# Mr BioChem Lite vs D.O.S.E.R

The clearest difference is rating: D.O.S.E.R at 5.0 against Mr BioChem Lite's 3.0. Mr BioChem Lite's advantage is iOS requirement (5.1.1 vs 17.0). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

D.O.S.E.R holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Mr BioChem Lite | D.O.S.E.R |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/mr-biochem-lite-biochemistry-lab-help/id687405887/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/doser/id6761130454/reviews)** |
| Number of ratings | 2 | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | Free |
| Size | 7 MB | 14 MB |
| Requires iOS | **5.1.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Radu Turcas](https://appshunter.io/developer/468638583) | [Sahad Chowdhury](https://appshunter.io/developer/1887928621) |

## What reviewers say

### Mr BioChem Lite

[App page](https://appshunter.io/ios/app/mr-biochem-lite-biochemistry-lab-help/id687405887)

This app assists life science students with various biochemistry lab tasks. It offers tools for DNA sequence manipulation, protein calculations, chemical dilutions, gel recipes, buffer formulations, and safety information.

**Highlights:** DNA sequence conversion, Restriction site finder, DNA to protein translation, Chemical concentration calculations, SDS-PAGE gel recipes, Buffer formulations, Safety phrase access

**Features:** macOS Compatibility

**In-app purchases:** none


### D.O.S.E.R

[App page](https://appshunter.io/ios/app/doser/id6761130454)

This app helps pre-med and pre-health students meticulously track academic, clinical, research, and extracurricular activities. It offers study tools and analytics to maintain discipline, consistency, and readiness for applications. Centralize all your progress in one streamlined platform.

**Highlights:** Hour logging for various activities, Live session timers, Study session tracking, Progress analytics, Consistency monitoring, Goal tracking, Custom tags and notes

**In-app purchases:** none


## Frequently asked questions

### Is Mr BioChem Lite free?

Mr BioChem Lite is free to download, with no in-app purchases.

### Is D.O.S.E.R free?

D.O.S.E.R is free to download, with no in-app purchases.

### Which has better reviews, Mr BioChem Lite or D.O.S.E.R?

D.O.S.E.R is rated higher. Mr BioChem Lite averages 3.0 out of 5 from 2 ratings, while D.O.S.E.R averages 5.0 from 2 ratings.

### Do Mr BioChem Lite or D.O.S.E.R have ads?

Neither Mr BioChem Lite nor D.O.S.E.R shows ads.

### Which is updated more often, Mr BioChem Lite or D.O.S.E.R?

Mr BioChem Lite ships an update monthly, and D.O.S.E.R monthly. Most recently, Mr BioChem Lite was updated on November 1, 2026 and D.O.S.E.R on November 5, 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.*