# Sub3 vs OpenSub

The clearest difference is in-app purchases: OpenSub at none against Sub3's 3. Sub3's advantage is update cadence (every 9 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

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

Sub3 ships an update every 9 days, OpenSub every 3 weeks. The most recent releases landed on September 5, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Sub3 | OpenSub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/opensub/id6762130793/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | — | Free |
| Size | 33 MB | 3 MB |
| Requires iOS | 18 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [辉 彭](https://appshunter.io/developer/1780252118) | [Shanghai Haishi Culture Technology Co., Ltd.](https://appshunter.io/developer/1893052687) |

## 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 |


### OpenSub

[App page](https://appshunter.io/ios/app/opensub/id6762130793)

This app helps you visualize and manage your recurring bills and subscriptions. It provides clear, receipt-style summaries of your spending, with customizable reminders to avoid surprise renewals. Track active and ended subscriptions with ease.

**Highlights:** Recurring bill visualization, Subscription management, Renewal and trial reminders, Auto-import from App Store, Spending summaries, Archived subscription details

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sub3 free?

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

### Is OpenSub free?

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

### Do Sub3 or OpenSub have ads?

Neither Sub3 nor OpenSub shows ads.

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

Sub3 ships an update every 9 days, and OpenSub every 3 weeks. Most recently, Sub3 was updated on September 5, 2026 and OpenSub on September 14, 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.*