U.S. Battery vs Evalation CORR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Battery application guide
- Product specification sheets
- Maintenance tips blog
- Sales team contact
- Distributor locator
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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.
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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | U.S. Battery | Evalation CORR |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 27 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 23 MB | 38 MB |
| Age rating | 17+ | 4+ |
| Developer | PALOS VERDES BUILDING CORP. | Evalation |
In-app purchases
U.S. Battery
No in-app purchases
Evalation CORR
No in-app purchases
Questions
Is U.S. Battery free?
Is Evalation CORR free?
Do U.S. Battery or Evalation CORR have ads?
Which is updated more often, U.S. Battery or Evalation CORR?
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