LeafSpy Pro vs Time to Burn
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
Time to Burn
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Time to Burn is a simple UV Index tracker that estimates how long you have before your skin starts to burn—so you can enjoy the outdoors without guessing. See the current UV Index Check real-time UV levels and understand when the sun is strongest. Get a “time to burn” estimate Choose your skin type and conditions, then get an easy-to-read estimate in minutes. Make smarter sun decisions Use the estimate to plan sunscreen reapplication, find shade, or adjust your time outside—especially on high-UV days. Clean, quick, and practical No clutter—just the info you need when you’re heading out.
Screenshots
Verdict
The clearest difference is price: Time to Burn at Free against LeafSpy Pro's $19.99. LeafSpy Pro's advantage is chart position (#11 vs unranked) and iOS requirement (16.0 vs 26.0). On ads, in-app purchases 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
Time to Burn is free to download; LeafSpy Pro costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | LeafSpy Pro | Time to Burn |
|---|---|---|
| Price | $19.99 | Free — better |
| Rating | 3.5 (115 ratings) — better | — |
| Positive reviews | 45.7% of reviews | — |
| Number of ratings | 115 — better | — |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Best chart rank | #11 — better | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 13 MB | 4 MB |
| Age rating | 4+ | 17+ |
| Developer | James Pollock | Luke Johnson |
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
Time to Burn
Not enough reviews yet to summarise bugs or requests.
In-app purchases
LeafSpy Pro
No in-app purchases
Time to Burn
No in-app purchases
Questions
Is LeafSpy Pro free?
Is Time to Burn free?
Do LeafSpy Pro or Time to Burn have ads?
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