Comparison

Watch Sensor Logger vs speemo

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

Head to head
About

Watch Sensor Logger

Log detailed motion and GPS data from your Apple Watch. Export sensor readings like acceleration, attitude, and location as a CSV file for analysis. This app is exclusively designed for Apple Watch.

Highlights
  • Log sensor data
  • GPS tracking
  • Export to CSV
  • Acceleration logging
  • Attitude data
  • Time stamping
Features
Read full description

Watch Sensor Logger turns your Apple Watch into a powerful motion and location logger. Record high-precision sensor data straight from your wrist: β€’ Acceleration β€’ Rotation Rate β€’ Gravity β€’ Attitude β€’ GPS location Start a recording on your Apple Watch, then review your sessions on your iPhone. Every measurement is visualized with clear charts so you can spot patterns at a glance, and you can export any session as a CSV file for analysis in your favorite tools. Perfect for researchers, developers, athletes, and anyone curious about the motion of everyday life. KEY FEATURES β€’ One-tap recording on Apple Watch β€’ Motion sensors: acceleration, rotation rate, gravity, attitude β€’ GPS location logging β€’ Beautiful charts to explore your data β€’ CSV export for spreadsheets and analysis β€’ Manage and delete past sessions easily

About

speemo

Read full description

speemo – Rethink how you capture notes and voice memos Stay on top of your day with speemo. Quickly jot down text notes or record voice memos, and set reminders so nothing slips through the cracks. Whether it’s a sudden idea, a must-do task, or a personal reflection – speemo helps you save and structure it all. Features: * Create text notes and voice memos * Set reminders with notifications * Organize notes into groups * Check off completed notes * Optimized for iPhone & iPad speemo is your smart companion for everyday life, work, and creativity.

Screenshots

Watch Sensor Logger4 screens
speemo3 screens

Verdict

The call

The clearest difference is in-app purchases: Watch Sensor Logger at none against speemo's 1. speemo's advantage is ads (none vs shown) and update cadence (every 2 months vs every 25 months). On price, device support and iOS requirement 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. speemo sells 1 one-off in-app purchase. Watch Sensor Logger asks for nothing beyond the download.

UpkeepUpdate frequency

Watch Sensor Logger ships an update every 25 months, speemo every 2 months. The most recent releases landed on October 1, 2026 and September 27, 2026 respectively.

Scorecard3 real differences Β· 5 level
Watch Sensor Logger versus speemo: the parameters behind the verdict, then further details
ParameterWatch Sensor Loggerspeemo
PriceFreeFree
Positive reviews50.0% of reviewsβ€”
Update frequencyEvery 25 monthsEvery 2 months β€” better
AdsYesNo β€” better
In-app purchasesNo β€” betterYes
MonetizationFreeβ€”
DevicesiPhone, iPad, Apple Watch β€” betteriPhone, iPad
Requires iOS17.0 β€” better18.0
Further details β€” not scored
Size17 MB3 MB
Age rating4+4+
Developeryuya kanbetsunawaDominik Kolb

In-app purchases

None

Watch Sensor Logger

No in-app purchases

1 purchases

speemo

One-time1
  • speemo pro$3.99

Questions

Is Watch Sensor Logger free?
Watch Sensor Logger is free to download, with no in-app purchases.
Is speemo free?
speemo is free to download, with in-app purchases available.
Do Watch Sensor Logger or speemo have ads?
Watch Sensor Logger shows ads; speemo does not.
Which is updated more often, Watch Sensor Logger or speemo?
Watch Sensor Logger ships an update every 25 months, and speemo every 2 months. Most recently, Watch Sensor Logger was updated on October 1, 2026 and speemo on September 27, 2026.

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