Free Calorie Counter Apps With No Subscription: The Real Trade-Offs
A calorie counter app that is free with no subscription exists, but it is paid for with ads, locked features or your time. In one trial, 53% of paper-diary users stayed to the end.
Key takeaways
- Free calorie counters are paid for with ads, locked features, money up front or your own time.
- USDA FoodData Central data are in the public domain under CC0 1.0, so you can copy them into a spreadsheet at no cost.
- In a six-month trial, 53% of paper-diary users were still taking part at the end, against 93% of app users.
- A spreadsheet needs one formula: grams eaten × kcal per 100 g ÷ 100, so 300 g of cooked brown rice is 369 kcal.
- To cancel on an iPhone: Settings, your name, Subscriptions, the subscription, Cancel Subscription.
A calorie counter app that is free with no subscription exists, but you pay another way: ads, locked features, money up front or your time. A paper or spreadsheet diary built on USDA data costs nothing and works. It loses people, though. At the end of a six-month trial, 53% of paper-diary users were still taking part, against 93% of app users (Carter et al., 2013).
Is there a calorie counter app that is free with no subscription?
Yes, in five forms, and each is paid for differently. None of them is wrong, but you should know which one you’ve picked. On any store page my first question is what I can do on day one without paying, and what quietly stops working on day eight.
| Option | What you pay with | What to check before you start |
|---|---|---|
| Free app with ads | Attention, sometimes data | Which features are blocked, and the privacy label |
| Free tier with a paywall | Locked features, then upgrade prompts | Whether barcode scanning, export and per-gram macros are locked |
| One-time purchase | Money, once | Whether the app and its food database are still updated |
| Paper or spreadsheet | Your time | Whether you’ll still do it in week six |
| Subscription with a trial | Money after the trial | When the trial ends, how to cancel, whether you can export |
I put paper on the list on purpose. If the budget is zero, it is the honest answer. The other four rows are more polished, and the polish gets paid for with a bill, an ad or a data trail. That price is fair when you can see it coming. If the free tier with a paywall is the row that tempts you, the free calorie counter app comparison shows what each free version leaves out.
What does a spreadsheet calorie counter need?
One list of foods with kcal per 100 g and a typical portion in grams. The numbers are public. USDA FoodData Central data are in the public domain under CC0 1.0, so you can copy them into your own sheet without paying or asking. Below is a starter list of 12 foods, each from its own record, with the specific Atwater energy figure where the record has one.
| Food (state) | kcal per 100 g | Portion | kcal per portion |
|---|---|---|---|
| Oatmeal, cooked with water | 71 | 234 g (1 cup) | 166 |
| Banana, peeled, raw | 88 | 115 g | 101 |
| Egg, whole, large | 147 | 50.3 g | 74 |
| Milk, whole | 61 | 244 g (1 cup) | 149 |
| Greek yogurt, plain, nonfat | 61 | 156 g (1 container) | 95 |
| Chicken breast, roasted | 165 | 140 g (1 cup chopped) | 231 |
| Salmon, Atlantic, farmed, cooked | 206 | 85 g (3 oz) | 175 |
| Brown rice, cooked | 123 | 202 g (1 cup) | 248 |
| Lentils, boiled | 116 | 198 g (1 cup) | 230 |
| Whole-wheat bread | 252 | 32 g (1 slice) | 81 |
| Broccoli, raw | 32 | 76 g (1 cup chopped) | 24 |
| Olive oil | 884 | 13.5 g (1 tablespoon) | 119 |
The sheet needs one formula: grams eaten × kcal per 100 g ÷ 100. A 300 g bowl of cooked rice is 300 × 123 ÷ 100 = 369 kcal. Cooked and raw weights differ, so weigh in the state the row names.
Take one day from that list. Oatmeal and a banana make 267 kcal. Lentils, rice and broccoli with a tablespoon of olive oil make 621 kcal at lunch. Six rows, one multiplication each, no app. A week of this will tell you whether the sheet suits you or whether you want a tool with a search box.
The sheet can’t price a restaurant dinner or scan a barcode, and it costs time. In a program where people logged in a web-based food database, they spent a mean of 23.2 minutes a day in month 1 (Harvey et al., 2019). I doubt a hand-kept sheet beats a search box on speed. In the paper-diary trial the group recorded food on a mean of 29 days against 92 for the app group. With the retention gap above, that is the real cost of the zero route. Keep the sheet to the foods you eat weekly and add a row only when something new turns up. Don’t build a database.
