The fundamental difference

Hotline (along with Price.ua, Nadavi, e-Katalog) is an aggregator. It collects current prices for the same product across multiple stores and shows: "Today at Rozetka 28,990 UAH, at Foxtrot 27,490 UAH, at Comfy 29,500 UAH." The question an aggregator answers is "where do I buy it cheapest right now".

Lume is a price tracker. It watches a specific product page over weeks and months, accumulates history, and answers "is now actually a good time to buy". Without history you can't tell whether 27,490 UAH is the bottom or whether tomorrow it'll be 24,000.

And here's why this matters: an aggregator shows position in space (between stores), a tracker shows position in time (between today and yesterday). The strikethrough "old price" on a product page is a position in time, but the store gets to draw it however suits them. Only an independent tracker shows the truth about what the product cost yesterday, last week, two months ago.


What Hotline does well

Hotline has existed since 2002 and is the best-known Ukrainian price aggregator. It does three things really well:

  • All stores in one place - no need to manually open ten tabs. The same iPhone 17 Pro - in fifteen stores, prices side by side.
  • Product cards with specifications - if you haven't yet decided which exact model to buy, Hotline helps compare specs.
  • Reviews and store ratings - beyond price, you see the reputation of each seller.

So Hotline is a search engine for the "what and where to buy" decision. At this stage, it does its job better than any tracker.

What Hotline doesn't show

If you visit Hotline today and see 27,490 UAH at Foxtrot, you don't know:

  • Whether this is a historical low or, conversely, a week ago it was 23,000?
  • Whether Foxtrot raised the price the day before from 24,990 to 27,490 to make "-12%" look impressive?
  • Whether the same product at Rozetka is 26,000 because you sorted incorrectly?
  • When the price historically drops - before Black Friday? In September? After a new model releases?

An aggregator answers none of these. Because its job is to show now, not how it changed.


What Lume does well

Lume focuses on one thing - long-term price history and the conclusions you can draw from it. Concretely that means:

  1. A price chart for the entire observation period. Every dot is a real observation on a specific day. Not a marketing "old price" but the actual number that appeared on the product page that day.
  2. A verdict badge next to the current price - "🎯 Best price ever", "👍 Good price", "📊 Average", "⚠️ Currently expensive". One glance, no need to read the chart.
  3. Alerts when the price drops. Set a target price, forget about the product - the bot writes you in Telegram when it gets cheaper.
  4. Check directly on the store page via the Chrome extension. No need to switch between tabs - a card with price history appears automatically on Rozetka, Foxtrot, Comfy, Allo, MOYO, AliExpress and 600+ other stores.
  5. Cross-store comparison inside the card - yes, we also show prices at other stores, but together with history, not instead of it.

What Lume doesn't show

Honestly: we're not trying to be an aggregator. Lume won't show you:

  • All product specifications in one comparison table (that's Hotline).
  • Store reviews (Rozetka has its own, Hotline collects them separately).
  • A catalog by category ("all Bosch refrigerators under 30,000 UAH"). We don't have a catalog - we track specific product pages that you or other users added.

So Lume works after you've decided what to look for. At the "what to buy" stage, Hotline is more convenient. At the "when to buy" stage - Lume is irreplaceable.


Honest comparison table

What you needHotlineLume
Current price across stores✅ Yes✅ Yes
Price history (weeks/months chart)❌ No✅ Yes
Detection of fake "discounts"❌ No✅ Yes
Alerts when price drops⚠️ App push only✅ Telegram
Target price ("alert when <X")❌ No✅ Yes
Chart directly on the store page❌ No✅ Via extension
Catalog by category + filters✅ Strong suit❌ Not our focus
Specifications and comparison tables✅ Yes❌ No
Store reviews✅ Own system❌ No
Registration required⚠️ For saving❌ Not needed
Free✅ Yes✅ Yes
AliExpress support❌ No✅ Official API

When to use which - 4 scenarios

🛒Scenario 1: "I want a refrigerator but don't know which one"

Go to Hotline. Filters by capacity, no-frost, energy class, price range will narrow your choice from thousands of models to five. Lume is useless at this stage - we don't aggregate catalogs.

