Comparison

LeafSpy Pro vs RheoDive eDL

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

Head to head
About

LeafSpy Pro

Monitor your Nissan Leaf's battery health, charging history, and vehicle diagnostics. Perform dealer-level functions like changing settings and reading trouble codes. Log data and sync to Dropbox for detailed analysis.

Highlights
  • Cell pair voltage monitoring
  • Battery temperature readings
  • Battery AHr rating and capacity
  • Charging connection history
  • Diagnostic Trouble Code (DTC) reading
  • Tire pressure monitoring
  • Trip and charge logging
Features
Currently charting
Read full description

The Leaf Spy Pro allows anyone with a Nissan Leaf electric vehicle, an iOS 7.1+ device and a supported Bluetooth 4+ LE OBDII adapter (Vgate vLinker FD+ and MC+ OBDII adapters recommended) or a WiFi OBDII adapter, the ability to monitor their battery and other vehicle information normally visible only to the dealer. Support for English, Japanese, German, French, Chinese, Russian and Arabic languages. Note: The iPhone 4 and early iPads (2nd Gen) do NOT support Bluetooth 4+ LE. Currently supports 2011 to 2025 Leaf. (2026 Leaf not yet verified). Information displayed by Leaf Spy Pro: * Voltage of each of the 96 cell pairs (highlighted if shunt active) * Minimum, average, maximum cell pair voltages * Histogram of cell pair voltages * Battery Temperature readings (4 sensors for 2011/12 models, 3 for 2013 models) * Battery AHr rating (this will decease with age and is an indication of remaining capacity) * VIN * Odometer (miles or km) * Number of Quick Charge connections * Number of L1/L2 Charge connections * EVSE Max available amps * EVSE voltage * Battery energy level in GIDs & kWh * Resetable energy usage meter (Wh resolution) * Graphic display of SOC, GIDs and DTE (Distance to Empty) * Remaining distance meter (miles/km) to Event (Low Battery Warning, Very Low Battery Warning or Reserve) based on user selectable energy efficiency * Graphic display of battery temperature with min, avg, max temperatures * Tire Pressure of each of the four tires with low pressure warning and delta pressure warning alarm (not yet supported on 2018 Leaf) * Ambient Temperature * Displays climate control settings and power used. * Trip and Charge Log * Logging function that records most data and optionally GPS location to a csv file that can be easily imported into excel. * Dropbox support to sync Log files * Can run in background while connected to Leaf allowing you to use other apps. LeafSpy Pro also gives you the ability to perform functions normally requiring a visit to the dealer. * Change automatic door lock/unlock settings * Change VSP sound settings on 2013 to 2017 Leaf * Change Dash language on 2011 to 2017 Leaf * Read Diagnostic Trouble Codes (DTC) * Register Tire Positions (required after tire rotation or seasonal tire changes so your Leaf knows the correct location of each tire on the car) * Ability to reset DTCs from selected ECUs (including the DTC set when a different battery pack is installed.) * Special modes when only parts of a Leaf are used in a custom vehicle. Ability to create custom screens by creating a CSV file. See help file for definition format.

About

RheoDive eDL

This app digitizes your dive logs, allowing you to wirelessly sync data from compatible dive computers or log dives manually. Review detailed dive profiles, track lifetime statistics, and manage your complete dive history in one place.

Highlights
  • Wireless dive computer sync
  • Detailed dive profile visualization
  • Manual dive logging
  • Lifetime dive statistics tracking
  • Search and filter dive history
  • Companion app for Rheo HUD Dive Mask
Features
Read full description

