TOPO.app vs SpotGrid
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
TOPO.app
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Our TOPO product family is the only radar system that can offer axle detection along with length and speed measurement. Its recording and classification functions โ including an additional microphone for pinpointing the position of the engine block โ open up new dimensions in traffic data capture. Our devices can be used on roads inside and outside of urban areas. They can be integrated in a standard reflector post or installed on various pole systems.
SpotGrid
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SpotGrid shows live European electricity spot prices from the wholesale market - 33 bidding zones across 24 countries, around the clock, free. DAY-AHEAD SPOT PRICES Transparent daily electricity prices with a preview of the next day. See exactly when power is expensive and when it is cheap. Perfect for dynamic tariffs and conscious consumption. PRICE OPTIMIZER Automatically find the cheapest window - 1 to 12 hours, exactly as long as your appliance runs, today and tomorrow. Ideal for: โข EV charging at the best rate โข Timing the washing machine & dishwasher โข Optimally controlling the heat pump โข Pool heating & hot water 33 BIDDING ZONES IN EUROPE Germany, Austria, France, Spain, Portugal, Italy (North and South), the Netherlands, Belgium, Switzerland, Poland, Czechia, Slovakia, Slovenia, Croatia, Hungary, Romania, Bulgaria and Greece - plus the bidding zones of Norway, Sweden, Denmark, Finland, Lithuania and Latvia. END CUSTOMER PRICE Add your grid fees, levies, supplier margin and VAT - then every hour shows what it actually costs you, not just the exchange price. MULTI-CURRENCY Automatic conversion to EUR, CHF, SEK, NOK, DKK, PLN, CZK, HUF, GBP, BGN, RON, HRK and more. Prices always in your home currency. HOME SCREEN WIDGET The current electricity price and the cheapest hours, right on your home screen - without opening the app. WHY SPOTGRID? โข 100% free - no subscription trap โข No registration, no account โข Two fixed sponsor placements pay for the app - no ad network, no personalised advertising, no tracking โข Fast, clear, in English โข A notification the moment tomorrow's prices are published SpotGrid is perfect for anyone with a dynamic electricity tariff, an electric car, a solar PV system, a battery storage or a heat pump. Save real money by shifting consumption into cheap hours - and do something for the climate at the same time. Install SpotGrid now and never miss cheap electricity again!
Screenshots
Verdict
TOPO.app and SpotGrid are too close to call on the numbers: across 6 compared parameters โ price, update cadence, ads and in-app purchases among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
TOPO.app ships an update every 2 months, SpotGrid every 6 weeks. The most recent releases landed on September 19, 2026 and September 22, 2026 respectively.
| Parameter | TOPO.app | SpotGrid |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 6 weeks โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 16.6 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 37 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | RTB Elektronik GmbH & Co. KG | Smettly GmbH |
In-app purchases
TOPO.app
No in-app purchases
SpotGrid
No in-app purchases
Questions
Is TOPO.app free?
Is SpotGrid free?
Do TOPO.app or SpotGrid have ads?
Which is updated more often, TOPO.app or SpotGrid?
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