Comparison

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

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Mr BioChem Lite

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
Read full description

Get the FULL version for 50% OFF until the end of MAY. Mr. Biochem is the trusty lab partner of any life sciences student. Mr. Biochem can: - Convert DNA sequences into their reverse, complement or reverse-complement - Find restriction sites in given DNA sequences - Translate DNA sequence into protein - Show you the codon table and the periodic table - Calculate the protein concentration in your sample, based on the absorbance and the extinction coefficient of your protein - Calculate: - Dilutions - Serial dilutions - Molarity - Normality - Concentration in % w/w, % v/v, % w/v - Mass fraction - Mass concentration - Volume fraction - Mole fraction - Mole ratio - Mass ratio - Calculate recipe for SDS-PAGE stacking and resolving gels - Provide a set of recipes for commonly used buffers - Record new recipes, and select favorites - Help you work in a safe way, by providing quick access to the Safety/Risk phrases, the new Hazard/Precaucion phrases, and the old and new hazard symbols - Offer a list of approximately 280 restriction enzymes, together with their restriction sites - Provide useful links in the field On Youtube: http://www.youtube.com/watch?v=a_Ur_1p5hws

About

D.O.S.E.R

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
Read full description

all-in-one progress tracker designed for pre-med and pre-health students balancing academics, studying, clinical experiences, research, volunteering, and long-term goals. Track every part of your journey in one organized system built to help you stay disciplined, consistent, and application-ready. Log hours across: • Clinical • Shadowing • Research • Volunteering • Leadership • Teaching • Employment • Extracurricular activities Use the built-in study and productivity tools to stay accountable throughout the semester while monitoring your consistency, progress, and performance over time. Whether you're preparing for exams, building stronger habits, or tracking experiences for future applications, you can centralize everything into one streamlined platform. Features include: • Fast hour logging • Live session timers • Study session tracking • Progress analytics and insights • Weekly activity trends • Streak and consistency monitoring • Goal tracking • Custom tags and notes • Clean and modern interface • Bulk import support • Duplicate session warnings Built for students pursuing: • Medical school • PA school • Dental school • Nursing school • Pharmacy school • Other healthcare pathways

Screenshots

Mr BioChem Lite4 screens
D.O.S.E.R4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard2 real differences · 8 level
Mr BioChem Lite versus D.O.S.E.R: the parameters behind the verdict, then further details
ParameterMr BioChem LiteD.O.S.E.R
PriceFreeFree
Rating3.0 (2 ratings)5.0 (2 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings22
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad
Requires iOS5.1.1 — better17.0
Further details — not scored
Size7 MB14 MB
Age rating4+4+
DeveloperRadu TurcasSahad Chowdhury

Customer experience

Mr BioChem Lite

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

D.O.S.E.R

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Mr BioChem Lite

No in-app purchases

None

D.O.S.E.R

No in-app purchases

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.

Other comparisons