# Amperes 4 vs Timer Buddy

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 (#137 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

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.

## The numbers

| Metric | Amperes 4 | Timer Buddy |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| Rating | [4.4 (652 ratings)](https://appshunter.io/ios/app/amperes-4-battery-charge-info/id1245475416/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/timer-buddy/id1478433981/reviews)** |
| Number of ratings | **652** | 1 |
| Positive reviews | 46.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | **Free** | Paid |
| Best chart rank | **#137** | — |
| Size | 36 MB | 1 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CrioSoft LLC](https://appshunter.io/developer/1245475415) | [Carlos Costa](https://appshunter.io/developer/1138036761) |

## What reviewers say

### Amperes 4

[App page](https://appshunter.io/ios/app/amperes-4-battery-charge-info/id1245475416)

**Currently charting:** #137 Top Paid · Utilities (US App Store)

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.

**Highlights:** Battery charging rates (mA and wattage), Hardware comparison testing, Detailed charging graphs, Global charging speed benchmarking, Intelligent battery alarms, System vital monitoring

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Uniquely useful
- 🚀 Only way to test charging
- 👍 Probando
- 👍 Used for YEARS
- 👍 Works well despite limited / restricted OS functions

**What reviewers complain about**

- 🐛 Does not work on iPhone as advertised
- 🐛 Doesn't give rate of charge
- 🐛 Useless on newer iOS
- 🐛 Slow and useless
- 🐛 Fraudulent App

**Reported bugs**

- Charging test results in total nonsense
- Doesn't work on iPad in landscape mode
- Login screen freezes
- Incompatible with older devices

**Requested features**

- Dark mode option
- Advanced analytics dashboard
- Ability to save charger/wire names
- Ability to monitor charging in the background


### Timer Buddy

[App page](https://appshunter.io/ios/app/timer-buddy/id1478433981)

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.

**Highlights:** Multiple timing methods, Large display, Pause/Resume functionality, Audible notifications, Last ten seconds countdown, Remembers settings, iPhone and iPad compatible

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Amperes 4 free?

Amperes 4 costs $2.99, with no in-app purchases.

### Is Timer Buddy free?

Timer Buddy costs $0.99, with no in-app purchases.

### Which has better reviews, Amperes 4 or Timer Buddy?

Timer Buddy is rated higher. Amperes 4 averages 4.4 out of 5 from 652 ratings, while Timer Buddy averages 5.0 from 1 ratings.

### Do Amperes 4 or Timer Buddy have ads?

Neither Amperes 4 nor Timer Buddy shows ads.

### Which is updated more often, Amperes 4 or Timer Buddy?

Amperes 4 ships an update every 2 months, and Timer Buddy every 2 weeks. Most recently, Amperes 4 was updated on November 1, 2026 and Timer Buddy on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*