Comparison

Tuomi vs evcc.io

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

Head to head
About

Tuomi

This app reads and displays information stored on NFC tags. Simply hold your iPhone near a tag to instantly access details, perfect for museums or informational exhibits.

Highlights
  • Reads NFC tag information
  • Displays tag content
  • Utilizes iOS 11 NFC framework
  • Works with iPhones and iPads
Read full description

Tuomi NFC scanner provides users with information that is contained within the tag. After holding the iPhone near to an NFC tag, an iPhone user is provided with information e.g. at a museum, a visitor could hold an iPhone near an exhibit to receive detailed information about it. Please note: the new iOS 11 framework enables iPhone to detect and read NFC tags, but it does not enable to write the NFC tags.

About

evcc.io

Control your home's electric vehicle charging based on solar energy availability or off-peak electricity rates. This app provides remote access to your local evcc server for seamless integration with your EV charger and compatible solar or battery systems.

Highlights
  • Automatic evcc server detection
  • Interaction with evcc UI
  • Demo instance for testing
  • Light/Dark mode
  • Supports various EV chargers
  • Integrates with smart plugs and battery systems
Features
Read full description

Charge your electric car when the sun is shining or when electricity is clean and affordable. With this app, you can access your local evcc instance on your home network. App Features: - Automatic detection of your evcc server - Interaction with your evcc UI - Demo instance available for testing - Light/Dark Mode: Adapts to your device Prerequisite: You must have evcc installed on a device (Raspberry Pi, Windows, macOS, Linux Docker, ...) at your home. What is evcc? evcc is an open-source software that runs at your home. It is compatible with many PV and battery systems and controls your EV charger - regardless of manufacturer. If your car has an online interface, you can also use smart controls like charging schedules, minimum charging, and charging limits. Additionally, it supports dynamic electricity tariffs, smart plugs, balcony solar systems, and small home batteries. Supported EV Chargers: ABB, ABL, Alfen, Alphatec, Amperfied, Audi, Bender, BMW, cFos, Compleo, CUBOS, Cupra, Dadapower, DaheimLaden, Delta, E.ON Drive, E3/DC, Easee, Ebee, echarge, EcoHarmony, Edgetech, Elli, EM2GO, Ensto, ESL, eSystems, Etrel, EVBox, Fronius, Garo, go-e, HardyBarth, Heidelberg, Hesotec, Homecharge, Innogy, INRO, Juice, KEBA, Kontron Solar, Kostal, KSE, LadeFoxx, LRT, Mennekes, my-PV, NRGKick, OBO Bettermann, OpenEVSE, openWB, Optec, Orbis, PC Electric, Peblar, Phoenix Contact, Porsche, Pracht, Pulsares, Pulsatrix, Qcells, Schneider, Schrack, SENEC, Siemens, Skoda, SMA, Smartfox, SolarEdge, Solax, Sonnen, Spelsberg, Stark in Strom, Sungrow, TechniSat, Tesla, Tigo, TinkerForge, Ubitricity, Vestel, Victron, Viridian EV, Volkswagen, Wallbe, wallbox, Walther Werke, Webasto, Weidmüller, Zaptec Supported Smart Plugs: AVM, Homematic IP, HomeWizard, myStrom, Shelly, Tasmota, TP-Link Supported Inverter and Battery Systems: A-Tronix, Acrel, Ads-tec, Alpha ESS, Ampere, Anker, APsystems, AVM, BGEtech, Bosswerk, Carlo Gavazzi, Deye, E3/DC, Eastron, Enphase, FENECON, FoxESS, Fronius, Ginlong, go-e, GoodWe, Growatt, Homematic IP, HomeWizard, Hoymiles, Huawei, IGEN Tech, Kostal, LG, Loxone, M-TEC, myStrom, OpenEMS, Powerfox, QCells, Qcells, RCT, SAJ, SAX, SENEC, Senergy, Shelly, Siemens, SMA, Smartfox, SofarSolar, Solaranzeige, SolarEdge, SolarMax, Solarwatt, Solax, Solinteng, Sonnen, St-ems, Steca, Sungrow, Sunsynk, Sunway, Tasmota, Tesla, TP-Link, VARTA, Victron, Wattsonic, Youless, ZCS Azzurro, Zendure Supported Vehicles: Aiways, Audi, BMW, Citroën, Dacia, DS, Fiat, Ford, Hyundai, Jeep, Kia, Mercedes-Benz, MG, Mini, Nissan, NIU, Opel, Peugeot, Polestar, Renault, Seat, Skoda, Smart, Tesla, Volkswagen, Volvo, Zero Motorcycles

Screenshots

Tuomi1 screens
evcc.io4 screens

Verdict

The call

The clearest difference is update cadence: Tuomi at every 3 weeks against evcc.io's every 2 months. Tuomi also leads on review sentiment (100% vs 91%) and iOS requirement (13.2 vs 16.4). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Tuomi ships an update every 3 weeks, evcc.io every 2 months. The most recent releases landed on October 1, 2026 and October 15, 2026 respectively.

Scorecard3 real differences · 7 level
Tuomi versus evcc.io: the parameters behind the verdict, then further details
ParameterTuomievcc.io
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews100.0% of reviews — better90.9% of reviews
Number of ratings—1 — better
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.2 — better16.4
Further details — not scored
Size2 MB46 MB
Age rating4+4+
DeveloperTUOMI S.A.Michael Geers

Customer experience

Tuomi

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

evcc.io

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews22 reviews
Positive90.9%
Neutral4.5%
Negative4.5%

In-app purchases

None

Tuomi

No in-app purchases

None

evcc.io

No in-app purchases

Questions

Is Tuomi free?
Tuomi is free to download, with no in-app purchases.
Is evcc.io free?
evcc.io is free to download, with no in-app purchases.
Do Tuomi or evcc.io have ads?
Neither Tuomi nor evcc.io shows ads.
Which is updated more often, Tuomi or evcc.io?
Tuomi ships an update every 3 weeks, and evcc.io every 2 months. Most recently, Tuomi was updated on October 1, 2026 and evcc.io on October 15, 2026.

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