Comparison

SPAN Home vs 4Siempre

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

Head to head
About

SPAN Home

This app provides smart control over your home's electrical panel, allowing you to monitor energy usage, manage individual rooms and appliances, and uncover cost-saving insights. It enhances home energy management and offers advanced features when paired with solar and battery systems, including EV charging.

Highlights
  • Real-time energy dashboard
  • Room and appliance level control
  • Cost saving insights
  • Power outage protection
  • EV charging integration
  • Over-the-air updates
Read full description

For SPAN Panel MAIN 32 “This thing is a game changer. This is how you save money” - Jon Dawson, Next-gen builder “A long-overdue, borderline genius product that puts much-needed control back into the hands of homeowners.” - Wired Magazine “SPAN is now the center of my smart home. I’ve been waiting most of my life for this product” - A SPAN customer SPAN reinvented the 100-year-old electrical panel with smarter controls for smarter savings. It replaces your existing electrical panel and gives you complete control over every room and appliance in your home right from your phone. From anywhere in the world, the SPAN Home® App allows you to: Centralize your home’s energy data into one real-time dashboard, giving you a 360° view of your home’s energy performance Make real-time energy changes at the room and appliance level to suit your needs and lower your energy bill Uncover cost-saving insights designed to lower your energy bill and save you money When paired with solar panels and a home battery system, SPAN gives you the best protection against power outages by extending battery life by 40%, providing whole-home backup on a single battery system, and the unmatched flexibility to change what your battery system powers in an outage. Your SPAN Home can include SPAN Drive, a universal EV charger that delivers up to 41 miles of range per hour (48A, 11.52kW) of charging for the fastest charging speeds available - all without a service upgrade to install. The SPAN Home App is constantly improving with free, over-the-air updates designed to improve your experience and unlock greater savings.

About

4Siempre

Create a private, shared timeline for your most important relationships. Add photos, voice notes, music, and messages to capture everyday moments. Optionally, link custom jewelry to your timeline for easy access.

Highlights
  • Private shared timelines
  • Add photos, voice notes, music, messages
  • Capture everyday moments
  • Invite trusted contributors
  • Optional QR-coded jewelry integration
  • AI helper for summaries and memory retrieval
  • Import existing chat history
Features
Read full description

Some stories deserve more than a camera roll. Siempre is a private memory timeline for the people who matter most — partners, families, lifelong friends. Add photos, voice notes, music, and messages from real moments, and watch a shared story take shape together. Pair it with custom QR-coded jewelry, and the people you love can carry the whole thing with them, anywhere. WHAT YOU CAN DO Build a timeline together Create a private timeline for any relationship — a partnership, a friendship, a family, a chapter of your life. Add memories with photos, videos, voice notes, locations, and music. Invite the people who lived it and let everyone contribute. Capture the small moments, not just the highlights A timeline isn't only for vacations and birthdays. Add the inside jokes. The Tuesday dinners. The voice note from your mom. The chat that made you laugh until you cried. The everyday is what you'll want to remember. Share by invitation only Siempre is private by design. There's no public feed, no algorithm, no recommendations. The only people who see your timeline are the people you invite. The only people who can add to it are the people you trust. Bring jewelry into the story Order a Siempre bracelet, pendant, or keepsake engraved with a private QR code. Tap or scan it to jump straight into your timeline — anywhere, with anyone. A piece of jewelry that actually holds something. Talk in the moment, save what matters Every timeline has its own chat. Send messages, photos, GIFs, voice notes, and music to the people on your timeline. When something is worth keeping, save it as a memory with one tap. Let Sussy help Sussy is your private AI helper inside Siempre. Ask her to summarize a long chat, find a memory you can't quite remember, or suggest the next thing to add. She lives inside your timeline and never leaves it. Import the conversations you already have Bring in your existing chat history from WhatsApp, iMessage, and other messaging apps. Years of texts, photos, and voice notes become timeline memories in minutes. Your story doesn't have to start from zero. WHO SIEMPRE IS FOR Couples building a long memory. Families keeping a thread between generations. Friends who refuse to lose touch. Anyone who's tired of trusting their memories to a phone that forgets. PRIVACY Your data is yours. Timelines are private to the members you invite, encrypted in transit and at rest, and never sold or shared. You can delete your account and all your content from inside the app at any time. Read our full Privacy Policy at 4siempre.com/privacy. GETTING STARTED Download Siempre, create your account, and start your first timeline in under a minute. The app is free to use. Custom jewelry is available at 4siempre.com/shop. Have questions? We're at support@4siempre.com — we read every message.

