Comparison

Little Shift vs ABG Calculator

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

Head to head
About

Little Shift

Organize your work schedule and track your income effortlessly. This app replaces manual methods like notepads and calendars, offering a secure and simple way to manage your shifts and earnings in one central location.

Highlights
  • Organize shifts
  • Track earnings
  • Recurring shifts
  • Sync across devices
  • Filter shift list
  • Automatic iCloud backups
  • Customizable shift colors
Features
Read full description

Your shifts, your workplaces and what you are owed, all in one place. Real support: a team answers your questions at plantaozinho@gmail.com. Built for healthcare workers who pick up shifts at more than one place: nurses, doctors, residents, technicians, therapists and other clinicians. Replace the notebook and the spreadsheet with a calendar that also keeps track of your pay. SHIFT CALENDAR • Monthly calendar with every shift, each workplace in its own color • Shift templates to add a shift in a few taps • Custom reminders: choose how long before each shift you want to be notified • Home Screen widget with your upcoming shifts PAY TRACKING • Pay for every shift and how much you will receive this month • Payment date for every shift and what is still to come in • Automatic payment dates per workplace: “closes on the 20th, pays on the 28th” and every shift gets the right date (Premium) • Mark shifts as paid one by one, or all shifts of a workplace at once • Import and export your shifts as CSV LITTLE SHIFT PREMIUM • Financial summary with charts of what you earned and what is still to come • Summary by workplace: see how much each place owes you • PDF shift reports per workplace, month or payment cycle • Recurring shifts: plan a whole month at once • Sync with your iPhone calendar • iCloud backup and export • Full history of every month • More colors for your workplaces • No ads Ideas are welcome too: plantaozinho@gmail.com SUBSCRIPTION Premium is available as a monthly or annual subscription. Payment is charged to your Apple ID at confirmation of purchase. The subscription renews automatically for the same period and price unless you cancel at least 24 hours before the end of the current period. You can manage or cancel it anytime in your Apple ID account settings. Any unused portion of a free trial is forfeited when you purchase a subscription. Privacy Policy: http://bit.ly/plantaozinho-policy-app Terms of Service: http://bit.ly/plantaozinho-terms-service

About

ABG Calculator

This medical tool quickly analyzes arterial blood gas results for healthcare professionals. It calculates acid-base status, anion gap, and compensation, offering comprehensive diagnoses offline. Save and share patient results for efficient clinical decision-making.

Highlights
  • Offline arterial blood gas analysis
  • Instant acid-base disorder determination
  • Anion gap and compensation assessment
  • Flexible unit options
  • Save and share patient results
  • Results history and search
Features
Read full description

ABG Calculator is designed for physicians, nurses, and medical professionals who need a quick, accurate way to analyze arterial blood gas results and determine acid-base status. Simply enter the essential values—pH, PaCO₂, HCO₃, along with electrolytes like sodium, chloride, and albumin—and watch as the app instantly analyzes your patient's acid-base status, calculates anion gap, and provides a comprehensive diagnosis. Multiple units available: mmHg, kPa, mmol/L, mEq/L, g/dL, g/L for all parameters to accommodate your preferred measurement system. Key Features: No internet needed - works completely offline Easy Data Input: Quickly enter ABG values and electrolytes with flexible unit options Comprehensive Analysis: Instant determination of acid-base disorders including respiratory and metabolic components Anion Gap Calculation: Automatic calculation of anion gap and albumin-corrected anion gap Compensation Assessment: Evaluates whether compensation is appropriate, partial, or absent Save Results: Store your analyses with custom names for later reference Share Results: Easily share your calculations with colleagues via text or messaging apps Results History: Access all your saved ABG analyses in a searchable, sortable list Whether you're in the ICU, emergency department, or on the hospital floor, ABG Calculator helps you quickly interpret blood gas results with confidence. Download ABG Calculator and enhance your clinical decision-making today! Medical Disclaimer The ABG Calculator App is designed as a tool to assist healthcare professionals in analyzing arterial blood gas results. It is not intended to replace professional medical judgment or advice. Always consult with a qualified healthcare provider for interpretation of medical test results and before making any medical decisions.

Screenshots

Little Shift4 screens
ABG Calculator3 screens

Verdict

The call

The clearest difference is price: Little Shift at Free against ABG Calculator's $9.99. Little Shift also leads on update cadence (every 5 days vs every 3 months) and ratings volume (92 vs 2). ABG Calculator's advantage is review sentiment (100% vs 62%) and in-app purchases (none vs 4). On rating, 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

Little Shift is free to download; ABG Calculator costs $9.99 up front. Little Shift sells 3 in-app purchases, starting at $3.99 per month. ABG Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Little Shift against 5.0 for ABG Calculator. That said, the two scores are not equally well evidenced: Little Shift has 92 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 62% of Little Shift's written reviews are positive against 100% of ABG Calculator's.

UpkeepUpdate frequency

Little Shift ships an update every 5 days, ABG Calculator every 3 months. The most recent releases landed on October 21, 2026 and October 16, 2026 respectively.

Scorecard7 real differences · 3 level
Little Shift versus ABG Calculator: the parameters behind the verdict, then further details
ParameterLittle ShiftABG Calculator
PriceFree — better$9.99
Rating4.9 (92 ratings)5.0 (2 ratings) — better
Positive reviews62.0% of reviews100.0% of reviews — better
Number of ratings92 — better2
Update frequencyEvery 5 days — betterEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionPaid — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.611.0 — better
Further details — not scored
Size49 MB8 MB
Age rating4+4+
DeveloperDocPocket Tecnologia da Informacao LtdaSAGA Virtual Tecnologia Ltda

Customer experience

Little Shift

All ratings92 ratings
Positive95.7%
Neutral3.3%
Negative1.1%
Written reviews129 reviews
Positive62.0%
Neutral10.1%
Negative27.9%

ABG Calculator

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Little Shift

Subscriptions3
  • Monthly Subscription$3.991 Month
  • Monthly Subscription7 Days trial$3.991 Month
  • Annual Subscription7 Days trial2 variants$39.991 Year
None

ABG Calculator

No in-app purchases

Questions

Is Little Shift free?
Little Shift is free to download, with in-app purchases available.
Is ABG Calculator free?
ABG Calculator costs $9.99, with no in-app purchases.
Which has better reviews, Little Shift or ABG Calculator?
ABG Calculator is rated higher. Little Shift averages 4.9 out of 5 from 92 ratings, while ABG Calculator averages 5.0 from 2 ratings.
Do Little Shift or ABG Calculator have ads?
Neither Little Shift nor ABG Calculator shows ads.
Which is updated more often, Little Shift or ABG Calculator?
Little Shift ships an update every 5 days, and ABG Calculator every 3 months. Most recently, Little Shift was updated on October 21, 2026 and ABG Calculator on October 16, 2026.

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