How do I set the sheet up?
One tab is enough. Put the diary in columns A to D: the date, the food, the grams you ate and the kcal. Keep the food list further right, with names in column F and kcal per 100 g in G. In D2 type =C2*VLOOKUP(B2,F:G,2,FALSE)/100 and copy it down. Today’s total is =SUMIF(A:A,TODAY(),D:D). Every spreadsheet program I know has these functions, the free ones included.
Weigh what you can on a kitchen scale and log grams, not cups. For a restaurant dish, log the nearest similar food at your best guess of the weight and add “est” to its name in the food list. After a month you can count how many entries were guesses.
A week later, average the seven daily totals and set that beside your morning weights. Two columns and one AVERAGE formula are enough for the comparison.
Can I trust the numbers on a package?
Copy kcal per 100 g from the nutrition panel into the food list, not kcal per serving, because your serving rarely matches the printed one. Labels aren’t exact either. Under FDA’s rule for US labels, a food counts as misbranded when its measured calories exceed the declared figure by more than 20 percent. A pack that says 250 kcal can therefore measure up to 300 kcal before it breaks the rule. That is fine for a sheet. Outside the US the rules differ, so look up your own country’s tolerance before you lean on it.
How do I check what free really costs before I download?
Spend ten minutes on day one and put the app through five questions:
- Log one real meal by barcode, then change its grams. If either step is locked, you’ve found the paywall.
- Find the export button. A diary you can’t take with you is rented.
- Open the store page and read the privacy section. On Apple’s pages, Data Used to Track You means data linked with your data from other companies’ apps and websites and used for ads, or shared with a data broker.
- Tap the upgrade button and see whether the price, trial length and cancel path show up before you enter anything.
- Look at the date of the last update.
An app that fails two of the five can still suit you. You just know what the bill is. If it fails four, delete it. The wider set of ten tests is in how to choose a calorie counter app.
How do I test the food database in my first ten minutes?
The five questions above test the business. This one tests the numbers, and the starter sheet is a ready answer key because every row comes from a USDA record.
Search five plain foods from the sheet, say oatmeal, banana, egg, brown rice and olive oil, and check each result against it:
- Does the entry list kcal per 100 g, or only a “serving” with no weight?
- Is it within 10% of the sheet? The banana record gives 88 kcal per 100 g, so anything from 79 to 97 passes. Olive oil at 884 gives 796 to 972.
- How many different entries come back? Ten entries for one banana usually mean anyone can add them, and you have to pick.
The 10% band is my own choice. It is tighter than the 20 percent that FDA allows on a US label, because a banana is easier to match to a lab record than a packaged recipe.
When an entry shows only a serving, work back to the weight. An app that lists one banana at 120 kcal implies 120 ÷ 0.88 = 136 g, which is 21 g more than the 115 g in my sheet. That isn’t wrong, only a bigger banana, but you can see it only if the entry states its weight.
Then search one food you eat every week that isn’t on my list, such as a regional bread or a brand of yogurt. If the app finds it with a weight in under a minute, its database fits your kitchen. If you scroll through look-alikes, the entries were probably added for a different market, and that is worth knowing before day eight.
Privacy is the other half of the store page. On an iPhone you read the section from question 3. On Android, open the app’s listing in Google Play and find Data safety, where developers describe how the app handles your data.
Here is how the ten minutes go. Three go on the barcode and grams test, one each on the export button, the store page, the upgrade screen and the update date, and three on the food search.
What happens to my diary if I stop paying?
It depends on the app, so find out before you log a month of meals. Check whether you can still read your history, export it and delete it after you stop paying. Some apps keep the diary readable and some lock it. The help page is the only way to know without paying, so I read it first.
A subscription bought through the App Store renews until you cancel it. On an iPhone, Apple’s steps are: Settings, tap your name, tap Subscriptions, tap the subscription, tap Cancel Subscription. If there is no Cancel button, or you see an expiration message in red text, the subscription is already canceled. Put the end date of any trial in your calendar the day it starts. Export before you cancel, not after, in case the export button turns out to sit behind the paywall. With the sheet or the export file in your hands, you can delete the app and keep the diary.
How do I cancel on Android?
Open subscriptions in Google Play on your Android device, select the subscription, tap Cancel subscription and follow the instructions, as Google Play Help describes it. Deleting the app does not cancel the subscription, so cancel first and delete after. The same page says Google Play subscriptions run for an indefinite term and are charged at the start of each billing cycle until you unsubscribe, which makes the trial-end reminder worth setting here too.
