Is the Yuka App Accurate?

Short answer: the data Yuka shows you is mostly accurate. The score it puts on top of that data is where things go wrong.

Those are two different questions, and most reviews blur them. We build a competing food scanner, so read this with that in mind. We have spent a lot of time inside Yuka's published methodology, and it is worth being precise about what the app gets right and what it does not.

How Yuka calculates a food score

Yuka publishes its formula, which is to its credit. According to its own help centre:

• 60% of the score is nutritional quality, based on Nutri-Score (sugar, sodium, saturated fat, calories, protein, fibre, fruit and vegetable content)
• 30% is the presence of additives
• 10% is whether the product is organic

There is one more rule that matters more than the percentages. In Yuka's words: "If an additive we consider to be high-risk is present, the maximum score for the product is set at 49/100." Everything below follows from those four lines.

What Yuka gets right

• The label data is usually correct. Reviewers who checked Yuka's nutrition figures against the physical packaging found them closely aligned for mainstream products. One four-month test across three US grocery chains reported recognition above 90% for national brands.
• The additive information comes from real regulators. When Yuka flags an additive, the underlying reference is typically EFSA, the FDA or IARC. It is not inventing concerns.
• It is fast and independent. Scan, get an answer, no brand money involved. That combination is why 80 million people use it.

So if the question is "does Yuka tell me truthfully what is in this product", the answer is mostly yes.

Where the score misleads

1. It scores presence, not dose. The 49-point cap applies whether a product contains a trace of a flagged additive or a lot of it, and whether you eat it daily or twice a year. Toxicology does not work like that. Risk depends on how much and how often. A registered dietitian who reviewed the app put it this way: Yuka "treats the mere presence of an additive as dangerous, without addressing amount or frequency. That framing does not reflect how risk is evaluated in nutrition science."

2. Regulators disagree, and the score hides that. Titanium dioxide is the clearest example. EFSA concluded in 2021 that it could no longer be considered safe as a food additive, and the EU banned it in food in 2022. The FDA still permits it at up to 1% of a product's weight. Both facts are true. A single red dot cannot tell you that, and a US shopper deserves to know which regulator said what. Carrageenan is another: Yuka rates it as a meaningful risk, while the FDA permits it and the human evidence is mixed.

3. The organic bonus is not a health measure. Ten percent of the score depends on organic certification. That says something about farming practice. It says nothing about sugar, fibre, sodium or additives. Reviewers have found conventional products with better nutrition profiles outscored by organic ones.

4. Nutri-Score penalises some whole foods. Because 60% of the score is Nutri-Score, foods that are naturally high in fat or naturally contain sugar can score oddly. Documented examples from independent reviews:

• Plain full-fat Greek yogurt scoring 58, below a flavoured low-fat yogurt with added sugar and three additives
• Freeze-dried strawberries with no added sugar flagged as too high in sugar
• Seaweed snacks with 45 mg of sodium and 15 calories marked down for sodium and calories

5. Duplicate and user-submitted entries. Yuka accepts user-submitted products. One long-term user reported two identical toothpastes scoring 79 and 43, and two soy sauces with the same ingredients getting different ratings. Her own estimate was that the app had gone from roughly 95% reliable to about 85% for her.

So, is Yuka accurate?

• Is the ingredient and nutrition data accurate? Mostly yes, for mainstream products.
• Are the additive flags based on real sources? Yes.
• Is the 0 to 100 score an accurate measure of how healthy a product is? Not reliably.
• Should you use it as a final verdict? No. Use it as a prompt to look closer.

The most useful thing in Yuka is the detail screen, not the number. If a product scores 30, tap through and see why. If the reason is a capped additive you eat once a month, that is a very different situation from a product that is 22% added sugar.

How to use any food scanner well

• Read the reason, not the colour.
• Ask how much and how often. A flag is about a substance. Your risk is about your exposure.
• Check which regulator raised the concern and whether others agree.
• Ignore organic when you are comparing nutrition.
• Do not let a score make you feel guilty about food. Several dietitians warn that good/bad verdicts can feed anxious eating.

How HealthierCart does it differently

• Every flag names its source. Each ingredient concern links to the authority behind it (FDA, EFSA, IARC, NTP, California OEHHA) and says what that body actually concluded.
• Where regulators disagree, you see both sides. Titanium dioxide shows the EU position and the US position.
• No single-ingredient cap. The score is additive and visible: a starting point, plus and minus factors you can read, with ingredient concerns weighted by severity instead of one flag overriding everything.
• Added sugar is treated differently from intrinsic sugar, so plain yogurt and fruit are not punished for lactose and fructose.
• US-first. Built around US products and US regulation.
• Scanning is free.

HealthierCart is a younger and smaller product than Yuka, and Yuka's database is far larger. If you scan mostly European products or cosmetics, Yuka will cover more of them. If you want to see the reasoning and the source behind each grade on US groceries, scan a few products with HealthierCart (free on iPhone) and tell us where it is wrong.

Sources

• Yuka Help Centre, "How are food products scored?" (help.yuka.io)
• Phoenix Vegan Dietitian, "Is the Yuka App Legit or Fear Mongering? A Dietitian's Evidence-Based Review" (phxvegandietitian.com/yuka-app)
• Macaron, "Yuka App Review: What It Gets Right (and Wrong)" (macaron.im/blog/yuka-app-review)
• Barefoot Basil, "Yuka App Review 2026" (barefootbasil.com/yuka-app-review)
• EFSA, safety assessment of titanium dioxide (E171), 2021; Commission Regulation (EU) 2022/63