# Medical Lab Tests vs Ontol

The clearest difference is in-app purchases: Ontol at none against Medical Lab Tests's 9. Ontol also leads on update cadence (every 9 days vs every 3 months) and rating (5.0 vs 4.8). Medical Lab Tests's advantage is ratings volume (1.1K vs 5). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Medical Lab Tests sells 9 in-app purchases, starting at $1.99 per month. Ontol asks for nothing beyond the download.

Ontol holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Medical Lab Tests has 1.1K ratings behind it against 5, so its average is the more settled of the two.

Medical Lab Tests ships an update every 3 months, Ontol every 9 days. The most recent releases landed on October 29, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Medical Lab Tests | Ontol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (1.1K ratings)](https://appshunter.io/ios/app/medical-lab-tests/id307829594/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/ontol/id6448972926/reviews)** |
| Number of ratings | **1.1K** | 5 |
| Positive reviews | 61.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 17 MB | 53 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Medicon Apps](https://appshunter.io/developer/307829597) | [Tesser Inc.](https://appshunter.io/developer/1076266522) |

## What reviewers say

### Medical Lab Tests

[App page](https://appshunter.io/ios/app/medical-lab-tests/id307829594)

This app provides instant access to reference ranges, clinical significance, and interpretations for a wide array of laboratory tests. Designed for healthcare professionals and students, it offers detailed information on over 17 categories of lab tests, working offline for convenient use in clinical settings.

**Highlights:** Instant lab test lookup, 17+ lab test categories, Reference ranges (SI & US units), Interpretation of abnormal values, Offline functionality, Powerful search, Favorites list

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Quarterly | $2.99 | per 3 months |
| Half-yearly | $3.99 | per 6 months |
| Yearly | $9.99 | per year |
| One Month subscription | $0.99 | one-time |
| 3 Months subscription | $1.99 | one-time |
| 6 Months subscription | $2.99 | one-time |
| One year subscription | $3.99 | one-time |
| Pro Version | $19.99 | one-time |

**What reviewers like**

- 🚀 Best diagnostic labs app
- 👍 Wonderful application
- 👍 Very helpful and convenient
- 👍 Wonderful and useful application
- 👍 Excellent app

**What reviewers complain about**

- 💰 Requires paid subscription
- 🐛 Crashes frequently, cannot see information
- 💰 Paid app now requires additional in-app purchases
- 🌍 Not suitable for users outside the US
- 🌍 Not suitable for Canadian users

**Reported bugs**

- Incorrect tube color information
- Not compatible with iPhone 5
- Spelling errors in the app

**Requested features**

- Add ceruloplasmin test
- Include vitamin and mineral panels
- Add D-dimer test
- Add venous and capillary blood gas tests
- Include more coagulation and virology tests


### Ontol

[App page](https://appshunter.io/ios/app/ontol/id6448972926)

Decode complex medical reports with ease. Upload or snap a picture of your MRI, CT, or histopathology results to receive clear explanations of medical jargon and abbreviations. This tool aids understanding but should not replace professional medical advice.

**Highlights:** Medical jargon explanation, AI-powered analysis, Supports MRI, CT, histopathology, OCR and translation, Clearer understanding of reports

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Medical Lab Tests free?

Medical Lab Tests is free to download, with in-app purchases available.

### Is Ontol free?

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

### Which has better reviews, Medical Lab Tests or Ontol?

Ontol is rated higher. Medical Lab Tests averages 4.8 out of 5 from 1.1K ratings, while Ontol averages 5.0 from 5 ratings.

### Do Medical Lab Tests or Ontol have ads?

Neither Medical Lab Tests nor Ontol shows ads.

### Which is updated more often, Medical Lab Tests or Ontol?

Medical Lab Tests ships an update every 3 months, and Ontol every 9 days. Most recently, Medical Lab Tests was updated on October 29, 2026 and Ontol on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*