# InBody hi vs RSTR

The clearest difference is in-app purchases: InBody hi at none against RSTR's 1. InBody hi also leads on iOS requirement (13.0 vs 17.0). RSTR's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. RSTR sells 1 one-off in-app purchase. InBody hi asks for nothing beyond the download.

InBody hi ships an update every 2 months, RSTR every 2 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | InBody hi | RSTR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/inbody-hi/id6462937480/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 156 MB | 16 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [InBody Co., Ltd.](https://appshunter.io/developer/524989563) | [Mohammad Almansoori](https://appshunter.io/developer/6810450644) |

## What reviewers say

### InBody hi

[App page](https://appshunter.io/ios/app/inbody-hi/id6462937480)

Track your child's developmental progress by comparing their height and weight to peers of the same age and gender. Record growth daily, visualize trends with charts, and capture memories with photos in a dedicated album. Seamlessly syncs with existing InBody account data.

**Highlights:** Peer growth comparison reports, Daily growth record and charts, Photo album with height/weight, InBody account integration, Shareable child memories

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

**In-app purchases:** none


### RSTR

[App page](https://appshunter.io/ios/app/rstr-set-rest-timer/id6817803328)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RSTR Pro | $0.99 | one-time |


## Frequently asked questions

### Is InBody hi free?

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

### Is RSTR free?

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

### Do InBody hi or RSTR have ads?

Neither InBody hi nor RSTR shows ads.

### Which is updated more often, InBody hi or RSTR?

InBody hi ships an update every 2 months, and RSTR every 2 weeks. Most recently, InBody hi was updated on November 3, 2026 and RSTR 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.*