# Zennbot vs Subscription Tracker

The clearest difference is in-app purchases: Zennbot at none against Subscription Tracker's 3. Zennbot also leads on device support (3 vs 1) and iOS requirement (14.0 vs 18.0). Subscription Tracker's advantage is ads (none vs shown) and update cadence (every 2 days vs every 3 months). On price there is nothing between them.

Both are free to download. Subscription Tracker sells 3 in-app purchases, starting at $3.99 per month. Zennbot asks for nothing beyond the download.

Zennbot ships an update every 3 months, Subscription Tracker every 2 days. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Zennbot | Subscription Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 days** |
| Size | 3 MB | 13 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [TradeHub LTD](https://appshunter.io/developer/1824709117) | [Ahmet Onur Sahin](https://appshunter.io/developer/1713945888) |

## What reviewers say

### Zennbot

[App page](https://appshunter.io/ios/app/zennbot/id6742362426)

**Features:** macOS Compatibility

**In-app purchases:** none


### Subscription Tracker

[App page](https://appshunter.io/ios/app/subscription-tracker-subclock/id6790950951)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SubClock Pro Monthly | $3.99 | per month |
| SubClock Pro Yearly | $29.99 | per year |
| SubClock Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Zennbot free?

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

### Is Subscription Tracker free?

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

### Do Zennbot or Subscription Tracker have ads?

Zennbot shows ads; Subscription Tracker does not.

### Which is updated more often, Zennbot or Subscription Tracker?

Zennbot ships an update every 3 months, and Subscription Tracker every 2 days. Most recently, Zennbot was updated on October 4, 2026 and Subscription Tracker on October 5, 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.*