Amperes 4 vs Timer Buddy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Amperes 4
This app helps you understand your device's charging performance. It diagnoses charging issues, compares different charging methods, and monitors battery health with detailed data and alarms. Get insights into your power setup for optimal device longevity.
- Battery charging rates (mA and wattage)
- Hardware comparison testing
- Detailed charging graphs
- Global charging speed benchmarking
- Intelligent battery alarms
- System vital monitoring
Read full descriptionHide full description
Take Control of Your Power with Amperes 4 Stop guessing why your phone is charging slowly. Amperes 4 is the ultimate diagnostic tool designed to help you test your charging setup, identify faulty hardware, and monitor your device's health with professional-grade precision. Key Features Battery Charging Rates: Get the mA and wattage data to see exactly how much juice is flowing into your battery. Hardware Comparisons: Side-by-side testing for wired vs. wireless chargers, power banks, and different cable types. Deep Data & Graphs: Visualize your charging sessions with detailed, interactive graphs that track performance over time. Global Benchmarking: Compare your charging speeds with other users online to see if your gear is performing at its peak. Intelligent Battery Alarm: Get notified the moment your battery reaches your desired level to help prolong its lifespan. System Vital Monitoring: Track thermal status, memory usage, and disk space alongside your battery metrics. Professional Testing Tools Customized Logging: Add notes about wire brands or charger models to your tests for future reference. Color-Coded Results: Intuitive UI instantly shows you if a charger is "Good," "Average," or "Bad." Exportable Data: Need the raw numbers? Export your test results for external analysis or record-keeping. Why Amperes 4? Whether you are testing a brand-new GaN charger, verifying a "fast-charging" cable, or troubleshooting a power bank, Amperes 4 gives you the transparency you need to keep your devices running efficiently. Stop wasting time with bad cables. Get the data. Get Amperes 4.
Timer Buddy
This app helps track thinking time for two players with various timing methods and a large, easy-to-read display. It offers audible notifications, countdowns for the last ten seconds, and remembers your settings. It's compatible with both iPhone and iPad.
- Multiple timing methods
- Large display
- Pause/Resume functionality
- Audible notifications
- Last ten seconds countdown
- Remembers settings
- iPhone and iPad compatible
Read full descriptionHide full description
Timer Buddy will keep track of the thinking time for two players. Features include: - Seven different timing methods (eight if you count the extra Fischer variant.) - Large display for easy to see time. - Pause/Resume timing. - Audible notifications that can be turned on or off. - Last ten seconds counted down. - App will remember last used settings. - Can use on iPhone or iPad. Timer Buddy is FREE during this introductory period. Price will be CAN 1.39 shortly. Download it now. If other timing methods are desired please contact me. The email address is in the app Help screen.
Screenshots
Verdict
The clearest difference is review sentiment: Timer Buddy at 100% against Amperes 4's 47%. Timer Buddy also leads on rating (5.0 vs 4.4) and update cadence (every 2 weeks vs every 2 months). Amperes 4's advantage is ratings volume (652 vs 1) and chart position (#107 vs unranked). On ads, in-app purchases, 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
Amperes 4 costs $2.99 and Timer Buddy $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Timer Buddy holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Amperes 4 has 652 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 47% of Amperes 4's written reviews are positive against 100% of Timer Buddy's.
Amperes 4 ships an update every 2 months, Timer Buddy every 2 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Amperes 4 | Timer Buddy |
|---|---|---|
| Price | $2.99 | $0.99 — better |
| Rating | 4.4 (652 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 46.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 652 — better | 1 |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Best chart rank | #107 — better | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPad |
| Requires iOS | 17.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 36 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | CrioSoft LLC | Carlos Costa |
Customer experience
Amperes 4
Timer Buddy
Bugs and requests
Amperes 4
Reported bugs
4 issues- Charging test results in total nonsense
- Doesn't work on iPad in landscape mode
- Login screen freezes
- Incompatible with older devices
Requested features
4 requests- Dark mode option
- Advanced analytics dashboard
- Ability to save charger/wire names
- Ability to monitor charging in the background
Timer Buddy
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Amperes 4
No in-app purchases
Timer Buddy
No in-app purchases
Questions
Is Amperes 4 free?
Is Timer Buddy free?
Which has better reviews, Amperes 4 or Timer Buddy?
Do Amperes 4 or Timer Buddy have ads?
Which is updated more often, Amperes 4 or Timer Buddy?
Other comparisons
