# Tan timer+ vs BMI Calculator

The clearest difference is update cadence: BMI Calculator at weekly against Tan timer+'s every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Tan timer+ ships an update every 4 months, BMI Calculator weekly. The most recent releases landed on October 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Tan timer+ | BMI Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bmi-calculator-healthtracker/id6642652233/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 8.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | — | Free |
| Size | 15 MB | 39 MB |
| Requires iOS | 15.0 | 15 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Olga Novikova](https://appshunter.io/developer/1565997235) | [Trinh Mai Luong](https://appshunter.io/developer/1763384680) |

## What reviewers say

### Tan timer+

[App page](https://appshunter.io/ios/app/tan-timer-plus/id1636716597)

**Features:** macOS Compatibility

**In-app purchases:** none


### BMI Calculator

[App page](https://appshunter.io/ios/app/bmi-calculator-healthtracker/id6642652233)

Easily calculate your Body Mass Index (BMI) and track your weight progress over time. This app helps you understand your current weight status and provides tools to monitor your health journey effectively.

**Highlights:** Smart BMI calculation, Weight history tracking, Healthy weight range display, Detailed body data charts, Easy height and weight input

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

**In-app purchases:** none

**What reviewers like**

- 👍 Calculator works (basic functionality)
- 😊 Some users find it helpful (rare)

**What reviewers complain about**

- ‼️ Excessive ads
- 😩 App is unusable due to ads
- 👎 Inaccurate BMI results
- 😞 Fat-shaming and offensive results
- 😠 Frustrating user experience

**Reported bugs**

- Ads prevent app usage
- App doesn't work
- Results don't make sense
- Unclosable ads
- App redirects to other websites

**Requested features**

- Reduce ad frequency
- Improve BMI calculation accuracy
- Provide clear BMI scale information


## Frequently asked questions

### Is Tan timer+ free?

Tan timer+ is free to download, with no in-app purchases.

### Is BMI Calculator free?

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

### Do Tan timer+ or BMI Calculator have ads?

Neither Tan timer+ nor BMI Calculator shows ads.

### Which is updated more often, Tan timer+ or BMI Calculator?

Tan timer+ ships an update every 4 months, and BMI Calculator weekly. Most recently, Tan timer+ was updated on October 3, 2026 and BMI Calculator on October 24, 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.*