Comparison

INS vs Opioid Conversion Calculator

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

Head to head
About

INS

Access all information for the International Neuromodulation Society congresses. View sessions, speaker bios, exhibitor lists, and maps. Create a personalized schedule and stay updated with the latest news.

Highlights
  • Congress information
  • Session details
  • Speaker bios
  • Exhibitor list
  • Interactive maps
  • Personalized schedule
  • Latest news updates
Features
Read full description

This is the official mobile app of the INS Congresses (International Neuromodulation Society). You will find information about the upcoming congresses. Access all sessions, speakers ’bios, list of supporters and exhibitors as well as maps. Browse the whole congress schedule through the Program by Day or Program by Session Type options. Create your personalized meeting program and find practical congress information. Stay informed and receive the latest news & follow the discussions on social media.

About

Opioid Conversion Calculator

This medical app simplifies complex opioid conversion tasks for healthcare professionals. It offers extensive drug coverage, a visual safety indicator for dosages, and breakthrough dosing calculations. Available in multiple languages, it ensures accurate and safe pain management.

Highlights
  • Extensive drug coverage
  • Visual safety indicator
  • Breakthrough dosing calculations
  • Formulation conversions
  • Up-to-date pharmaceutical formulary
  • Multilingual support
Features
Read full description

Opioid Conversion Calculator is built for health professionals who need a clear, efficient way to compare opioid doses and review the clinical context behind a conversion. CALCULATE AND COMPARE - Calculate total oral morphine equivalent (OME) across multiple opioids and routes. - Review calculated target doses after applying a chosen Target OME percentage. - View conservative, rounded-down target and breakthrough dose suggestions. - Move quickly between the calculation, individual results and supporting information. REVIEW CLINICAL INFORMATION - Read practical points alongside formulation-specific pharmacology. - Switch between supported formulations without leaving the result. - Follow links to the supporting references. - View official products and strengths for supported clinical regions, independently from the app language. TAILOR THE WORKFLOW - Edit conversion factors and choose which opioids appear with Pro. - Export and import settings when moving between devices. - Use the app in English, French, German, Italian, Portuguese (Brazil) or Spanish. PRO ACCESS The core calculation remains available without creating an account. Pro adds professional detail and customisation. Available plans, prices and any introductory offer are shown using the information supplied by the App Store before purchase. Purchases and subscriptions can be restored in the app. CLINICAL USE Equianalgesic conversions are estimates and do not replace clinical judgement. Consider incomplete cross-tolerance, patient factors, formulation, route, local guidance and monitoring when interpreting a result. Review the references and terms of use before using the calculator in clinical practice. Privacy policy: https://opioidconversioncalculator.com/privacy Terms of use: https://opioidconversioncalculator.com/terms

Screenshots

INS4 screens
Opioid Conversion Calculator4 screens

Verdict

The call

The clearest difference is rating: INS at 5.0 against Opioid Conversion Calculator's 3.7. INS also leads on in-app purchases (none vs 3) and iOS requirement (9.0 vs 13.0). Opioid Conversion Calculator's advantage is update cadence (every 2 months vs every 6 months) and ratings volume (17 vs 1). On price, ads and device support 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. Opioid Conversion Calculator sells 3 in-app purchases, starting at $3.99 per month. INS asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

INS holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Opioid Conversion Calculator has 17 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

INS ships an update every 6 months, Opioid Conversion Calculator every 2 months. The most recent releases landed on June 24, 2026 and September 22, 2026 respectively.

Scorecard6 real differences · 4 level
INS versus Opioid Conversion Calculator: the parameters behind the verdict, then further details
ParameterINSOpioid Conversion Calculator
PriceFreeFree
Rating5.0 (1 ratings) — better3.7 (17 ratings)
Positive reviews—37.5% of reviews
Number of ratings117 — better
Update frequencyEvery 6 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better13.0
Further details — not scored
Size22 MB88 MB
Age rating12+17+
DeveloperInternational Neuromodulation SocietyAyrial Beall

Customer experience

INS

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Opioid Conversion Calculator

All ratings17 ratings
Positive64.7%
Neutral5.9%
Negative29.4%
Written reviews8 reviews
Positive37.5%
Neutral25.0%
Negative37.5%

In-app purchases

None

INS

No in-app purchases

3 purchases

Opioid Conversion Calculator

Subscriptions2
  • Monthly Pro Access$3.991 Month
  • Pro Access$19.991 Year
One-time1
  • Lifetime Pro Access$79.99

Questions

Is INS free?
INS is free to download, with no in-app purchases.
Is Opioid Conversion Calculator free?
Opioid Conversion Calculator is free to download, with in-app purchases available.
Which has better reviews, INS or Opioid Conversion Calculator?
INS is rated higher. INS averages 5.0 out of 5 from 1 ratings, while Opioid Conversion Calculator averages 3.7 from 17 ratings.
Do INS or Opioid Conversion Calculator have ads?
Neither INS nor Opioid Conversion Calculator shows ads.
Which is updated more often, INS or Opioid Conversion Calculator?
INS ships an update every 6 months, and Opioid Conversion Calculator every 2 months. Most recently, INS was updated on June 24, 2026 and Opioid Conversion Calculator on September 22, 2026.

Other comparisons