# Substrack vs PrayKey

The clearest difference is price: PrayKey at Free against Substrack's $4.99. PrayKey also leads on update cadence (daily vs every 3 weeks) and iOS requirement (16.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

PrayKey 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, PrayKey daily. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Substrack | PrayKey |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Positive reviews | 86.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | **Paid** | Subscription |
| Size | 82 MB | 52 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jinkyum Park](https://appshunter.io/developer/1697268479) | [ClearWhite](https://appshunter.io/developer/1856116181) |

## 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


### PrayKey

[App page](https://appshunter.io/ios/app/praykey-prayer-and-app-blocker/id6759605229)

This app helps you build a prayer habit by pausing your smartphone usage. It blocks selected apps and guides you through AI-generated prayers based on your mood and situation before allowing access.

**Highlights:** App blocking, AI-generated custom prayers, Prayer streaks tracking, Prayer journey analysis, Mood and situation-based guidance

**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 PrayKey free?

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

### Do Substrack or PrayKey have ads?

Neither Substrack nor PrayKey shows ads.

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

Substrack ships an update every 3 weeks, and PrayKey daily. Most recently, Substrack was updated on October 30, 2026 and PrayKey on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*