# OxiTone vs Respi

The clearest difference is review sentiment: Respi at 88% against OxiTone's 0%. Respi also leads on rating (4.7 vs 2.0) and update cadence (every 8 days vs every 4 months). OxiTone's advantage is in-app purchases (none vs 3). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Respi sells 3 one-off in-app purchases. OxiTone asks for nothing beyond the download.

Respi holds the better App Store score, 4.7 against 2.0. That said, the two scores are not equally well evidenced: Respi has 118 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of OxiTone's written reviews are positive against 88% of Respi's.

OxiTone ships an update every 4 months, Respi every 8 days. The most recent releases landed on September 27, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | OxiTone | Respi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/oxitone/id1215743815/reviews) | **[4.7 (118 ratings)](https://appshunter.io/ios/app/respi-rate/id1508183194/reviews)** |
| Number of ratings | 1 | **118** |
| Positive reviews | 0.0% of reviews | **87.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 8 days** |
| Monetization | Free | Free |
| Size | 38 MB | 29 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Oxitone](https://appshunter.io/developer/1215743814) | [medappear s.r.o.](https://appshunter.io/developer/1508183193) |

## What reviewers say

### OxiTone

[App page](https://appshunter.io/ios/app/oxitone/id1215743815)

This app allows users to monitor vital physiological data, including blood oxygen levels and pulse rate. It also tracks oxygen usage and includes a health assessment questionnaire. Data can be input manually or synced with compatible medical devices.

**Highlights:** Track blood oxygen level (SpO2), Monitor pulse rate, Record activity levels, Log supplementary oxygen use, Medical questionnaire for health status, Manual data entry, Automatic data sync with Oxitone devices

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

**In-app purchases:** none


### Respi

[App page](https://appshunter.io/ios/app/respi-rate/id1508183194)

This app assists healthcare professionals in accurately measuring a patient's respiratory rate. It uses an innovative algorithm and a simple button press to calculate breaths per minute, accounting for user reaction time for precise results. Designed for regular breathing patterns, it ensures accuracy within 95% ± 1 breath/min.

**Highlights:** Accurate respiratory rate calculation, Innovative algorithm, Simple one-button interface, Accounts for user reaction time, Ensures 95% ± 1 breath/min accuracy, Designed for regular breathing patterns

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7-Day Free Pro Trial | Free | one-time |
| Lifetime Pro — Intro Offer | $9.99 | one-time |
| Lifetime Pro | $12.99 | one-time |


## Frequently asked questions

### Is OxiTone free?

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

### Is Respi free?

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

### Which has better reviews, OxiTone or Respi?

Respi is rated higher. OxiTone averages 2.0 out of 5 from 1 ratings, while Respi averages 4.7 from 118 ratings.

### Do OxiTone or Respi have ads?

Neither OxiTone nor Respi shows ads.

### Which is updated more often, OxiTone or Respi?

OxiTone ships an update every 4 months, and Respi every 8 days. Most recently, OxiTone was updated on September 27, 2026 and Respi on October 18, 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.*