Comparison

Rivnly for Rivian vs Sierro

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

Head to head
About

Rivnly for Rivian

Track your electric vehicle's battery, range, and charging sessions. Monitor climate controls, tire pressure, and drive history with detailed charts and notifications. Explore features with a demo mode before connecting your account.

Highlights
  • Live battery and range monitoring
  • Climate control and vehicle status
  • Detailed drive history with route maps
  • Charging session analysis
  • Live Activities and widgets
  • Customizable notifications
Features
Read full description

Rivnly is a companion for your electric Rivian SUV and truck. See what matters the moment you open the app — and get notified when it counts. DASHBOARD • Live battery %, estimated range, and energy at a glance • Climate: interior temperature, driver temp, defrost, pet mode, heated steering wheel • Per-tire pressure and odometer • Wake your vehicle with a tap when it's asleep DRIVES • Every drive, grouped by day, with a route map • Distance, duration, and efficiency • Energy used and battery start/end • Average and top speed • Elevation and cabin-temperature charts, with start/end locations CHARGING • Charging history grouped by month • Energy added, cost, and average price per kWh • Session time, average power, and a charge curve • Location, charger type, and odometer LIVE ACTIVITIES & WIDGETS • Track an active drive or charge from the Lock Screen and Dynamic Island • Home Screen and Lock Screen widgets for battery, range, and charge status NOTIFICATIONS • Drive complete, charge complete, and reconnect alerts — your choice per channel RIVNLY PREMIUM (optional subscription) • Unlimited drive and charging history • Stats and records, badges, and the community leaderboard • Battery health trend chart and fleet software tracking • Vehicle commands and more Rivnly Premium is an auto-renewing subscription, billed monthly or yearly. Payment is charged to your Apple Account when you confirm the purchase. The subscription renews automatically unless it is cancelled at least 24 hours before the end of the current period, and your account is charged for the renewal within 24 hours before the period ends. You can manage or cancel it in your Apple Account settings at any time. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.rivnly.com/privacy Just exploring? Tap "Preview a demo" on the sign-in screen to try the full app with sample data — no account needed. Rivnly is an independent app and is not affiliated with, authorized, endorsed, or sponsored by Rivian Automotive, Inc. "Rivian" is a trademark of Rivian Automotive, Inc. Rivnly connects to your personal Rivian account to display your own vehicle data.

About

Sierro

Monitor and manage your home energy storage system. View battery status, solar generation, and power flow. Receive alerts for power outages and low battery levels to stay informed.

Highlights
  • Monitor battery status
  • View solar generation
  • Track power flow
  • Receive device alerts
  • Get outage notifications
  • Low battery alerts
Features
Read full description

Sierro Energy helps you monitor and manage your Sierro home energy storage system. View battery status, solar generation, power flow, and device alerts in one place. Get notifications for power outages and low battery so you can stay informed even when the app is in the background.

Screenshots

Rivnly for Rivian4 screens
Sierro3 screens

Verdict

The call

The clearest difference is rating: Rivnly for Rivian at 3.0 against Sierro's 2.3. Sierro's advantage is in-app purchases (none vs 2) and device support (3 vs 1). On price, ratings volume, update cadence and ads 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. Rivnly for Rivian sells 2 in-app purchases, starting at $4.99 per month. Sierro asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Rivnly for Rivian holds the better App Store score, 3.0 against 2.3. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 10 days. The most recent releases landed on November 7, 2026 and November 10, 2026 respectively.

Scorecard4 real differences · 6 level
Rivnly for Rivian versus Sierro: the parameters behind the verdict, then further details
ParameterRivnly for RivianSierro
PriceFreeFree
Rating3.0 (2 ratings) — better2.3 (3 ratings)
Positive reviews—50.0% of reviews
Number of ratings23 — better
Update frequencyEvery 10 daysEvery 10 days
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS26.015.0 — better
Further details — not scored
Size12 MB7 MB
Age rating4+4+
DeveloperBrian McLaughlinSierro Intelligent Technology Co., Ltd

Customer experience

Rivnly for Rivian

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%

Sierro

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

2 purchases

Rivnly for Rivian

Subscriptions2
  • Premium Monthly$4.991 Month
  • Premium Yearly$49.001 Year
None

Sierro

No in-app purchases

Questions

Is Rivnly for Rivian free?
Rivnly for Rivian is free to download, with in-app purchases available.
Is Sierro free?
Sierro is free to download, with no in-app purchases.
Which has better reviews, Rivnly for Rivian or Sierro?
Rivnly for Rivian is rated higher. Rivnly for Rivian averages 3.0 out of 5 from 2 ratings, while Sierro averages 2.3 from 3 ratings.
Do Rivnly for Rivian or Sierro have ads?
Neither Rivnly for Rivian nor Sierro shows ads.
Which is updated more often, Rivnly for Rivian or Sierro?
Rivnly for Rivian ships an update every 10 days, and Sierro every 10 days. Most recently, Rivnly for Rivian was updated on November 7, 2026 and Sierro on November 10, 2026.

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