# aigo Link vs Sub3

The clearest difference is in-app purchases: aigo Link at none against Sub3's 3. aigo Link also leads on device support (3 vs 1) and iOS requirement (15 vs 18). Sub3's advantage is update cadence (every 9 days vs every 3 weeks). On price and ads there is nothing between them.

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

aigo Link ships an update every 3 weeks, Sub3 every 9 days. The most recent releases landed on September 28, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | aigo Link | Sub3 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Size | 222 MB | 33 MB |
| Requires iOS | **15** | 18 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [爱国者安全科技(北京)有限公司](https://appshunter.io/developer/1678213421) | [辉 彭](https://appshunter.io/developer/1780252118) |

## What reviewers say

### aigo Link

[App page](https://appshunter.io/ios/app/aigo-link/id6757315419)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is aigo Link free?

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

### Is Sub3 free?

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

### Do aigo Link or Sub3 have ads?

Neither aigo Link nor Sub3 shows ads.

### Which is updated more often, aigo Link or Sub3?

aigo Link ships an update every 3 weeks, and Sub3 every 9 days. Most recently, aigo Link was updated on September 28, 2026 and Sub3 on October 7, 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.*