🎯Scenario 2: "Found the specific model, is now the right moment to buy?"

Go to Lume. Paste the product page URL into withlume.org/en/check or install the extension. In 10 seconds you'll see whether the price is at a historical low or whether the store inflated it before the "discount".

Scenario 3: "Ready to wait but need to know when it drops"

Go to Lume. Add the product via @LumepriceBot, set a target price, forget. The bot writes you in Telegram when the product crosses the threshold. Hotline doesn't have this - at best, generic "deals of the week" newsletter.

🔍Scenario 4: "Black Friday - is this an actual discount?"

Only Lume. Hotline will show the Foxtrot price as 14,990 UAH, supposedly "-30% from 21,990". But our chart might reveal that 21,990 only existed for three days at the end of October - the regular price is 15,500. The "discount" exists, but it's not "-30", it's "-3%". More on pseudo-discount schemes - in 5 Black Friday myths.


How to use both together

The smartest approach is to combine them. Here's what it looks like in practice:

  1. Hotline → filter and pick a model. Found the right spec, got a list of stores with current prices. Say, the cheapest option is Foxtrot at 27,490 UAH.
  2. Lume → check the history. Copy the URL from the Foxtrot page, paste into withlume.org/en/check. If the chart shows that 27,490 is a 3-month historical low, buy without doubt. If the price was 23,000 just two weeks ago - wait, a pullback is possible.
  3. Lume → long-term monitoring (optional). If you decide to wait - add the product to the bot with a target price. No need to check daily, it'll notify itself.

This workflow gives you the best of both worlds: Hotline's breadth + Lume's depth. The decision-making time drops from 30-40 minutes of "research" to 3-5 minutes with a sufficiently confident conclusion.


Pitfalls (for both)

1. Hotline doesn't always show all stores

There are dozens of stores in Ukraine that don't pay Hotline for listing or don't integrate their feed. This especially affects niche sites - specialized electronics, audio, household appliances. Lume supports over 650 stores, including many that aren't in Hotline.

2. Lume has history only since the product was added

If no user has added this product yet - the chart will be short. The first add starts the history. But every dot is real, not reconstructed from cache. The more people use Lume, the longer the history - a positive network effect.

3. Neither shows your bank promo codes or cashback

If you have Monobank, PUMB, or another bank with category cashback - that's a separate story, neither Hotline nor Lume computes it. Check separately.

4. Marketplace sellers on Rozetka

On Rozetka, the same product can be sold by Rozetka itself and by third-party sellers at different prices. Make sure you're comparing with the lowest among them all - or just use /check, where the cross-store section shows all variants automatically.

Try Lume on the same product you already found in Hotline

Copy the URL from the product page (Rozetka, Foxtrot, Comfy - any store) and see what the "discount" hides. Free, no signup, ~10 seconds.

Open price check →

Summary

  • Hotline and Lume aren't competitors - they answer different questions. "Where to buy" - Hotline. "When to buy" - Lume.
  • Without price history, you can't distinguish a real discount from marketing. Without an aggregator, it's hard to find what to buy in the first place. So it makes sense to have both.
  • If you've already found the product and aren't sure whether to buy now - 10 seconds via withlume.org/en/check resolves the question.
  • For regular shopping - the Chrome extension integrates with the Hotline workflow automatically - just open the product in the store, see the chart overlay.
  • For long monitoring - @LumepriceBot with target prices.

Everything above applies equally to other aggregators - Price.ua, e-Katalog, Nadavi. It's not "Lume vs Hotline" specifically, it's "tracker vs aggregator" as a category. If you already use any of them - add a tracker, and your purchase decisions will become an order of magnitude more accurate.