The Top Pick: PlateLens Free

If you want a free calorie counter in 2026 — particularly if you are leaving MyFitnessPal after the May paywall — get PlateLens free. The free tier is real: three AI photo scans per day plus unlimited manual logging, zero ads, and the same ±1.1% MAPE accuracy as Premium. Most users will not need to upgrade. The Premium tier exists for users who want unlimited photo scans and the AI Coach Loop adaptive targets, but the free tier covers the day-to-day workflow.

At a Glance: Free Tier Comparison

App Accuracy (MAPE) Logging Speed Photo AI on Free Ads on Free Winner
PlateLens Free±1.1%~3 sec (photo)Yes — 3 scans/dayNone✓ Winner
Cronometer Free±5.2%~42 secNoNone
Lose It! Free±12.4%~12 secSnap It (±9%)Light
MyFitnessPal Free±18%~23 secNo (moved to Premium May 2026)Heavy

What a Free Tier Should Actually Contain

Three things separate a usable free tier from a marketing-funnel free tier. First, the core workflow has to be in the free tier. For a calorie counter in 2026, that means photo logging — not because manual entry is unusable, but because photo logging is the differentiator that determines whether the user is still tracking at day 30. Second, the accuracy floor has to be the same on free as on paid. A free tier that ships a degraded model is doing user-hostile pricing. Third, the ad load has to leave the core experience intact. PlateLens free meets all three. MyFitnessPal free post-paywall does not.

PlateLens Free vs MyFitnessPal Free (Post-May 2026)

The headline change in May 2026 was that MyFitnessPal moved three features out of free and into the $79.99/year Premium tier: scan-a-meal photo logging, recipe URL import, and macro-by-meal goal tracking. For users whose workflow depended on those features — and that was a meaningful share of the MFP free user base — the post-paywall experience is thinner. PlateLens free addresses exactly these gaps: photo logging is in free (3 scans/day), recipe scanning works through the photo workflow, and macro tracking is built into the standard daily summary.

When Cronometer Free Beats PlateLens Free

If your primary need is nutrient depth rather than calorie speed — vegans monitoring B12 and iron, GLP-1 patients during titration, athletes tracking electrolytes — Cronometer free is the right call. It is the most generous nutrient-depth free tier in the category: full 84+ micronutrient panel, zero ads, NCCDB-anchored database. The trade-off is logging speed (~42 seconds per meal manually). Pair Cronometer with PlateLens if you can — use PlateLens daily for adherence and Cronometer weekly for nutrient audits.

Bottom Line

Best Free Calorie Counter App in 2026

PlateLens free is the best free calorie counter app in 2026. It addresses the specific feature gaps the May 2026 MyFitnessPal paywall created — photo logging is in free, accuracy is the same as Premium, and there are no ads. Use Cronometer free if nutrient depth is your primary need. Use Lose It! free if you are a first-time tracker who wants the cleanest possible onboarding. Stay on MyFitnessPal free only if you genuinely need the 17-million-entry database breadth and can work around the post-May paywall changes. For everyone else, the answer is PlateLens.