# Terra Supreme Battery vs PowrSync

The clearest difference is in-app purchases: Terra Supreme Battery at none against PowrSync's 4. Terra Supreme Battery also leads on iOS requirement (16.0 vs 18.0). PowrSync's advantage is update cadence (monthly vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. PowrSync sells 4 in-app purchases, starting at $1.99 per month. Terra Supreme Battery asks for nothing beyond the download.

Terra Supreme Battery ships an update every 3 months, PowrSync monthly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Terra Supreme Battery | PowrSync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 38 MB | 2 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Terra Supreme Battery LLC](https://appshunter.io/developer/1828144508) | [Anh Ly](https://appshunter.io/developer/6772433402) |

## What reviewers say

### Terra Supreme Battery

[App page](https://appshunter.io/ios/app/terra-supreme-battery/id6762522334)

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

**In-app purchases:** none


### PowrSync

[App page](https://appshunter.io/ios/app/powrsync/id6772433280)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PowrSync Pro (Monthly) | $1.99 | per month |
| PowrSync Premium (Monthly) | $3.99 | per month |
| PowrSync Pro (Yearly) | $14.99 | per year |
| PowrSync Premium (Yearly) | $24.99 | per year |


## Frequently asked questions

### Is Terra Supreme Battery free?

Terra Supreme Battery is free to download, with no in-app purchases.

### Is PowrSync free?

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

### Do Terra Supreme Battery or PowrSync have ads?

Neither Terra Supreme Battery nor PowrSync shows ads.

### Which is updated more often, Terra Supreme Battery or PowrSync?

Terra Supreme Battery ships an update every 3 months, and PowrSync monthly. Most recently, Terra Supreme Battery was updated on October 25, 2026 and PowrSync 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.*