AdPreviewer vs Ultimus Battery
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AdPreviewer
This tool allows users to preview ads rendered by the FreeWheel iOS AdManager. It functions as a player for FreeWheel ad responses, enabling verification of composed or captured ad content.
- Ad playback integration
- FreeWheel iOS AdManager support
- Preview composed ad responses
- Verify captured ad responses
- Configurator tool integration
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The AdPreviewer is a tool created to help you preview your ads rendered by FreeWheel iOS AdManager. It is essentially a player that integrates with FreeWheel iOS AdManager that plays back FreeWheel ad responses. You can use the online AdPreviewer Configurator tool(http://adpreviewer.freewheel.tv/) to compose your own ad response that contains the ad you want to preview, or use a captured ad response to verify in the AdPreviewer.
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 iOS requirement: Ultimus Battery at 13.0 against AdPreviewer's 15.6. On price, rating, ratings volume and update cadence 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.
On the App Store both sit at effectively the same score — 5.0 for AdPreviewer against 5.0 for Ultimus Battery. Both are backed by a comparable volume of ratings — 2 and 2 respectively.
AdPreviewer ships an update every 14 months, Ultimus Battery every 12 months. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.
| Parameter | AdPreviewer | Ultimus Battery |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 | 2 |
| Update frequency | Every 14 months | Every 12 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | FreeWheel Media Inc. | Larry Crutcher |
Customer experience
AdPreviewer
Ultimus Battery
In-app purchases
AdPreviewer
No in-app purchases
Ultimus Battery
No in-app purchases
Questions
Is AdPreviewer free?
Is Ultimus Battery free?
Which has better reviews, AdPreviewer or Ultimus Battery?
Do AdPreviewer or Ultimus Battery have ads?
Which is updated more often, AdPreviewer or Ultimus Battery?
Other comparisons