Screenshots

SPAN Home4 screens
4Siempre4 screens

Verdict

The call

The clearest difference is rating: 4Siempre at 5.0 against SPAN Home's 3.6. 4Siempre also leads on update cadence (weekly vs fortnightly). SPAN Home's advantage is ratings volume (104 vs 1). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

4Siempre holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: SPAN Home has 104 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

SPAN Home ships an update fortnightly, 4Siempre weekly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
SPAN Home versus 4Siempre: the parameters behind the verdict, then further details
ParameterSPAN Home4Siempre
PriceFreeFree
Rating3.6 (104 ratings)5.0 (1 ratings) — better
Positive reviews28.6% of reviews—
Number of ratings104 — better1
Update frequencyFortnightlyWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone
Requires iOS17.616.4 — better
Further details — not scored
Size120 MB99 MB
Age rating4+12+
DeveloperSpan.io, IncRamon Hidalgo

Customer experience

SPAN Home

All ratings104 ratings
Positive56.7%
Neutral10.6%
Negative32.7%
Written reviews49 reviews
Positive28.6%
Neutral16.3%
Negative55.1%

4Siempre

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

SPAN Home

Reported bugs

34 issues
  • App freezes on iPad
  • Circuit switching sometimes fails
  • App shows ads for other products
  • Energy usage data is inaccurate or delayed
  • PowerUp feature control is hidden
Show 29 more
  • App needs force quit to work
  • Data fails to load or stalls
  • App loses connectivity with batteries
  • System does not function as intended during power outages
  • Estimated battery hours/minutes are incorrect
  • App shows panel offline when it's online
  • App recently deleted backup instructions
  • App displays data hours old
  • App crashes or encounters problems constantly
  • App is slow to load
  • App is sluggish and chunky
  • App shows solar production at night
  • App does not support Powerwall 2
  • Responsiveness for switching breakers is poor
  • Circuit monitoring breaks frequently
  • Panel does not function offline
  • Password change process is difficult
  • App does not integrate multiple panels correctly
  • Setup was a pain
  • App in a cycle of constant loading
  • App does not have native iPad support
  • App UI looks dated
  • App crashes and takes a while to launch
  • App loses connection to battery system frequently
  • App disconnects way too often
  • App is seriously dumbed down from v1
  • App has basic inconsistencies in real-time stats
  • App data does not match Tesla App
  • App only supports Alexa and it doesn't work

Requested features

23 requests
  • Unified view for multiple panels
  • Improved app customization
  • More robust connectivity
  • Better Tesla battery integration support
  • Easier labeling of breakers
Show 18 more
  • Darker, more readable app interface
  • Desktop dashboard/web app
  • Smaller SPAN sub-panel option
  • Modular sub-panel breaker monitoring
  • Public API for Home Assistant integration
  • Native iPad support (split screen, hover)
  • More smart home integration (Apple HomeKit)
  • Ability to toggle between panels with swipe
  • Increased character limit for circuit names
  • iOS Widget for at-a-glance data
  • Schedule breakers to turn on/off automatically
  • Better daily data view for breaker level changes
  • 2FA for account security
  • Historical usage per circuit
  • SPAN Drive mode for solar-only charging
  • Basic voltage readouts for grid diagnostics
  • Improved Time of Day Plans functionality
  • Fix for 'areas' feature for multi-panel setups

4Siempre

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

SPAN Home

No in-app purchases

None

4Siempre

No in-app purchases

Questions

Is SPAN Home free?
SPAN Home is free to download, with no in-app purchases.
Is 4Siempre free?
4Siempre is free to download, with no in-app purchases.
Which has better reviews, SPAN Home or 4Siempre?
4Siempre is rated higher. SPAN Home averages 3.6 out of 5 from 104 ratings, while 4Siempre averages 5.0 from 1 ratings.
Do SPAN Home or 4Siempre have ads?
Neither SPAN Home nor 4Siempre shows ads.
Which is updated more often, SPAN Home or 4Siempre?
SPAN Home ships an update fortnightly, and 4Siempre weekly. Most recently, SPAN Home was updated on October 25, 2026 and 4Siempre on October 24, 2026.

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