Rheo eDL is a free electronic dive log designed to replace your paper logbook and scattered dive records with a single, streamlined app. Whether you are a recreational diver building your logbook or a technical diver tracking complex profiles, Rheo eDL gives you a clean, powerful way to record, review, and understand your dives. Wireless Dive Computer Sync Connect to your Shearwater dive computer over Bluetooth and transfer your dive data in seconds. No cables, no manual entry. Your depth profiles, gas mixes, timestamps, and dive duration sync directly to your log. Additional dive computer brands will be supported throughout 2026. Your Complete Dive History Every dive in one place. Browse your full logbook with key details at a glance including depth, bottom time, gas mix, and date. Search and filter to find any dive instantly. Track lifetime statistics like total dives, cumulative bottom time, and your deepest dive. Detailed Dive Profiles View your depth-over-time profiles for every synced dive. See exactly how your dive unfolded, review your ascent rates, and revisit the details that matter for safety and learning. Manual Dive Logging No dive computer? No problem. Add dives manually with all the essential fields so your logbook stays complete regardless of how you dive. Built for What Comes Next Rheo eDL is the companion app for the Rheo HUD Dive Mask, a patent-pending smart dive mask with an integrated heads-up display and dive computer. The app and hardware are designed to work together as a complete dive ecosystem. Our 2026 roadmap includes support for additional dive computer brands, AI-driven decompression sickness risk scoring, dive planning tools, gas analysis, and more. Your feedback shapes what we build, so dive in and let us know what matters most to you. Why Rheo eDL? We are divers building tools for divers. Rheo Dive Inc. is a veteran-owned small business focused on advancing dive safety through technology. Every feature we ship is grounded in real-world diving needs, not gimmicks. Download Rheo eDL free and start logging smarter.

Screenshots

LeafSpy Pro4 screens
RheoDive eDL4 screens

Verdict

The call

The clearest difference is review sentiment: RheoDive eDL at 100% against LeafSpy Pro's 46%. RheoDive eDL also leads on price (Free vs $19.99) and rating (5.0 vs 3.5). LeafSpy Pro's advantage is ads (none vs shown) and ratings volume (115 vs 2). On in-app purchases, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

RheoDive eDL is free to download; LeafSpy Pro costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

RheoDive eDL holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: LeafSpy Pro has 115 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 46% of LeafSpy Pro's written reviews are positive against 100% of RheoDive eDL's.

UpkeepUpdate frequency

LeafSpy Pro ships an update every 2 months, RheoDive eDL every 3 weeks. The most recent releases landed on October 26, 2026 and October 10, 2026 respectively.

Scorecard8 real differences · 3 level
LeafSpy Pro versus RheoDive eDL: the parameters behind the verdict, then further details
ParameterLeafSpy ProRheoDive eDL
Price$19.99Free — better
Rating3.5 (115 ratings)5.0 (2 ratings) — better
Positive reviews45.7% of reviews100.0% of reviews — better
Number of ratings115 — better2
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaidAd-supported — better
Best chart rank#11 — better—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.0
Further details — not scored
Size13 MB3 MB
Age rating4+4+
DeveloperJames PollockCormorant Solutions LLC

Customer experience

LeafSpy Pro

All ratings114 ratings
Positive62.3%
Neutral5.3%
Negative32.5%
Written reviews173 reviews
Positive45.7%
Neutral9.2%
Negative45.1%

RheoDive eDL

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

LeafSpy Pro

Reported bugs

5 issues
  • Doesn't connect via Bluetooth on iOS
  • Crashes on startup after iOS updates
  • Fails to load data despite being connected
  • Doesn't work with Mini OBD2 scanners
  • Can't change sounds on newer Leaf models

Requested features

5 requests
  • Add support for newer Leaf models
  • Improve user interface and design
  • Add Apple CarPlay integration
  • Expand compatibility with more OBD2 dongles
  • Improve documentation and in-app help

RheoDive eDL

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

LeafSpy Pro

No in-app purchases

None

RheoDive eDL

No in-app purchases

Questions

Is LeafSpy Pro free?
LeafSpy Pro costs $19.99, with no in-app purchases.
Is RheoDive eDL free?
RheoDive eDL is free to download, with no in-app purchases.
Which has better reviews, LeafSpy Pro or RheoDive eDL?
RheoDive eDL is rated higher. LeafSpy Pro averages 3.5 out of 5 from 115 ratings, while RheoDive eDL averages 5.0 from 2 ratings.
Do LeafSpy Pro or RheoDive eDL have ads?
RheoDive eDL shows ads; LeafSpy Pro does not.
Which is updated more often, LeafSpy Pro or RheoDive eDL?
LeafSpy Pro ships an update every 2 months, and RheoDive eDL every 3 weeks. Most recently, LeafSpy Pro was updated on October 26, 2026 and RheoDive eDL on October 10, 2026.

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