Synapse vs Battery Phone Guard + Widget
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Synapse
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The application provides actionable insight through data collation, incident reporting, intelligence gathering and analysis. Streamlining operations by optimising decision making, reducing response times, and improving communications to better protect people, assets, and locations.
Battery Phone Guard + Widget
This utility app provides personalized sound alerts for your device's battery level. Set custom thresholds to receive notifications when your battery reaches specific percentages, ensuring you never miss a charge. It runs efficiently in the background with an easy-to-use interface.
- Custom charge thresholds
- Personalized sound alerts
- Background operation
- User-friendly interface
- Ad-free subscription option
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Your iPhone battery degrades every time you overcharge it. Battery Alarm fixes that. Set a threshold — 80% is the sweet spot — and get a loud, unmissable alarm the moment your battery hits it. Plug in, walk away, and trust Battery Alarm to tell you when to unplug. No more compulsively checking. No more degraded battery capacity after a year of overnight charging. What's new in version 3.0 * Battery Alarm has been completely rebuilt from the ground up. * Brand new design — dark, premium, and built around a clean amber and navy visual language. Every screen redesigned. * Apple Watch app — set and cancel your alarm directly from your wrist. Adjust your charge threshold using the Digital Crown. No need to reach for your phone. * Apple Watch complication — see your iPhone's battery percentage directly on your watch face. Your iPhone charge level, glanceable on your wrist at any time. This is not something Apple provides natively — Battery Alarm brings it to your watch face. * Home screen widgets — three sizes. See your target charge level and alarm status without opening the app. * Lifetime purchase — a one-time payment that unlocks everything, forever. No subscription required if you prefer to pay once. How it works * Set your charge threshold. Pick your alarm sound. Done. Battery Alarm runs quietly in the background and fires when it matters. Battery Alarm Premium unlocks: * Ad-free experience * Premium and system alert sounds * Custom sounds from your files * All current and future features Privacy Policy: https://bytehood.com/app-store-privacy-policy.html Terms and Conditions: https://bytehood.com/battery-alarm.html
Screenshots
Verdict
The clearest difference is in-app purchases: Synapse at none against Battery Phone Guard + Widget's 3. Battery Phone Guard + Widget's advantage is update cadence (weekly vs every 2 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
Both are free to download. Battery Phone Guard + Widget sells 3 in-app purchases, starting at $2.99 per month. Synapse asks for nothing beyond the download.
Synapse ships an update every 2 months, Battery Phone Guard + Widget weekly. The most recent releases landed on October 27, 2026 and November 4, 2026 respectively.
| Parameter | Synapse | Battery Phone Guard + Widget |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.4 (41 ratings) — better |
| Positive reviews | — | 57.1% of reviews |
| Number of ratings | — | 41 — better |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 60 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Zinc Digital | Bytehood |
In-app purchases
Synapse
No in-app purchases
Battery Phone Guard + Widget
- Premium Monthly$2.991 Month
- Premium Yearly7 Days trial$6.991 Year
- Premium Lifetime$9.99
Questions
Is Synapse free?
Is Battery Phone Guard + Widget free?
Do Synapse or Battery Phone Guard + Widget have ads?
Which is updated more often, Synapse or Battery Phone Guard + Widget?
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