# Diet Tracker Life Fasting 16 vs Fast

The clearest difference is iOS requirement: Diet Tracker Life Fasting 16 at 11.0 against Fast's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Diet Tracker Life Fasting 16 sells 2 one-off in-app purchases and Fast sells 8 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Diet Tracker Life Fasting 16 ships an update every 6 weeks, Fast every 2 months. Both last shipped on November 7, 2026.

## The numbers

| Metric | Diet Tracker Life Fasting 16 | Fast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3.3K ratings)](https://appshunter.io/ios/app/fast-fasting-tracker-and-timer/id1545737691/reviews)** |
| Number of ratings | — | **3.3K** |
| Positive reviews | — | 74.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 21 MB | 116 MB |
| Requires iOS | **11.0** | 18.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Nattapon Kittisuphat](https://appshunter.io/developer/1112583260) | [Maxima Apps](https://appshunter.io/developer/1153277200) |

## What reviewers say

### Diet Tracker Life Fasting 16

[App page](https://appshunter.io/ios/app/diet-tracker-life-fasting-168/id1478246349)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro features limited time | $2.99 | one-time |
| Pro features | $5.99 | one-time |


### Fast

[App page](https://appshunter.io/ios/app/fast-fasting-tracker-and-timer/id1545737691)

This app helps you track intermittent fasting routines, monitor progress, and analyze health data. It offers educational content, motivational challenges, and a journal to record your feelings. Connect with friends for support and motivation on your wellness journey.

**Highlights:** Fasting timer and tracker, Progress analytics and history, Educational 'Know It' section, Motivational challenges and trophies, Mood tracker and journal, Health app integration (steps), Fasting buddy feature

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fast Premium Monthly | $4.99 | per month |
| Fasting Monthly | $14.99 | per month |
| Fasting Annually | $19.99 | per year |
| Fasting Premium | $27.99 | per 3 months |
| Fast Premium Yearly | $29.99 | per year |
| Fasting Premium Yearly | $39.99 | per year |
| Fasting One Time Special Offer | $19.99 | one-time |
| Fasting Pro | $49.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 👍 Helpful for weight loss
- 👍 Motivating with trophies
- 👍 Customizable fasting plans
- 👍 Integrates with health apps

**What reviewers complain about**

- 🐛 Timer issues/inaccuracies
- 🐛 Inability to edit fasting times
- 🐛 Syncing/data saving problems
- 🐛 Crashes and glitches
- 🔍 Lacking advanced features

**Reported bugs**

- Timer not accurately recording fasting times
- Inability to update weight in app
- Crashing when trying to view friend's status

**Requested features**

- Option to edit fasting start/end times
- More detailed analytics and progress tracking
- Improved syncing and data saving reliability
- Expanded customization options


## Frequently asked questions

### Is Diet Tracker Life Fasting 16 free?

Diet Tracker Life Fasting 16 is free to download, with in-app purchases available.

### Is Fast free?

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

### Do Diet Tracker Life Fasting 16 or Fast have ads?

Neither Diet Tracker Life Fasting 16 nor Fast shows ads.

### Which is updated more often, Diet Tracker Life Fasting 16 or Fast?

Diet Tracker Life Fasting 16 ships an update every 6 weeks, and Fast every 2 months. Most recently, Diet Tracker Life Fasting 16 was updated on November 7, 2026 and Fast on November 7, 2026.

---

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