# Substrack vs ink.exe

The clearest difference is price: ink.exe at Free against Substrack's $4.99. ink.exe also leads on update cadence (every 5 days vs every 3 weeks) and iOS requirement (15.0 vs 26.0). Substrack's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

ink.exe is free to download; Substrack costs $4.99 up front. ink.exe sells 1 one-off in-app purchase. Substrack asks for nothing beyond the download.

Substrack ships an update every 3 weeks, ink.exe every 5 days. The most recent releases landed on October 30, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Substrack | ink.exe |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Positive reviews | 86.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Paid | — |
| Size | 82 MB | 23 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Jinkyum Park](https://appshunter.io/developer/1697268479) | [chaeeun yoon](https://appshunter.io/developer/6809802165) |

## 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


### ink.exe

[App page](https://appshunter.io/ios/app/inkexe/id6817623079)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 펜네임 | $0.99 | one-time |


## Frequently asked questions

### Is Substrack free?

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

### Is ink.exe free?

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

### Do Substrack or ink.exe have ads?

Neither Substrack nor ink.exe shows ads.

### Which is updated more often, Substrack or ink.exe?

Substrack ships an update every 3 weeks, and ink.exe every 5 days. Most recently, Substrack was updated on October 30, 2026 and ink.exe on October 26, 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.*