Comparison

Bidirectional vs DVL Locks

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

Head to head
About

Bidirectional

Optimize your electric vehicle charging to save money and reduce your carbon footprint. This app intelligently schedules charging during off-peak hours and can even discharge your EV to power your home or support the grid, potentially earning you money.

Highlights
  • Schedule charging during cheapest energy rates
  • Discharge EV to power home
  • Reduce CO2 emissions
  • Earn money from utility
  • Set departure times and battery targets
  • Track savings and environmental impact
Features
Read full description

Bidirectional app lets you manage your bidirectional EV charging to: SAVE MONEY - Automatically schedules your EV charging to occur during the cheapest energy rates - Optionally offset home electricity usage by discharging your EV - See how much you save each week, month, and year REDUCE EMISSIONS - Tangibly reduce CO2 emissions by charging during renewable hours - Power your home using your EV instead of the grid when the grid is powered by coal and natural gas - See your environmental impact each week, month, and year MAKE MONEY - In extreme circumstances (~40-60 hours per year), optionally discharge your EV battery to prevent grid blackouts - Earn money from your utility for supporting the grid READY WHEN YOU NEED IT - Set desired battery target and departure time for both one time trips and daily/weekly schedules - Your car is ready and charged whenever you need it

About

DVL Locks

Features
Read full description

The DVL app allows you to manage your DVL Locks. - Add your locks simply by scanning the QR code on them - Retrieve lock combinations - Share your locks with others - Organize your locks by location or by people you have shared your locks with Subscription Details When you buy a lock, the first year is free. Subscriptions are on an annual basis What you get with the subscription: - Basic supports up to 5 locks for $5 billed annually - Plus supports 6 to 20 locks for $10 billed annually - Premium supports 21 to 100 locks for $20 billed annually Note, the number of locks only includes locks you owned. You have unlimited locks shared with you. For the paid plans you will be charged to your Apple Account, which will automatically renew unless canceled at least 24 hours before the end of the current period. Auto-renew can be turned off anytime by going to your Profile after purchase. Terms of Use can be found at: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Bidirectional4 screens
DVL Locks4 screens

Verdict

The call

The clearest difference is in-app purchases: Bidirectional at none against DVL Locks's 3. On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. DVL Locks sells 3 in-app purchases, starting at $5.00 per year. Bidirectional asks for nothing beyond the download.

UpkeepUpdate frequency

Bidirectional ships an update monthly, DVL Locks every 3 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

Scorecard1 real difference · 8 level
Bidirectional versus DVL Locks: the parameters behind the verdict, then further details
ParameterBidirectionalDVL Locks
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.1 — better16
Further details — not scored
Size103 MB62 MB
Age rating4+4+
DeveloperBidirectional Energy, Inc.DaVinci Lock, LLC

In-app purchases

None

Bidirectional

No in-app purchases

3 purchases

DVL Locks

Subscriptions3
  • Basic1 Year trial$5.001 Year
  • Plus1 Year trial$10.001 Year
  • Premium1 Year trial$20.001 Year

Questions

Is Bidirectional free?
Bidirectional is free to download, with no in-app purchases.
Is DVL Locks free?
DVL Locks is free to download, with in-app purchases available.
Do Bidirectional or DVL Locks have ads?
Neither Bidirectional nor DVL Locks shows ads.
Which is updated more often, Bidirectional or DVL Locks?
Bidirectional ships an update monthly, and DVL Locks every 3 weeks. Most recently, Bidirectional was updated on October 24, 2026 and DVL Locks on October 28, 2026.

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