LotDate vs Check In | Relationship Alerts
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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/
Check In | Relationship Alerts
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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
Verdict
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
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.
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.
| Parameter | LotDate | Check In | Relationship Alerts |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (325 ratings) — better | — |
| Positive reviews | 46.7% of reviews | — |
| Number of ratings | 325 — better | — |
| Update frequency | Every 4 days — better | Weekly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 6 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | 占辉 百 | Kierre Willoughby |
In-app purchases
LotDate
- Monthly Premium Membership$2.991 Month
- Yearly Premium Membership$9.991 Year
- Lifetime Premium$17.99
Check In | Relationship Alerts
- Check In Pro$6.99
Questions
Is LotDate free?
Is Check In | Relationship Alerts free?
Do LotDate or Check In | Relationship Alerts have ads?
Which is updated more often, LotDate or Check In | Relationship Alerts?
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