Which option should I pick?
If the budget’s truly zero, use the sheet. If you want barcode scanning and can live with ads or locked features, take a free app, run the five questions on it, and decide at the end of week one whether the ads or the locked features bother you. Paying makes sense when you would rather spend money than time. Outside the US, check local food names and units first; the calorie counter app UK and calorie counting app Australia posts show how.
At the end of week one, count the days on which you logged every meal. I use five of seven as the line, and that is my own rule, not a study result. At five or more, stay with what you have. Under five, try an app with less typing; the retention gap at the top of this page is why I don’t bet on good intentions.
Calsa is a paid subscription, so it is the wrong pick for this search. It does pass the checks above. The price, trial length, first charge date and cancel route show before anything else, and a reminder arrives before the trial ends. You cancel the way you subscribed, and after a subscription ends you can still read, export and delete everything.
Questions and answers
Are free calorie counter apps safe for my data?
It depends on the app, so read its store page before you log anything. On Apple's pages, Data Used to Track You means data linked with your data from other companies' apps and websites and used for ads or shared with a data broker. If that section lists your health or food data, decide whether the trade is worth it.
Can I count calories with only a spreadsheet?
Yes. Copy kcal per 100 g for the foods you eat from USDA FoodData Central, then multiply by grams and divide by 100. The weak point is keeping it up: in a six-month trial the paper-diary group recorded food on a mean of 29 days against 92 for the app group.
Is a one-time purchase calorie app better than a subscription?
Not automatically. The price covers the app you download today, and a food database needs upkeep, so an app nobody updates gets stale. Check the date of the last update on the store page and whether you can export your diary before you pay.
How do I cancel a calorie app subscription on an iPhone?
Open Settings, tap your name, tap Subscriptions, tap the subscription, then tap Cancel Subscription. You may need to scroll down to find the button. If there is no Cancel button, or you see an expiration message in red text, the subscription is already canceled.
How do I cancel a calorie app subscription on Android?
Open subscriptions in Google Play on your Android device, select the subscription and tap Cancel subscription. Deleting the app does not cancel it, so cancel first. Put the trial end date in your calendar the day it starts.
Sources
- Carter MC, et al. Adherence to a smartphone application for weight loss compared to website and paper diary: pilot randomized controlled trial. J Med Internet Res 2013, Journal of Medical Internet Research
- FoodData Central (licensing: public domain, CC0 1.0 Universal), USDA FoodData Central
- Cereals, oats, regular and quick, unenriched, cooked with water (SR Legacy, FDC ID 173905), USDA FoodData Central
- Bananas, ripe and slightly ripe, raw (Foundation, FDC ID 1105314), USDA FoodData Central
- Eggs, Grade A, Large, egg whole (Foundation, FDC ID 748967), USDA FoodData Central
- Milk, whole, 3.25% milkfat, with added vitamin D (SR Legacy, FDC ID 171265), USDA FoodData Central
- Yogurt, Greek, plain, nonfat (Foundation, FDC ID 330137), USDA FoodData Central
- Chicken, broilers or fryers, breast, meat only, cooked, roasted (SR Legacy, FDC ID 171477), USDA FoodData Central
- Fish, salmon, Atlantic, farmed, cooked, dry heat (SR Legacy, FDC ID 175168), USDA FoodData Central
- Rice, brown, long-grain, cooked (SR Legacy, FDC ID 169704), USDA FoodData Central
- Lentils, mature seeds, cooked, boiled, without salt (SR Legacy, FDC ID 172421), USDA FoodData Central
- Bread, whole-wheat, commercially prepared (SR Legacy, FDC ID 172688), USDA FoodData Central
- Broccoli, raw (Foundation, FDC ID 747447), USDA FoodData Central
- Oil, olive, salad or cooking (SR Legacy, FDC ID 171413), USDA FoodData Central
- Harvey J, et al. Log often, lose more: electronic dietary self-monitoring for weight loss. Obesity 2019, Obesity
- About App Privacy (Data Used to Track You), Apple Support, published 16 September 2024, Apple
- Cancel a subscription from Apple, Apple Support, published 29 September 2026, Apple
- 21 CFR 101.9: Nutrition labeling of food (paragraph (g), compliance), Electronic Code of Federal Regulations
- Understand app privacy & security practices with Google Play's Data safety section, Google Play Help
- Cancel, pause, or change a subscription on Google Play, Google Play Help



