BatteryFull + (Alarm) vs Sidebar | Fast Notes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BatteryFull + (Alarm)
Receive alerts when your device's battery reaches a custom charge level. Monitor charging progress and track historical charging sessions to optimize battery health. An Apple Watch app allows for convenient checking of charging status.
- Customizable battery charge alerts
- Apple Watch charging progress monitoring
- Charging session history tracking
- Battery life optimization tips
- Energy saving features
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*1st App with Charged Notification since 2009 *120k users worldwide You no longer need to waste your time looking at your iPhone till your battery is charged, you will be alerted once your battery reaches your desired level. With the Apple Watch app, you can check your iPhone charging progress from your watch, making things even more convenient. In addition to the charged notifications, BatteryFull+ (alarm) now provides a history of your charging sessions. You can track how long it takes to charge your device, and see how much time you spend charging it. With this feature, you can optimize your charging habits and extend your device's battery life. How does it Work? For iPhone Users Simply plug in your device and turn on the app. Set the alarm by moving the alarm icon to your desired level, and activate it by clicking "Set Alarm." Keep the app open and your phone unlocked for the alarm to sound at the desired level. With the pro feature, you can also view your charging history and track your charging habits to optimize your device's battery life. For Apple Watch Users You can check the battery level of your iPhone anytime or you can check your iPhone charging progress from your watch using the Apple Watch app. Enable notifications on your Apple Watch and you will receive notification during charging. Achievements Ranked in the top 100 free utilities in 43 countries and the top 100 paid utilities in 15 and 17 countries in November and December 2009 What our customers said: "If you 'love' your iPhone, this app is a must-have." - Thai Tanic "Is highly recommended" - Fredericia iPhone Macho "Excellent" - Nabil Ahmed "Exactly what was missing!!!" Here are some reviews from sites: "Sitting around waiting for your battery to be fully charged is dumb! With BatteryFull+ (alarm), you'll still have to sit around, but at least you won't have to check it every 5 minutes... just wait for the app to tell you when your battery is fully charged." - iPhoneAppReviews "The application BatteryFull can help you save energy. The iPhone is fully charged within two hours, so there's no need to keep it on the charger the entire night." - iPhoneFreakz
Sidebar | Fast Notes
Quickly capture thoughts and ideas without the need for organization. Entries are timestamped logs that can be tagged as to-dos or personal wins/losses. Syncs across devices with custom themes and a stealth mode.
- Instant note capture
- Timestamped entries
- To-do list integration
- Personal scoreboard
- Cross-device sync
- Custom themes
- Stealth mode
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Open. Type. Done. Sidebar opens fast, keyboard ready for your ideas. No folders, no document names, no organizing. Just get the idea down before it's gone. Entries are timestamped logs, not documents. But some logs do more. Tag an entry as a todo and it joins your lightweight task list. Tag it as a personal win or loss and it goes to your scoreboard, ranked by topic. What's inside: Cross-device sync across iOS and macOS, custom themes, and stealth mode for sensitive notes.
Screenshots
Verdict
BatteryFull + (Alarm) and Sidebar | Fast Notes both sit at 5.0 stars, but that hides the real split: 100% of Sidebar | Fast Notes's written reviews are positive against 38% of BatteryFull + (Alarm)'s. Sidebar | Fast Notes also leads on in-app purchases (none vs 1). BatteryFull + (Alarm)'s advantage is update cadence (monthly vs every 3 months). On price, rating, ratings volume and ads 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. BatteryFull + (Alarm) sells 1 one-off in-app purchase. Sidebar | Fast Notes asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for BatteryFull + (Alarm) against 5.0 for Sidebar | Fast Notes. Both are backed by a comparable volume of ratings — 3 and 7 respectively. Written reviews are what separate them: 38% of BatteryFull + (Alarm)'s written reviews are positive against 100% of Sidebar | Fast Notes's.
BatteryFull + (Alarm) ships an update monthly, Sidebar | Fast Notes every 3 months. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.
| Parameter | BatteryFull + (Alarm) | Sidebar | Fast Notes |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (7 ratings) |
| Positive reviews | 37.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 3 | 7 — better |
| Update frequency | Monthly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPad |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 24 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Teokoul | Chris Woods |
Customer experience
BatteryFull + (Alarm)
Sidebar | Fast Notes
In-app purchases
BatteryFull + (Alarm)
- Pro Version$0.99
Sidebar | Fast Notes
No in-app purchases
Questions
Is BatteryFull + (Alarm) free?
Is Sidebar | Fast Notes free?
Which has better reviews, BatteryFull + (Alarm) or Sidebar | Fast Notes?
Do BatteryFull + (Alarm) or Sidebar | Fast Notes have ads?
Which is updated more often, BatteryFull + (Alarm) or Sidebar | Fast Notes?
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