# Fasting Clock vs Lyte

The clearest difference is in-app purchases: Fasting Clock at none against Lyte's 5. Fasting Clock also leads on update cadence (every 2 days vs every 3 days) and iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Lyte sells 5 in-app purchases, starting at $12.99 per month. Fasting Clock asks for nothing beyond the download.

Fasting Clock ships an update every 2 days, Lyte every 3 days. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Fasting Clock | Lyte |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 days |
| Size | 34 MB | 2 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [anna kim](https://appshunter.io/developer/1895527781) | [Yong Hyun Kwon](https://appshunter.io/developer/1873962338) |

## What reviewers say

### Fasting Clock

[App page](https://appshunter.io/ios/app/fasting-clock-if/id6763856247)

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

**In-app purchases:** none


### Lyte

[App page](https://appshunter.io/ios/app/lyte-fasting-tracker/id6780066088)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lyte Pro — Monthly | $12.99 | per month |
| Lyte Pro — Yearly | $44.99 | per year |
| Lyte Pro — Lifetime | $11.99 | one-time |
| Lyte Pro — Lifetime | $49.99 | one-time |
| Lyte Pro — Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Fasting Clock free?

Fasting Clock is free to download, with no in-app purchases.

### Is Lyte free?

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

### Do Fasting Clock or Lyte have ads?

Neither Fasting Clock nor Lyte shows ads.

### Which is updated more often, Fasting Clock or Lyte?

Fasting Clock ships an update every 2 days, and Lyte every 3 days. Most recently, Fasting Clock was updated on October 8, 2026 and Lyte on October 9, 2026.

---

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