# Sub3 vs VoltVault

The clearest difference is in-app purchases: VoltVault at none against Sub3's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sub3 sells 3 in-app purchases, starting at $2.99 per month. VoltVault asks for nothing beyond the download.

Sub3 ships an update every 9 days, VoltVault fortnightly. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Sub3 | VoltVault |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Size | 33 MB | 1 MB |
| Requires iOS | 18 | **17.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 9+ |
| Developer | [辉 彭](https://appshunter.io/developer/1780252118) | [朝霞 程](https://appshunter.io/developer/1889121684) |

## What reviewers say

### Sub3

[App page](https://appshunter.io/ios/app/sub3-subscription-tracker/id6761181626)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| monthly | $2.99 | per month |
| yearly | $12.99 | per year |
| lifetime | $19.99 | one-time |


### VoltVault

[App page](https://appshunter.io/ios/app/voltvault/id6772879860)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sub3 free?

Sub3 is free to download, with in-app purchases available.

### Is VoltVault free?

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

### Do Sub3 or VoltVault have ads?

Neither Sub3 nor VoltVault shows ads.

### Which is updated more often, Sub3 or VoltVault?

Sub3 ships an update every 9 days, and VoltVault fortnightly. Most recently, Sub3 was updated on October 7, 2026 and VoltVault on October 10, 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.*