OxiTone vs Carpathia
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OxiTone
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.
- 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
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The OxiTone mobile app enables tracking patient physiological data such as blood oxygen level (SpO2), pulse rate and activity. In addition, it helps track supplementary oxygen use and includes a medical questionnaire to assess health status. Data can be entered manually or the app can be set to receive data from Oxitone medical devices automatically.
Carpathia
This application records barometric pressure data at your current location. It allows you to view up to a year of historical pressure readings. All data is saved locally on your device, ensuring privacy.
- Records barometric pressure
- Up to 1 year of history
- Local data storage
- View historical readings
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Carpathia records the barometric pressure at your current location. At any time, you can open up this app and see up to a year’s worth of recorded history. Carpathia saves your history locally on your device. Each device with Carpathia installed only has access to the history saved on that device.
Screenshots
Verdict
The clearest difference is review sentiment: Carpathia at 100% against OxiTone's 0%. Carpathia also leads on rating (4.7 vs 2.0) and update cadence (every 2 weeks vs every 4 months). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Carpathia holds the better App Store score, 4.7 against 2.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 0% of OxiTone's written reviews are positive against 100% of Carpathia's.
OxiTone ships an update every 4 months, Carpathia every 2 weeks. The most recent releases landed on September 27, 2026 and October 11, 2026 respectively.
| Parameter | OxiTone | Carpathia |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) | 4.7 (3 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 4 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 38 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Oxitone | Andrew Keller |
Customer experience
OxiTone
Carpathia
In-app purchases
OxiTone
No in-app purchases
Carpathia
No in-app purchases






