# Proof vs Tairoku

The clearest difference is in-app purchases: Tairoku at none against Proof's 2. Proof's advantage is ads (none vs shown) and iOS requirement (15.1 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Proof sells 2 in-app purchases, starting at $4.99 per month. Tairoku asks for nothing beyond the download.

## The numbers

| Metric | Proof | Tairoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/proof-bmi-and-weight-tracker/id6769152800/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | — | Every 4 weeks |
| Monetization | Freemium | — |
| Size | 36 MB | 9 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Edward Sutcliffe](https://appshunter.io/developer/1876969593) | [Daisuke Minami](https://appshunter.io/developer/1762826742) |

## What reviewers say

### Proof

[App page](https://appshunter.io/ios/app/proof-bmi-and-weight-tracker/id6769152800)

This app helps you monitor your weight and BMI to build consistent healthy habits. It offers quick logging, automatic BMI calculation, and progress visualization. Designed for simplicity and privacy, it supports your health journey.

**Highlights:** Weight logging, Automatic BMI calculation, BMI category display, Progress charts, Weight history, Daily reminders, Private by design

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Proof Monthly | $4.99 | per month |
| proof_yearly | $9.99 | per year |


### Tairoku

[App page](https://appshunter.io/ios/app/tairoku-weight-tracker/id6793710172)

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

**In-app purchases:** none


## Frequently asked questions

### Is Proof free?

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

### Is Tairoku free?

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

### Do Proof or Tairoku have ads?

Tairoku shows ads; Proof does not.

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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.*