# VoltLog vs Supermate

The clearest difference is update cadence: Supermate at every 2 days against VoltLog's every 10 days. Supermate also leads on device support (3 vs 1). VoltLog's advantage is iOS requirement (16.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. VoltLog sells 3 in-app purchases, starting at $9.99 per month and Supermate sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

VoltLog ships an update every 10 days, Supermate every 2 days. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | VoltLog | Supermate |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 2 days** |
| Size | 54 MB | 40 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Filip Rusin](https://appshunter.io/developer/1883368937) | [Mario Lopez Frigenti](https://appshunter.io/developer/6805937632) |

## What reviewers say

### VoltLog

[App page](https://appshunter.io/ios/app/voltlog-battery-logs/id6766874761)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $9.99 | per month |
| Yearly Pro | $39.99 | per year |
| Lifetime Pro | $99.99 | one-time |


### Supermate

[App page](https://appshunter.io/ios/app/supermate-ev-cost-tracker/id6805937630)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Supermate Pro | $12.99 | one-time |


## Frequently asked questions

### Is VoltLog free?

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

### Is Supermate free?

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

### Do VoltLog or Supermate have ads?

Neither VoltLog nor Supermate shows ads.

### Which is updated more often, VoltLog or Supermate?

VoltLog ships an update every 10 days, and Supermate every 2 days. Most recently, VoltLog was updated on October 6, 2026 and Supermate on October 8, 2026.

---

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