# TrueFast vs FastLine

The clearest difference is update cadence: TrueFast at every 6 days against FastLine's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. TrueFast sells 6 in-app purchases, starting at $2.99 per month and FastLine sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

TrueFast ships an update every 6 days, FastLine monthly. The most recent releases landed on September 15, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | TrueFast | FastLine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/truefast/id6762436547/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Monthly |
| Monetization | Freemium | — |
| Size | 6 MB | 13 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Evan Mattson](https://appshunter.io/developer/1887047359) | [Moaath Othman](https://appshunter.io/developer/866641649) |

## What reviewers say

### TrueFast

[App page](https://appshunter.io/ios/app/truefast/id6762436547)

Track your intermittent fasting journey with a clean, ad-free interface. Monitor your progress, set personalized goals, and access educational content. Offers seamless integration with Apple Watch and Lock Screen widgets for easy access.

**Highlights:** Fasting timer with elapsed and remaining time, Saved goals for common fasting plans, Schedules and reminders, History calendar, streaks, and badges, Lock Screen widgets and Apple Watch support, Fasting phase education, Local-first data storage

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TrueFast Pro Monthly | $2.99 | per month |
| TrueFast Pro Yearly | $19.99 | per year |
| Buy Us a Coffee | $1.99 | one-time |
| Power the Fast | $4.99 | one-time |
| Super Supporter | $9.99 | one-time |
| TrueFast Pro (Lifetime) | $29.99 | one-time |


### FastLine

[App page](https://appshunter.io/ios/app/fastline-fasting-timer/id6780896658)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| FastLine Pro | $19.99 | per year |
| FastLine Pro | $29.99 | one-time |


## Frequently asked questions

### Is TrueFast free?

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

### Is FastLine free?

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

### Do TrueFast or FastLine have ads?

Neither TrueFast nor FastLine shows ads.

### Which is updated more often, TrueFast or FastLine?

TrueFast ships an update every 6 days, and FastLine monthly. Most recently, TrueFast was updated on September 15, 2026 and FastLine 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.*