# OMDZ vs Substrack

The clearest difference is update cadence: Substrack at every 3 weeks against OMDZ's every 6 months. Substrack also leads on review sentiment (87% vs 63%). OMDZ's advantage is price ($0.99 vs $4.99) and iOS requirement (14.0 vs 26.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

OMDZ costs $0.99 and Substrack $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

OMDZ ships an update every 6 months, Substrack every 3 weeks. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | OMDZ | Substrack |
| --- | --- | --- |
| Price | **$0.99** | $4.99 |
| Positive reviews | 62.5% of reviews | **86.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 11 MB | 82 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JongRak Moon](https://appshunter.io/developer/1468653292) | [Jinkyum Park](https://appshunter.io/developer/1697268479) |

## What reviewers say

### OMDZ

[App page](https://appshunter.io/ios/app/omdz/id1468653293)

Record and manage your life's bucket list to ensure your dreams are not forgotten. This app provides a simple interface to save and track your goals, with a monthly review feature to check your progress. Keep your aspirations organized and accessible.

**Highlights:** Bucket list saving and management, Monthly progress review, Bucket list history, Simple interface, Phone and tablet support

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is OMDZ free?

OMDZ costs $0.99, with no in-app purchases.

### Is Substrack free?

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

### Do OMDZ or Substrack have ads?

Neither OMDZ nor Substrack shows ads.

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

OMDZ ships an update every 6 months, and Substrack every 3 weeks. Most recently, OMDZ was updated on September 21, 2026 and Substrack on September 22, 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.*