Comparison

IV drip calculation vs EMS Field

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

Head to head
About

IV drip calculation

This app simplifies IV drip rate calculation and adjustment using intuitive vibration feedback. It allows saving common settings and synchronizing them between iPhone and Apple Watch, aiding healthcare professionals in providing efficient patient care.

Highlights
  • Calculate drip rate
  • Vibration-based drip adjustment
  • Save infusion settings
  • Sync between iPhone and Apple Watch
  • Intuitive UI
Features
Read full description

OnDrip is an application that calculates the drip rate of an IV and simplifies drip adjustment through vibration. Features ・Simple and intuitive UI to calculate drip rate ・Vibration-based drip adjustment ・Save frequently used infusion settings ・Synchronization of infusion settings between iPhone and Apple Watch ・Easy to use under the supervision of a nurse This application is intended to help healthcare professionals provide better medical care. Actual medical treatment should be performed at the discretion of the healthcare professional.

About

EMS Field

Features
Read full description

EMS Field is a platform where paramedics, nurses, doctors, and healthcare professionals share real-world field experiences beyond textbooks. What This App Solves Unexpected cases, non-textbook responses, and near-misses have traditionally been shared only verbally. EMS Field lets you share these valuable experiences with healthcare professionals worldwide, building knowledge to prevent repeated incidents. Key Features - Voice Input: AI automatically organizes field situations as you speak - AI Structuring: Automatically tags symptoms, differentials, interventions, and lessons learned - Similar Case Search: AI suggests past similar cases - Q&A: Ask case authors directly (¥50/question) - Anonymous Posting: Only profession shown, personal info auto-detected and flagged Target Users - Paramedics & EMTs - Emergency Department Nurses - Emergency Medicine Physicians - Other Healthcare Professionals In-App Purchases - Full Access (one-time): ¥200 — Access complete cases, Q&A, posting, and question features - Questions: ¥50 per question — Ask case authors directly. They provide answers. Disclaimer This app is an information-sharing service for educational purposes, not medical diagnosis or treatment. Content is based on individual experiences and does not guarantee medical accuracy. Always base clinical decisions on professional medical knowledge.

Screenshots

IV drip calculation3 screens
EMS Field4 screens

Verdict

The call

The clearest difference is update cadence: EMS Field at every 5 days against IV drip calculation's monthly. EMS Field also leads on iOS requirement (16.4 vs 26.0). On price, ads, in-app purchases 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. IV drip calculation sells 1 one-off in-app purchase and EMS Field sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

IV drip calculation ships an update monthly, EMS Field every 5 days. The most recent releases landed on October 30, 2026 and November 1, 2026 respectively.

Scorecard2 real differences · 6 level
IV drip calculation versus EMS Field: the parameters behind the verdict, then further details
ParameterIV drip calculationEMS Field
PriceFreeFree
Positive reviews0.0% of reviews—
Update frequencyMonthlyEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS26.016.4 — better
Further details — not scored
Size8 MB37 MB
Age rating12+17+
DeveloperBLUE COMET LABS LLCHatsumi Takahashi

In-app purchases

1 purchases

IV drip calculation

One-time1
  • OnDrip Pro - Lifetime$2.99
1 purchases

EMS Field

One-time1
  • 全文アクセス$0.99

Questions

Is IV drip calculation free?
IV drip calculation is free to download, with in-app purchases available.
Is EMS Field free?
EMS Field is free to download, with in-app purchases available.
Do IV drip calculation or EMS Field have ads?
Neither IV drip calculation nor EMS Field shows ads.
Which is updated more often, IV drip calculation or EMS Field?
IV drip calculation ships an update monthly, and EMS Field every 5 days. Most recently, IV drip calculation was updated on October 30, 2026 and EMS Field on November 1, 2026.

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