares, Oceanic, and more - UDDF file import for any computer that exports the format - Depth profile data preserved from each download - Incremental sync: only new dives are transferred - Multi-computer support: one logbook, every computer you own CAREER DASHBOARD - Total dives, total bottom time, deepest dive, career milestones - Personal bests across your entire logbook - Dive frequency heatmap - Depth and temperature trend charts over time - On-device analysis surfaces patterns across your dives (iPhone 15 Pro and later) SEARCH AND EXPORT - Full-text search across your entire logbook: sites, buddies, notes, gear - CSV and UDDF export, always free, no restrictions - Backup and restore your complete logbook LOCAL-FIRST DESIGN - No account required. No cloud dependency. No server storing your dives. - Your data stays on your device. Period. - iCloud backup compatible for device migration - Works offline at any dive site FREEMIUM DONE RIGHT - Log every dive for free. No dive limit, no trial period. - Slate Premium unlocks career analytics, trends, on-device analysis, and advanced features. - Slate Premium (Annual): $29.99/year, auto-renewing. - Slate Premium (Lifetime): $79.99, one-time purchase. - No ads. No data collection. No account wall. APPLE HEALTH INTEGRATION - Imports underwater depth and water temperature data from Apple Watch dive sessions via Apple Health. - Read-only: Slate does not write data to Apple Health. Slate is agency-neutral. Whether you trained with PADI, SSI, TDI, NAUI, GUE, BSAC, or CMAS, your logbook works the same way. Available in English, Spanish, French, German, Japanese, and Italian. Privacy Policy: https://toolsfordivers.com/privacy Terms of Use: https://toolsfordivers.com/terms/ EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ A Tools for Divers, LLC product.

Screenshots

smartPerform BYOD4 screens
Slate4 screens

Verdict

The call

The clearest difference is in-app purchases: smartPerform BYOD at none against Slate's 2. smartPerform BYOD also leads on device support (3 vs 1) and iOS requirement (13.0 vs 26.0). Slate's advantage is update cadence (weekly vs every 4 months). On price and ads there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Slate sells 2 in-app purchases, starting at $29.99 per year. smartPerform BYOD asks for nothing beyond the download.

UpkeepUpdate frequency

smartPerform BYOD ships an update every 4 months, Slate weekly. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

Scorecard4 real differences Β· 2 level
smartPerform BYOD versus Slate: the parameters behind the verdict, then further details
ParametersmartPerform BYODSlate
PriceFreeFree
Update frequencyEvery 4 monthsWeekly β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, iPod β€” betteriPhone
Requires iOS13.0 β€” better26.0
Further details β€” not scored
Size21 MB16 MB
Age rating4+4+
DeveloperImmersion7 GmbHTools for Divers, LLC

In-app purchases

None

smartPerform BYOD

No in-app purchases

2 purchases

Slate

Subscriptions1
  • Slate Premium Annual$29.991 Year
One-time1
  • Slate Premium Lifetime$79.99

Questions

Is smartPerform BYOD free?
smartPerform BYOD is free to download, with no in-app purchases.
Is Slate free?
Slate is free to download, with in-app purchases available.
Do smartPerform BYOD or Slate have ads?
Neither smartPerform BYOD nor Slate shows ads.
Which is updated more often, smartPerform BYOD or Slate?
smartPerform BYOD ships an update every 4 months, and Slate weekly. Most recently, smartPerform BYOD was updated on October 12, 2026 and Slate on October 24, 2026.

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