# LivingTo100.com vs OnBody Client

The clearest difference is price: OnBody Client at Free against LivingTo100.com's $4.99. OnBody Client also leads on update cadence (every 5 months vs every 10 months) and iOS requirement (13.0 vs 15.1). LivingTo100.com's advantage is chart position (#138 vs unranked). On ads, in-app purchases and device support there is nothing between them.

OnBody Client is free to download; LivingTo100.com costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

LivingTo100.com ships an update every 10 months, OnBody Client every 5 months. The most recent releases landed on October 26, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | LivingTo100.com | OnBody Client |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/livingto100com/id768905897/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 7.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 5 months** |
| Monetization | Free | — |
| Best chart rank | **#138** | — |
| Size | 30 MB | 11 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Michael Isman](https://appshunter.io/developer/768905900) | [UTA SPOR VE ANTRENMAN SISTEMLERI LIMITED SIRKETI](https://appshunter.io/developer/1658005231) |

## What reviewers say

### LivingTo100.com

[App page](https://appshunter.io/ios/app/livingto100com/id768905897)

**Currently charting:** #138 Top Paid · Health & Fitness (US App Store)

Estimate your lifespan with a calculator based on extensive medical and scientific research. Developed by the director of the New England Centenarian Study, it uses current data to predict your potential age.

**Highlights:** Life expectancy estimation, Based on medical data, Developed by centenarian study director, Uses scientific research

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Inspiring
- 🚀 Accurate

**What reviewers complain about**

- 🐛 One-time use
- 🐛 Oversimplified
- 🐛 Lacks detailed questions
- 💰 Overpriced for limited functionality
- 🔍 Missing key health factors

**Reported bugs**

- Inconsistent results between app and website version
- Inability to navigate back or retake the assessment
- Bugs with the smoking question

**Requested features**

- Allow multiple user profiles
- Provide more detailed feedback and suggestions
- Add ability to re-take the assessment with different inputs
- Include questions on medical history, medications, and lifestyle factors


### OnBody Client

[App page](https://appshunter.io/ios/app/onbody-client/id6444937006)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LivingTo100.com free?

LivingTo100.com costs $4.99, with no in-app purchases.

### Is OnBody Client free?

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

### Do LivingTo100.com or OnBody Client have ads?

Neither LivingTo100.com nor OnBody Client shows ads.

### Which is updated more often, LivingTo100.com or OnBody Client?

LivingTo100.com ships an update every 10 months, and OnBody Client every 5 months. Most recently, LivingTo100.com was updated on October 26, 2026 and OnBody Client on September 30, 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.*