Comparison

LotDate vs BatchKnow

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

Head to head
About

LotDate

Instantly decode cosmetic batch codes to find out when your products were made and their estimated expiry dates. Supports over 2000 brands with an AI-powered engine and saves your decoding history.

Highlights
  • Decode batch codes instantly
  • Supports 2000+ cosmetic brands
  • AI-powered decoding engine
  • Check product freshness and expiry
  • Saves decoding history
  • Optional Pro subscription for unlimited queries
Features
Read full description

LotDate helps you check cosmetic batch codes and lot codes for makeup, skincare, perfume, fragrance, haircare, and body care. Select a brand, enter the code printed on your product, and see the production date with an estimated expiry window. WHY PEOPLE USE LOTDATE • Check freshness before buying or opening a product • Review gifts, imports, older stock, and backups • Decode batch codes with brand-specific rules • Save successful lookups in searchable history • Save favorite products with production and expiry dates • Set reminders before products expire • Send feedback when a code looks wrong 3000+ BEAUTY BRANDS LotDate supports batch-code lookup across major skincare, makeup, perfume, haircare, and body-care brands. BRAND-SPECIFIC DECODING LotDate matches the brand first, then applies the right rule across multiple batch code formats for more reliable results. OPTIONAL PRO Unlock unlimited queries, all supported brands, unlimited favorites, and stronger decoding coverage. Important: Batch code results are estimates based on known formats and available rules. Always follow the printed expiry date, PAO symbol, product packaging, product condition, and official brand guidance. By using this app, you agree to Apple's Standard End User License Agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

BatchKnow

Read full description

BatchKnow is a free batch code checker and cosmetic checker for skincare, makeup, perfume, and fragrance products. Choose a brand and enter the batch code printed on the pack. Depending on the brand and its code format, the app shows a production date, an expiry date, or both. Some brands repeat their year codes. For example, one code can mean 2020 or 2010. In that case, our app shows each possible date. When you bought the product, or when it first went on sale, usually tells you which date it mostly like belong to. Typing a small printed code can be awkward. Scan the batch code with your camera, or choose a photo from Photos. Check the code before you continue. The photo stays on your device unless you choose to attach it to a report. With BatchKnow you can: • Check batch codes from 355 cosmetic and fragrance brands • See a production date, an expiry date, or both when the code contains that information • Review other possible dates when a code repeats over time • Scan a batch code from a photo • Keep up to 50 recent checks on your phone • Report a code or result that needs another look You do not need an account. Dates are calculated from the batch code and should be treated as estimates. Unopened shelf life is usually 3 to 5 years and varies by brand and product. If the pack prints an expiry date or a PAO symbol, follow the pack.

Screenshots

LotDate4 screens
BatchKnow4 screens

Verdict

The call

The clearest difference is in-app purchases: BatchKnow at none against LotDate's 3. BatchKnow also leads on iOS requirement (15.0 vs 18.0). On price, 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

Both are free to download. LotDate sells 3 in-app purchases, starting at $2.99 per month. BatchKnow asks for nothing beyond the download.

Scorecard2 real differences · 8 level
LotDate versus BatchKnow: the parameters behind the verdict, then further details
ParameterLotDateBatchKnow
PriceFreeFree
Rating4.7 (307 ratings) — better—
Positive reviews46.7% of reviews—
Number of ratings307 — better—
Update frequencyEvery 4 days—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.015.0 — better
Further details — not scored
Size6 MB4 MB
Age rating4+4+
Developer占辉 百焱鑫 韩

In-app purchases

3 purchases

LotDate

Subscriptions2
  • Monthly Premium Membership$2.991 Month
  • Yearly Premium Membership$9.991 Year
One-time1
  • Lifetime Premium$17.99
None

BatchKnow

No in-app purchases

Questions

Is LotDate free?
LotDate is free to download, with in-app purchases available.
Is BatchKnow free?
BatchKnow is free to download, with no in-app purchases.
Do LotDate or BatchKnow have ads?
Neither LotDate nor BatchKnow shows ads.

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