Comparison

U.S. Battery vs Evalation CORR

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

Head to head
About

U.S. Battery

Discover the ideal battery for your equipment with this application's guide. Access product specifications, maintenance tips, and contact information. Find authorized distributors nearby, all from your mobile device.

Highlights
  • Battery application guide
  • Product specification sheets
  • Maintenance tips blog
  • Sales team contact
  • Distributor locator
Features
Read full description

Finding out what U.S. Battery product is best for you is now just a tap away! - New Battery Application guide allows you to see what batteries are ideal for your equipment - Easily access product specification sheets - Follow what’s going on at U.S. Battery and get Maintenance Tips on our blog - Contact our sales team - Find an Authorized Distributor near you Our new app gives you a whole level of access to U.S. Battery products and information, all from your mobile device or tablet.

About

Evalation CORR

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Your business. At a glance. Evalation CORR is the command center for residential contractors who run their business from the field. Built for owners and salespeople who need real-time visibility without sitting at a laptop. INSTANT LEAD NOTIFICATIONS Get notified the moment a new lead comes in — name, phone number, and source, delivered to your phone in seconds. Never lose a job to slow response time again. YOUR PIPELINE, EVERYWHERE See every job and where it stands. From first inquiry to signed contract to active project, your full pipeline is one tap away. Flag jobs that have been sitting too long before they go cold. YOUR LEADS, FULLY VISIBLE Your complete lead list with contact information, source tracking, and status. Tap any lead to call or message directly. Update status from the field without opening a laptop. BUSINESS HEALTH AT A GLANCE Open CORR in the morning and see what matters: leads this week, active jobs, revenue this month, pipeline value. Everything a business owner needs to know before the first job of the day. Built by a contractor who runs his own business. Designed for people who are too busy to learn software. Evalation CORR requires an active Evalation Ops account.

Screenshots

U.S. Battery4 screens
Evalation CORR3 screens

Verdict

The call

The clearest difference is update cadence: Evalation CORR at every 6 weeks against U.S. Battery's every 27 months. U.S. Battery's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.4). On price, ads and in-app purchases 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.

UpkeepUpdate frequency

U.S. Battery ships an update every 27 months, Evalation CORR every 6 weeks. The most recent releases landed on November 2, 2026 and November 10, 2026 respectively.

Scorecard3 real differences · 6 level
U.S. Battery versus Evalation CORR: the parameters behind the verdict, then further details
ParameterU.S. BatteryEvalation CORR
PriceFreeFree
Rating4.7 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 27 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS14.0 — better16.4
Further details — not scored
Size23 MB38 MB
Age rating17+4+
DeveloperPALOS VERDES BUILDING CORP.Evalation

In-app purchases

None

U.S. Battery

No in-app purchases

None

Evalation CORR

No in-app purchases

Questions

Is U.S. Battery free?
U.S. Battery is free to download, with no in-app purchases.
Is Evalation CORR free?
Evalation CORR is free to download, with no in-app purchases.
Do U.S. Battery or Evalation CORR have ads?
Neither U.S. Battery nor Evalation CORR shows ads.
Which is updated more often, U.S. Battery or Evalation CORR?
U.S. Battery ships an update every 27 months, and Evalation CORR every 6 weeks. Most recently, U.S. Battery was updated on November 2, 2026 and Evalation CORR on November 10, 2026.

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