# Waterfaster vs Fasting Tracker & 16

Waterfaster and Fasting Tracker & 16 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. Waterfaster sells 3 in-app purchases, starting at $3.99 per 7 days and Fasting Tracker & 16 sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Waterfaster ships an update every 11 days, Fasting Tracker & 16 every 2 weeks. The most recent releases landed on October 5, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Waterfaster | Fasting Tracker & 16 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 weeks |
| Size | 59 MB | 10 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [AMIT Solutions](https://appshunter.io/developer/1892726088) | [Ali Dinc](https://appshunter.io/developer/1522583405) |

## What reviewers say

### Waterfaster

[App page](https://appshunter.io/ios/app/waterfaster-fasting-tracker/id6762065095)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Waterfaster+ | $3.99 | per 7 days |
| Waterfaster+ | $44.99 | per year |
| Lifetime | $89.99 | one-time |


### Fasting Tracker & 16

[App page](https://appshunter.io/ios/app/fasting-tracker-and-168-timer/id6806782372)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FastPace+ Monthly | $6.99 | per month |
| FastPace+ Yearly | $24.99 | per year |


## Frequently asked questions

### Is Waterfaster free?

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

### Is Fasting Tracker & 16 free?

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

### Do Waterfaster or Fasting Tracker & 16 have ads?

Neither Waterfaster nor Fasting Tracker & 16 shows ads.

### Which is updated more often, Waterfaster or Fasting Tracker & 16?

Waterfaster ships an update every 11 days, and Fasting Tracker & 16 every 2 weeks. Most recently, Waterfaster was updated on October 5, 2026 and Fasting Tracker & 16 on October 14, 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.*