# Zee vs LeanFast

The clearest difference is iOS requirement: Zee at 15.0 against LeanFast's 26.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Zee sells 2 in-app purchases, starting at $4.99 per month and LeanFast sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Zee | LeanFast |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | Every 4 days |
| Size | 11 MB | 47 MB |
| Requires iOS | **15.0** | 26.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Sharon Kobi](https://appshunter.io/developer/1895872079) | [Hajer Trabelsi](https://appshunter.io/developer/6826828505) |

## What reviewers say

### Zee

[App page](https://appshunter.io/ios/app/zee-calorie-deficit-tracker/id6764670329)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZeroPoint Pro Monthly | $4.99 | per month |
| ZeroPoint Pro Yearly | $39.99 | per year |


### LeanFast

[App page](https://appshunter.io/ios/app/leanfast-intermittent-fasting/id6818318288)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Prism Monthly | $3.99 | per month |
| Prism Yearly | $29.99 | per year |
| Prism Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Zee free?

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

### Is LeanFast free?

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

### Do Zee or LeanFast have ads?

Neither Zee nor LeanFast shows ads.

### Which is updated more often, Zee or LeanFast?

Zee ships an update every 4 days, and LeanFast every 4 days. Most recently, Zee was updated on October 28, 2026 and LeanFast on October 31, 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.*