Comparison

STI Tx Guide vs Lab Values Pro

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

Head to head
About

STI Tx Guide

Provides healthcare professionals with up-to-date, evidence-based recommendations for the prevention, diagnosis, and treatment of sexually transmitted infections. Features include clinical care guidance, sexual history resources, and patient materials.

Highlights
  • STI prevention recommendations
  • Diagnosis guidance
  • Treatment protocols
  • Clinical care assistance
  • Sexual history resources
  • Patient management tools
Features
Read full description

The new app offers quick and easy access to streamlined STI prevention, diagnosis, and treatment recommendations. The user-friendly interface includes more clinical care guidance, sexual history resources, patient materials, and other features to assist with patient management. The STI Treatment (Tx) Guidelines mobile app serves as a quick reference guide for doctors and related parties on the identification of and treatment for sexually transmitted diseases (STDs). The full STI Treatment Guidelines (cdc.gov) can be accessed at https://www.cdc.gov/std/treatment-guidelines/default.htm. The guidelines provide current evidence-based prevention, diagnostic and treatment recommendations that replace the 2015 guidance. The recommendations are intended to be a source for clinical guidance. Healthcare providers should always assess patients based on their clinical circumstances and local burden. DISCLAIMER THE MATERIALS EMBODIED IN THIS SOFTWARE IS PROVIDED TO YOU "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL THE CENTERS FOR DISEASE CONTROL AND PREVENTION (CDC) OR THE UNITED STATES (U.S.) GOVERNMENT BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT, SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION, LOSS OF PROFIT, LOSE OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF THIRD PARTIES, WHETHER OR NOT CDC OR THE U.S. GOVERNMENT HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.

About

Lab Values Pro

This app provides a clear and structured overview of common laboratory blood values, their standard ranges in both old and SI units, and potential causes for increases or decreases. It's designed for quick navigation and understanding for both medical professionals and laypeople.

Highlights
  • Overview of routine lab parameters
  • Causes of increased/decreased values
  • Standard values in old and SI units
  • Alphabetical and category-based navigation
  • Search bar for specific values
  • Generally understandable information
Features
Read full description

With Laboratory values ​​Pro, you can quickly and easily find out about blood laboratory values.
This laboratory app gives physicians and non-medical professionals a generally understandable, quickly navigable and clearly structured overview of the most important routine laboratory parameters and possible causes of their increase and decrease. The laboratory values ​​can be found alphabetically in menu item A-Z as well as under the respective categories. The standard values ​​are given in both the old units and SI units. The content presented here is for neutral information and general education only and in no case replaced personal consultation, examination or diagnosis by a licensed physician. No medical decision may only be based on results and information of this program - Laboratory Values ​​Pro App. We point out that neither remote diagnosis nor therapy suggestions are made for the individual case. 
For each laboratory value a short information can be queried quickly. The individual brief information is formulated in a generally understandable way and provides an overview of the indication, function and task of the respective laboratory value.
For each laboratory value numerous possible causes of their increase and decrease will be indicated.
Laboratory Pro gives the user an overview of the most important routine laboratory parameters including hematology, differential blood counts, clinical chemistry, blood clotting, Quick, INR, electrolyte balance, tumor markers and blood gas analysis.
In addition to classic scrolling, the program enables quick navigation between laboratory name, abbreviation of laboratory value, standard value, differential diagnostic interpretation of increase and decrease in value (especially for physicians, medical students, interested lay people). An additional search bar allows the targeted search for the desired laboratory value. Category:

     Exhaustion / fatigue
     Hair loss check
     Thyroid check
     trace elements
     Stress check
     Toxic elements
     Atherosclerosis indicators
     Cardiac diseases
     Diabetes check
     Carbohydrate metabolism
     Bone metabolism
     electrolyte balance
     Nierenparamter
     Inflammation paramters
     Iron metabolism
     Leberserologie
     Lipid Metabolism
     hematology

Screenshots

STI Tx Guide4 screens
Lab Values Pro4 screens

Verdict

The call

The clearest difference is price: STI Tx Guide at Free against Lab Values Pro's $0.99. STI Tx Guide also leads on review sentiment (36% vs 0%) and ratings volume (36 vs 3). Lab Values Pro's advantage is rating (4.0 vs 3.5) and device support (3 vs 1). On update cadence, ads and in-app purchases 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

STI Tx Guide is free to download; Lab Values Pro costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Lab Values Pro holds the better App Store score, 4.0 against 3.5. That said, the two scores are not equally well evidenced: STI Tx Guide has 36 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 36% of STI Tx Guide's written reviews are positive against 0% of Lab Values Pro's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

STI Tx Guide ships an update every 8 months, Lab Values Pro every 10 months. Both last shipped on November 11, 2026.

Scorecard7 real differences · 3 level
STI Tx Guide versus Lab Values Pro: the parameters behind the verdict, then further details
ParameterSTI Tx GuideLab Values Pro
PriceFree — better$0.99
Rating3.5 (36 ratings)4.0 (3 ratings) — better
Positive reviews35.7% of reviews — better0.0% of reviews
Number of ratings36 — better3
Update frequencyEvery 8 months — betterEvery 10 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS18.012.0 — better
Further details — not scored
Size31 MB12 MB
Age rating12+17+
DeveloperCenters For Disease Control and PreventionDr. Steve Müller

Customer experience

STI Tx Guide

All ratings36 ratings
Positive63.9%
Neutral2.8%
Negative33.3%
Written reviews14 reviews
Positive35.7%
Neutral7.1%
Negative57.1%

Lab Values Pro

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

STI Tx Guide

No in-app purchases

None

Lab Values Pro

No in-app purchases

Questions

Is STI Tx Guide free?
STI Tx Guide is free to download, with no in-app purchases.
Is Lab Values Pro free?
Lab Values Pro costs $0.99, with no in-app purchases.
Which has better reviews, STI Tx Guide or Lab Values Pro?
Lab Values Pro is rated higher. STI Tx Guide averages 3.5 out of 5 from 36 ratings, while Lab Values Pro averages 4.0 from 3 ratings.
Do STI Tx Guide or Lab Values Pro have ads?
Neither STI Tx Guide nor Lab Values Pro shows ads.
Which is updated more often, STI Tx Guide or Lab Values Pro?
STI Tx Guide ships an update every 8 months, and Lab Values Pro every 10 months. Most recently, STI Tx Guide was updated on November 11, 2026 and Lab Values Pro on November 11, 2026.

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