Bigger Timer vs Ultimus Battery
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bigger Timer
This utility app provides a large, screen-filling timer that is easy to read from a distance. It's ideal for situations where a standard timer is too small to see clearly.
- Expands to fit screen
- Large, readable display
- Ideal for distant viewing
- Simple timer functionality
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Bigger Timer is designed to expand to fit your screen. When you need a timer that you can read from a distance, Bigger Timer will do the job.
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.
- Wireless battery monitoring
- Track cycle life
- State of Charge (SOC) percentage
- Display voltage, current, temperature
- Battery event alerts
- Bluetooth BLE 4.0+ connectivity
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"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"
Screenshots
Verdict
The clearest difference is price: Ultimus Battery at Free against Bigger Timer's $0.99. Ultimus Battery also leads on rating (5.0 vs 3.7) and iOS requirement (13.0 vs 15.6). Bigger Timer's advantage is ratings volume (3 vs 1). On update cadence, ads, in-app purchases and device support 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
Ultimus Battery is free to download; Bigger Timer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Ultimus Battery holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
Bigger Timer ships an update every 9 months, Ultimus Battery every 12 months. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.
| Parameter | Bigger Timer | Ultimus Battery |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 3.7 (3 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 9 months — better | Every 12 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | William Wright | Larry Crutcher |
Customer experience
Bigger Timer
Ultimus Battery
In-app purchases
Bigger Timer
No in-app purchases
Ultimus Battery
No in-app purchases
Questions
Is Bigger Timer free?
Is Ultimus Battery free?
Which has better reviews, Bigger Timer or Ultimus Battery?
Do Bigger Timer or Ultimus Battery have ads?
Which is updated more often, Bigger Timer or Ultimus Battery?
Other comparisons
