# MathDrill vs Battery Tracker

The clearest difference is in-app purchases: MathDrill at none against Battery Tracker's 5. MathDrill also leads on ads (none vs shown). Battery Tracker's advantage is device support (3 vs 1). On price and iOS requirement there is nothing between them.

Both are free to download. Battery Tracker sells 5 in-app purchases, starting at $1.99 per month. MathDrill asks for nothing beyond the download.

## The numbers

| Metric | MathDrill | Battery Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 48 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [应龙 张](https://appshunter.io/developer/1514562080) | [JAEMIN LEE](https://appshunter.io/developer/1787329213) |

## What reviewers say

### MathDrill

[App page](https://appshunter.io/ios/app/mathdrill-speed-practice/id6768584135)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Battery Tracker

[App page](https://appshunter.io/ios/app/battery-tracker-phone-battery/id6777437672)

Monitor your phone's battery health and charging habits. Track charge and discharge sessions, analyze charging speeds, and receive smart notifications to extend your device's lifespan. Offers detailed insights and data export options.

**Highlights:** Real-time battery monitoring, Automatic charge/discharge logging, Battery analysis (premium), Smart notifications, Data export (CSV, JSON), Charging speed diagnostics

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Battery Tracker Pro Monthly | $1.99 | per month |
| Battery Tracker Pro 3-Month | $4.99 | per 3 months |
| Battery Tracker Pro 6-Month | $8.99 | per 6 months |
| Battery Tracker Pro Annual | $14.99 | per year |
| Remove Ads (Lifetime) | $29.99 | one-time |


## Frequently asked questions

### Is MathDrill free?

MathDrill is free to download, with no in-app purchases.

### Is Battery Tracker free?

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

### Do MathDrill or Battery Tracker have ads?

Battery Tracker shows ads; MathDrill does not.

---

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