Comparison

LotDate vs Check In | Relationship Alerts

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

Check In | Relationship Alerts

Features
Read full description

You mean to call your mom. You keep meaning to check in on that friend going through a hard time. But days turn into weeks, and the moment quietly passes. Check In is a gentle reminder to show up for the people who matter most. HOW IT WORKS Create an Opportunity — a group of contacts you want to stay close to, like family, old college friends, or mentors. Set a schedule and a time of day. Check In does the rest. When the time comes, the app picks someone from your list at random and sends you a nudge. No decision fatigue. No overthinking. Just a simple prompt to reach out. FEATURES - Opportunities — organize contacts into meaningful groups with their own schedule - Smart nudges — timely push notifications so no one falls through the cracks - Random contact selection — the app picks for you, so you actually do it - Quick actions — call, text, snooze, or dismiss right from the notification - Simple and private — your contacts stay on your device, no social graph required Check In won't build your relationships for you. But it will make sure you never forget to try. Download free and start checking in today.

Screenshots

LotDate4 screens
Check In | Relationship Alerts4 screens

Verdict

The call

The clearest difference is iOS requirement: Check In | Relationship Alerts at 15.1 against LotDate's 18.0. On price, update cadence, ads and in-app purchases 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 and Check In | Relationship Alerts sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

LotDate ships an update every 4 days, Check In | Relationship Alerts weekly. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 9 level
LotDate versus Check In | Relationship Alerts: the parameters behind the verdict, then further details
ParameterLotDateCheck In | Relationship Alerts
PriceFreeFree
Rating4.8 (325 ratings) — better—
Positive reviews46.7% of reviews—
Number of ratings325 — better—
Update frequencyEvery 4 days — betterWeekly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.1 — better
Further details — not scored
Size6 MB41 MB
Age rating4+4+
Developer占辉 百Kierre Willoughby

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
1 purchases

Check In | Relationship Alerts

One-time1
  • Check In Pro$6.99

Questions

Is LotDate free?
LotDate is free to download, with in-app purchases available.
Is Check In | Relationship Alerts free?
Check In | Relationship Alerts is free to download, with in-app purchases available.
Do LotDate or Check In | Relationship Alerts have ads?
Neither LotDate nor Check In | Relationship Alerts shows ads.
Which is updated more often, LotDate or Check In | Relationship Alerts?
LotDate ships an update every 4 days, and Check In | Relationship Alerts weekly. Most recently, LotDate was updated on November 2, 2026 and Check In | Relationship Alerts on October 31, 2026.

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