Comparison

Only Cans vs Jam Cooking Calculator

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

Head to head
About

Only Cans

Features
Read full description

CanZilla is the ultimate app for food preservation lovers. Whether you're a beginner or a seasoned canner, CanZilla gives you everything you need to master the art of canning, from step-by-step guides to a rich collection of tested recipes. Learn to Can – Beginner Friendly Get started with confidence: 16 beginner-friendly articles covering the essentials, from jar sterilization to your first successful batch. Easy-to-follow, expert-backed tutorials. Discover & Master Recipes Explore a growing library of canning recipes: Fully detailed with ingredients, instructions, and prep time. USDA-approved and mother-in-law tested. Filter by method: Water Bath, Pressure Canning, and more. Join the Canning Community Like, rate, and review recipes. Save your favorites and build your personal recipe collection. Personal Dashboard Create an account to sync your favorites, ratings, and activity. Manage your profile with ease. Clean, Intuitive Design Designed to be simple, beautiful, and beginner-proof. Find what you need, when you need it.

About

Jam Cooking Calculator

Features
Read full description

Turn your fruit into delicious, perfectly set jam – without stress and without mess. Jam Calculator is your all-round helper for easy and precise jam making without leftovers. Whether you want to preserve your summer harvest or use up overripe fruit, the Jam Calculator shows you exactly what you need, instantly. Perfect, even if you just want a single jar of sweet marmelade! Why a Jam Calculator app? Say goodbye to guesswork—making jam at home shouldn't be confusing, but fun! But between calculating sugar proportions, gelling agent amounts, and jar sizes, even experienced mental math pros can get confused. With Jam Calculator, figuring out the quantities is as easy as picking low hanging fruits. Whether it's strawberry jam for the family or apricot jam for the winter, Jam Calculator does the math so you can focus on the flavor. No more scribbled notes or sticky fingers on calculator buttons! Jam Calculator automatically calculates the ideal quantities for: - Fruit - Jam sugar or regular sugar - Gelling agents (pectin, jam sugar, etc.) - Required jars Simply enter the desired amount of fruit—or alternatively the amount of jam sugar or gelling agent—and Jam Calculator will show you what you need. Jam Calculator supports different ratios for low-sugar jam or traditional recipes. Who is this app ideal for? For leftover avoiders – never again will you have to throw away that last bowl of berries or wonder what to do with an opened package of jam sugar. Simply enter your remaining quantity and the app will show you what you need to add. For stockpiling enthusiasts – large quantities or lots of jars? No problem with Jam Calculator. The jam app calculates exactly how many jars you need for each quantity, based on your chosen jar size (from 30 ml to 500 ml) and your input. The total quantity is calculated immediately and the jars you need are displayed. For variety artists – Want to try out different flavors with your sugar packet or just make a small test batch? The Jam Calculator figures out the right mix. Simple, fast and easy peasy. Ideal for: - Children who want to learn with their parents how to make jam - Experienced hobby jam makers who want to speed up the process - Gardeners who want to preserve their seasonal fruits, even when the harvest varies. - Hobby cooks, and households who hate waste and love flavor Features: - Intuitive user interface – no additional knowledge required - Text input or slider, choose whatever you prefer - Simple button selection of the gelling ratio from 1:1 to 4:1 – even after entering the quantity - Easy switching between fruit or jam sugar input, easy switching between jam sugar and gelfix/pectin - Add liquids (wine, water, etc.) and the calculation will be adjusted accordingly - Large result display so you can see everything at a glance, even when you're busy cooking - Dark and light mode - Various languages available: German, English, Spanish - Quick and easy – no complicated menu navigation - Works even without the Internet - No registration or entry of personal data required Designed for real kitchens – From plums to sour cherries, grapes, and oranges – no matter what fruit you use, Jam Calculator ensures that nothing goes to waste and every jar is filled – whether it's one jar or many. Download Jam Calculator and bring calm, precision, and a little sweetness to your kitchen—no leftovers, perfect flavor, and deliciously filled jars. Less calculating. More jam!

Screenshots

Only Cans4 screens
Jam Cooking Calculator4 screens

Verdict

The call

The clearest difference is update cadence: Jam Cooking Calculator at every 6 months against Only Cans's every 16 months. Only Cans's advantage is iOS requirement (15.1 vs 18.5). 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Only Cans ships an update every 16 months, Jam Cooking Calculator every 6 months. The most recent releases landed on October 24, 2026 and September 27, 2026 respectively.

Scorecard2 real differences · 4 level
Only Cans versus Jam Cooking Calculator: the parameters behind the verdict, then further details
ParameterOnly CansJam Cooking Calculator
PriceFreeFree
Update frequencyEvery 16 monthsEvery 6 months — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better18.5
Further details — not scored
Size59 MB11 MB
Age rating4+4+
DeveloperSupa Ant LLCClaudia Klein

In-app purchases

None

Only Cans

No in-app purchases

None

Jam Cooking Calculator

No in-app purchases

Questions

Is Only Cans free?
Only Cans is free to download, with no in-app purchases.
Is Jam Cooking Calculator free?
Jam Cooking Calculator is free to download, with no in-app purchases.
Do Only Cans or Jam Cooking Calculator have ads?
Neither Only Cans nor Jam Cooking Calculator shows ads.
Which is updated more often, Only Cans or Jam Cooking Calculator?
Only Cans ships an update every 16 months, and Jam Cooking Calculator every 6 months. Most recently, Only Cans was updated on October 24, 2026 and Jam Cooking Calculator on September 27, 2026.

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