# 16 vs Fasted

16 and Fasted are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. 16 sells 3 in-app purchases, starting at $1.99 per month and Fasted sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

16 ships an update every 9 days, Fasted every 6 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 16 | Fasted |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (54 ratings)](https://appshunter.io/ios/app/168-intermittent-fasting/id6708227128/reviews)** | — |
| Number of ratings | **54** | — |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 47 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Heze Refresh Network Technology Co., Ltd](https://appshunter.io/developer/1690178793) | [Ben Basha](https://appshunter.io/developer/1869851400) |

## What reviewers say

### 16

[App page](https://appshunter.io/ios/app/168-intermittent-fasting/id6708227128)

This app helps users adopt intermittent fasting by tracking fasting periods, weight changes, and daily water intake. It integrates with Apple Health to import exercise data, providing insights into daily activity alongside dietary progress.

**Highlights:** Fasting tracking, Weight tracking, Water intake tracking, HealthKit integration, Fasting progress visualization

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Monthly) | $1.99 | per month |
| Pro (Yearly) | $8.99 | per year |
| Pro (Lifetime) | $17.99 | one-time |


### Fasted

[App page](https://appshunter.io/ios/app/fasted-fasting-stages-timer/id6783298606)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fasted Pro | $7.99 | one-time |


## Frequently asked questions

### Is 16 free?

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

### Is Fasted free?

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

### Do 16 or Fasted have ads?

Neither 16 nor Fasted shows ads.

### Which is updated more often, 16 or Fasted?

16 ships an update every 9 days, and Fasted every 6 days. Most recently, 16 was updated on October 24, 2026 and Fasted on October 25, 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.*