SLT Organizer vs Substrack
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
SLT Organizer
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SLTMobitel has been producing its annual calendar under the theme of βpreserving heritage for tomorrowβ for over 15 years. From the year 2018 onwards, we wish to extend the reach of our calendars and make our presence in personal digital devices to fulfill the purpose of a digital calendar application for our valuable users. SLTMobitel annual calendar and archives. Local calendar and holidays. Personalization options such as Tasks, Reminders & Calendar events. Required location permission for give current weather in your area in Widget
Substrack
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.
- Manage recurring expenses
- D-DAY countdown
- Widgets and notifications
- Subscription browsing and adding
- Expense statistics
- iCloud backup
- Dark mode
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Primary Features β’ Manage Your Regular Expenses with D-DAY, Widget, Notifications β’ Browse and Easily Add Subscriptions β’ Examine Your Regular Expense Statistics Additional Features β’ iCloud Backup β’ Dark Mode β’ Optimized for iPad
Screenshots
Verdict
The clearest difference is price: SLT Organizer at Free against Substrack's $4.99. SLT Organizer also leads on iOS requirement (11.0 vs 26.0). Substrack's advantage is update cadence (every 3 weeks vs every 8 months). On ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
SLT Organizer is free to download; Substrack costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
SLT Organizer ships an update every 8 months, Substrack every 3 weeks. The most recent releases landed on September 13, 2026 and September 22, 2026 respectively.
| Parameter | SLT Organizer | Substrack |
|---|---|---|
| Price | Free β better | $4.99 |
| Positive reviews | β | 86.7% of reviews |
| Update frequency | Every 8 months | Every 3 weeks β better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | β | Paid |
| Devices | iPhone, iPad, iPod β better | iPhone, iPad |
| Requires iOS | 11.0 β better | 26.0 |
| Further details β not scored | ||
| Size | 36 MB | 82 MB |
| Age rating | 4+ | 4+ |
| Developer | Sri Lanka Telecom PLC | Jinkyum Park |
In-app purchases
SLT Organizer
No in-app purchases
Substrack
No in-app purchases
Questions
Is SLT Organizer free?
Is Substrack free?
Do SLT Organizer or Substrack have ads?
Which is updated more often, SLT Organizer or Substrack?
Other comparisons
