# Subscription Tracker vs PDF Unlocker Pro

The clearest difference is in-app purchases: PDF Unlocker Pro at none against Subscription Tracker's 1. PDF Unlocker Pro also leads on update cadence (every 5 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Subscription Tracker sells 1 one-off in-app purchase. PDF Unlocker Pro asks for nothing beyond the download.

Subscription Tracker ships an update every 2 months, PDF Unlocker Pro every 5 days. The most recent releases landed on September 14, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Subscription Tracker | PDF Unlocker Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 13 MB | 5 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mark Robert Sindoni Houghton](https://appshunter.io/developer/1658399000) | [Ashen Ishanka Costha](https://appshunter.io/developer/1566497857) |

## What reviewers say

### Subscription Tracker

[App page](https://appshunter.io/ios/app/subscription-tracker-subero/id6468889771)

Easily track all your recurring monthly payments and gain quick insights into your subscription spending. Calculate total costs, remaining income, and predicted annual spend with just a few taps. Customize with colors and view beautiful pie charts for a clear overview.

**Highlights:** Track all subscriptions, Calculate total costs, Predict annual spend, Customize with colors, View pie chart insights, Convert monthly/annual prices

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $4.99 | one-time |


### PDF Unlocker Pro

[App page](https://appshunter.io/ios/app/pdf-unlocker-pro/id6752602587)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Subscription Tracker free?

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

### Is PDF Unlocker Pro free?

PDF Unlocker Pro is free to download, with no in-app purchases.

### Do Subscription Tracker or PDF Unlocker Pro have ads?

Neither Subscription Tracker nor PDF Unlocker Pro shows ads.

### Which is updated more often, Subscription Tracker or PDF Unlocker Pro?

Subscription Tracker ships an update every 2 months, and PDF Unlocker Pro every 5 days. Most recently, Subscription Tracker was updated on September 14, 2026 and PDF Unlocker Pro on September 8, 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.*