# Battery Testing vs Amperes 3

The clearest difference is price: Battery Testing at Free against Amperes 3's $0.99. Battery Testing also leads on update cadence (fortnightly vs every 6 months) and ratings volume (12K vs 98). Amperes 3's advantage is in-app purchases (none vs 1) and ads (none vs shown). On rating and device support there is nothing between them.

Battery Testing is free to download; Amperes 3 costs $0.99 up front. Battery Testing sells 1 one-off in-app purchase. Amperes 3 asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for Battery Testing against 4.5 for Amperes 3. That said, the two scores are not equally well evidenced: Battery Testing has 12K ratings behind it against 98, so its average is the more settled of the two. Written reviews are what separate them: 24% of Battery Testing's written reviews are positive against 38% of Amperes 3's.

Battery Testing ships an update fortnightly, Amperes 3 every 6 months. The most recent releases landed on November 9, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Battery Testing | Amperes 3 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [4.5 (12K ratings)](https://appshunter.io/ios/app/battery-testing/id887730232/reviews) | **[4.5 (98 ratings)](https://appshunter.io/ios/app/amperes-3-battery-life-info/id1473658822/reviews)** |
| Number of ratings | **12K** | 98 |
| Positive reviews | 24.5% of reviews | **38.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 6 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 24 MB | 44 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Binh Tran](https://appshunter.io/developer/1386007300) | [CrioSoft LLC](https://appshunter.io/developer/1245475415) |

## What reviewers say

### Battery Testing

[App page](https://appshunter.io/ios/app/battery-testing/id887730232)

This app helps you understand your iOS device's battery performance. It identifies battery runtimes and provides data to help you determine if your battery needs replacement. Monitor your device's battery health and runtime with detailed insights.

**Highlights:** Monitor device runtimes, Estimated and raw battery data, Check battery health, Identify battery issues

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Advertisements | $1.99 | one-time |

**What reviewers like**

- 👍 Useful for testing battery health
- 🙂 Provides detailed battery information
- 💡 Helpful for refurbished/older devices

**What reviewers complain about**

- 🔋 Inaccurate battery health readings
- 📺 Excessive ads interrupting testing
- 🐛 Inconsistent and unreliable results
- 🤔 Unclear what the scores represent

**Reported bugs**

- App crashes or stops responding during testing
- Incorrect device information detection

**Requested features**

- Provide more detailed battery health metrics
- Improve accuracy of battery testing
- Reduce ad interruptions during testing


### Amperes 3

[App page](https://appshunter.io/ios/app/amperes-3-battery-life-info/id1473658822)

Monitor your remaining battery life based on various activities such as web browsing or music playback. This app also helps you compare different chargers and wires, including wireless options and cases, and provides battery charge notification alarms.

**Highlights:** Remaining battery life estimation, Activity-based battery drain, Charger and wire comparison, Wireless charger support, Battery charge notification alarm

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Battery Testing free?

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

### Is Amperes 3 free?

Amperes 3 costs $0.99, with no in-app purchases.

### Which has better reviews, Battery Testing or Amperes 3?

Amperes 3 is rated higher. Battery Testing averages 4.5 out of 5 from 12K ratings, while Amperes 3 averages 4.5 from 98 ratings.

### Do Battery Testing or Amperes 3 have ads?

Battery Testing shows ads; Amperes 3 does not.

### Which is updated more often, Battery Testing or Amperes 3?

Battery Testing ships an update fortnightly, and Amperes 3 every 6 months. Most recently, Battery Testing was updated on November 9, 2026 and Amperes 3 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.*