# Big Days vs FastTrack

The clearest difference is price: FastTrack at Free against Big Days's $0.99. FastTrack also leads on device support (3 vs 1) and iOS requirement (14.0 vs 17.0). Big Days's advantage is in-app purchases (none vs 2). On update cadence and ads there is nothing between them.

FastTrack is free to download; Big Days costs $0.99 up front. FastTrack sells 2 in-app purchases, starting at $2.99 per year. Big Days asks for nothing beyond the download.

Big Days ships an update weekly, FastTrack every 5 days. The most recent releases landed on August 25, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Big Days | FastTrack |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/big-days-date-countdown/id6759002825/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 76.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Paid | — |
| Size | 3 MB | 49 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [刚 王](https://appshunter.io/developer/1380585947) | [Fernando Mendes](https://appshunter.io/developer/1878625841) |

## What reviewers say

### Big Days

[App page](https://appshunter.io/ios/app/big-days-date-countdown/id6759002825)

A minimalist app to track important future and past dates with a clean interface. Easily manage events, add notes, and receive local reminders. Offers home screen widgets for quick access.

**Highlights:** Count down and count up for events, Highlight events happening today, Edit, pin, and add notes to events, Home screen widgets for progress, Local reminders with repeat rules, iCloud sync across devices

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

**In-app purchases:** none


### FastTrack

[App page](https://appshunter.io/ios/app/fasttrack-fasting-timer/id6759444553)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly | $2.99 | per year |
| Lifetime | $5.99 | one-time |


## Frequently asked questions

### Is Big Days free?

Big Days costs $0.99, with no in-app purchases.

### Is FastTrack free?

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

### Do Big Days or FastTrack have ads?

Neither Big Days nor FastTrack shows ads.

### Which is updated more often, Big Days or FastTrack?

Big Days ships an update weekly, and FastTrack every 5 days. Most recently, Big Days was updated on August 25, 2026 and FastTrack on September 10, 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.*