# Substrack vs 펫로그

The clearest difference is price: 펫로그 at Free against Substrack's $4.99. 펫로그 also leads on iOS requirement (15.1 vs 26.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

펫로그 is free to download; Substrack costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Substrack ships an update every 3 weeks, 펫로그 every 5 weeks. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Substrack | 펫로그 |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Positive reviews | 86.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Paid | — |
| Size | 82 MB | 27 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Jinkyum Park](https://appshunter.io/developer/1697268479) | [GARAM KIM](https://appshunter.io/developer/1670032526) |

## What reviewers say

### Substrack

[App page](https://appshunter.io/ios/app/substrack-bills-tracker/id6451234943)

Track recurring expenses with a D-DAY countdown, widgets, and notifications. Easily add and manage subscriptions, and visualize your spending habits with detailed statistics. Features iCloud backup and dark mode for a seamless experience.

**Highlights:** Manage recurring expenses, D-DAY countdown, Widgets and notifications, Subscription browsing and adding, Expense statistics, iCloud backup, Dark mode

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

**In-app purchases:** none


### 펫로그

[App page](https://appshunter.io/ios/app/id6762546544)

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

**In-app purchases:** none


## Frequently asked questions

### Is Substrack free?

Substrack costs $4.99, with no in-app purchases.

### Is 펫로그 free?

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

### Do Substrack or 펫로그 have ads?

Neither Substrack nor 펫로그 shows ads.

### Which is updated more often, Substrack or 펫로그?

Substrack ships an update every 3 weeks, and 펫로그 every 5 weeks. Most recently, Substrack was updated on October 9, 2026 and 펫로그 on October 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.*