Comparison

Ultimus Battery vs Flowsense

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

Head to head
About

Ultimus Battery

Monitor your battery's health and performance wirelessly from your iOS device. Track cycle life, state of charge, voltage, current, and temperature with easy-to-read gauges and text alerts. Connect to individual batteries or battery banks up to 15 feet away.

Highlights
  • Wireless battery monitoring
  • Track cycle life
  • State of Charge (SOC) percentage
  • Display voltage, current, temperature
  • Battery event alerts
  • Bluetooth BLE 4.0+ connectivity
Features
Read full description

"FEATURES * No need for a separate battery monitor⋯save hundreds of dollars! * Wirelessly connect to each battery or your battery bank from your IOS device. * Access each BMS independently or the battery bank as a group. * Track Cycle Life on each battery. * Displays State Of Charge (SOC) percentage with a graphic display. * Display voltage, charging or discharging current, and temperature. * Easy to read gauges. * Battery Events displayed in easy to understand text. * Works up to 15 feet from the battery. * Displays each battery signal level. * Uses Bluetooth BLE 4.0 or later * Compatible with iPhones with IOS 7.0 or later"

About

Flowsense

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Why am I so tired today? Why anxious for no reason? Why so sharp and confident right now? Flowsense is the first cycle app that actually answers these questions — every morning, using AI. Every day, Flowsense tells you what your hormones are doing and how that affects your mood, energy, focus, and body. Think of it like a weather forecast for your biology. -- WHAT MAKES FLOWSENSE DIFFERENT -- Most period trackers just tell you when your next period is. Flowsense tells you why you feel the way you feel — today. Your AI Daily Insight arrives every morning: "Your estrogen is peaking today — expect higher confidence, sharper focus, and more social energy. Great day for your hardest tasks." That insight is built from your cycle phase, your logged symptoms, and your personal patterns. It gets smarter every week. -- FEATURES -- AI Daily Insight Every morning, a personalised message about your mood, energy, and what your body is doing today. Built from your cycle day and logged data — not a generic template. Smart Cycle Calendar See your full cycle at a glance. Menstrual, follicular, ovulation, and luteal phases colour-coded. Tap any day to see logged data or AI prediction. AI Coach (Ask Anything) Chat with an AI that knows your full cycle history. Ask why you're craving sugar, whether your PMS is normal, or what to eat in your luteal phase. Pattern Detection After 30 days, Flowsense surfaces patterns only AI can spot. "You lose motivation 2 days before your period, every single cycle." Those insights live in your Insights tab. Trying to Conceive Mode Fertility score updated daily. Fertile window and ovulation alerts. OPK, BBT, and mucus tracking. AI insights timed to your conception window. Pregnancy Mode Week-by-week milestones. Baby size cards. Kick counter. Trimester-aware AI insights. Everything a pregnant woman needs, beautifully organised. Smart Notifications A morning insight at the time you choose. Evening log reminder. PMS alert 3 days before your period. Ovulation alerts for TTC. All personalised — never spammy. -- PRIVACY -- Your data stays yours. We never sell personal health data. All cycle data is encrypted and stored securely. -- FREE & PREMIUM -- Core features are free. Premium unlocks unlimited AI Coach conversations and advanced pattern analysis. Download Flowsense and open it tomorrow morning. You'll wonder how you ever started your day without it.

Screenshots

Ultimus Battery3 screens
Flowsense4 screens

Verdict

The call

The clearest difference is in-app purchases: Ultimus Battery at none against Flowsense's 3. Flowsense's advantage is update cadence (every 2 months vs every 12 months). On price, ads, device support and iOS requirement 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. Flowsense sells 3 in-app purchases, starting at $4.99 per month. Ultimus Battery asks for nothing beyond the download.

UpkeepUpdate frequency

Ultimus Battery ships an update every 12 months, Flowsense every 2 months. The most recent releases landed on November 4, 2026 and October 28, 2026 respectively.

Scorecard2 real differences · 7 level
Ultimus Battery versus Flowsense: the parameters behind the verdict, then further details
ParameterUltimus BatteryFlowsense
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 12 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better14.0
Further details — not scored
Size17 MB39 MB
Age rating4+12+
DeveloperLarry CrutcherNge Philips Ucheolisah

In-app purchases

None

Ultimus Battery

No in-app purchases

3 purchases

Flowsense

Subscriptions3
  • Flowsense Premium Monthly$4.991 Month
  • Flowsense Pro Monthly$9.991 Month
  • Flowsense Premium Yearly$59.991 Year

Questions

Is Ultimus Battery free?
Ultimus Battery is free to download, with no in-app purchases.
Is Flowsense free?
Flowsense is free to download, with in-app purchases available.
Do Ultimus Battery or Flowsense have ads?
Neither Ultimus Battery nor Flowsense shows ads.
Which is updated more often, Ultimus Battery or Flowsense?
Ultimus Battery ships an update every 12 months, and Flowsense every 2 months. Most recently, Ultimus Battery was updated on November 4, 2026 and Flowsense on October 28, 2026.

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