# Amperes 4 vs TimeWave

The clearest difference is price: TimeWave at Free against Amperes 4's $2.99. TimeWave also leads on review sentiment (86% vs 47%) and rating (4.6 vs 4.4). Amperes 4's advantage is in-app purchases (none vs 3) and ratings volume (650 vs 25). On ads and device support there is nothing between them.

TimeWave is free to download; Amperes 4 costs $2.99 up front. TimeWave sells 3 in-app purchases, starting at $4.99 per month. Amperes 4 asks for nothing beyond the download.

TimeWave holds the better App Store score, 4.6 against 4.4. That said, the two scores are not equally well evidenced: Amperes 4 has 650 ratings behind it against 25, 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 86% of TimeWave's.

Amperes 4 ships an update every 2 months, TimeWave every 3 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Amperes 4 | TimeWave |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.4 (650 ratings)](https://appshunter.io/ios/app/amperes-4-battery-charge-info/id1245475416/reviews) | **[4.6 (25 ratings)](https://appshunter.io/ios/app/timewave-timer-chains/id1524345488/reviews)** |
| Number of ratings | **650** | 25 |
| Positive reviews | 46.7% of reviews | **85.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Freemium |
| Best chart rank | **#91** | — |
| Size | 36 MB | 49 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [CrioSoft LLC](https://appshunter.io/developer/1245475415) | [Muhammed Sahil Arayakandy](https://appshunter.io/developer/1524345491) |

## What reviewers say

### Amperes 4

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

**Currently charting:** #91 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


### TimeWave

[App page](https://appshunter.io/ios/app/timewave-timer-chains/id1524345488)

This versatile timer app allows users to create custom sequences for various activities, from breathwork and workouts to focus sessions and cooking. It offers AI-powered voice guidance, iCloud synchronization across Apple devices, and a minimalist black-and-white interface.

**Highlights:** Customizable timer chains, Breathwork flow builder, Intermittent fasting timers, Workout routine creator, Focus and Pomodoro timers, AI voice guidance, iCloud sync across devices

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $24.99 | per year |
| Lifetime Premium | $49.99 | one-time |


## Frequently asked questions

### Is Amperes 4 free?

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

### Is TimeWave free?

TimeWave is free to download, with in-app purchases available.

### Which has better reviews, Amperes 4 or TimeWave?

TimeWave is rated higher. Amperes 4 averages 4.4 out of 5 from 650 ratings, while TimeWave averages 4.6 from 25 ratings.

### Do Amperes 4 or TimeWave have ads?

Neither Amperes 4 nor TimeWave shows ads.

### Which is updated more often, Amperes 4 or TimeWave?

Amperes 4 ships an update every 2 months, and TimeWave every 3 weeks. Most recently, Amperes 4 was updated on October 26, 2026 and TimeWave on October 24, 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.*