Sarotis vs FizzCounter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sarotis
Easily read, write, and manage NFC tags. Save tag data, import/export information, and clear or lock tags. Supports various data types like contacts, web links, and Wi-Fi configurations.
- Write/Read NFC Tags (NDEF Format)
- Save and Import NFC Tag Data
- Export Data to CSV
- Clear and Lock NFC Tags
- Text-to-Speech for Read Data
- Create vCards, Web Links, Wi-Fi, and more
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With Sarotis - NFC Writer / Reader you are able to write / read your NFC Tags. Additional, you have the ability to save your NFC Tags and write that data to other NFC Tags. The records of scanned NFC Tags can be opened directly, e.g. read contact record can be imported to your contacts or you can execute Siri Shortcuts directly in the app. Features - Write / Read NFC Tags (NDEF Format) - Save NFC Tag data - Import NFC Tag data - Export NFC Tag data (CSV file) - Load saved NFC Tag data and write it to other NFC Tags - Open read data directly - View / Copy raw data - Clear NFC Tags - Lock NFC Tags - Read out scanned NFC Tags (Text to speech) - NFC Tag history (read / write) - Protect NFC Tag with password Section Read NFC - Scan vCards and import it to your contacts - Open locations in map - Open Weblinks - Start FaceTime calls - Start phone calls - Send text messages (SMS) - Read plain text - Read and open eMails - Read Bluetooth - Read Wifi and connect - Read hex data Section Write NFC - Create vCards and write them to NFC Tags - Create locations from a map - Create Siri Shortcuts - Create weblinks - Create FaceTime calls - Create text messages (SMS) - Create eMails - Create plain text - Create phone calls - Create Bluetooth - Create Wifi - Create hex data - Create social media quick links For feedback or feature requests please use the feedback section in the app or send an eMail to support@sarotis-nfc.de. If you like the app, please rate it in the App Store to support future development. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
FizzCounter
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FizzCounter is a simple offline app for households that make sparkling water at home and want to keep track of their CO₂ cylinder. Set up your equipment, start a cylinder, log sparkling bottles and see how much CO₂ may still remain. FizzCounter helps you understand your bottle count, cylinder use and everyday costs, including estimated cost per bottle and cost per litre. You can also record real cylinder weight readings, so future estimates can better reflect your own household use instead of relying only on broad manufacturer claims. The guided Fizzing Assistant helps with supported setups by walking you through cold-water preparation, attaching the bottle and following timed carbonation prompts. Sounds and vibrations can be turned on or off in Settings. Features: • Track your active CO₂ cylinder • Keep spare and finished cylinders • Log sparkling bottles manually • Use guided fizzing with timed prompts • Estimate remaining CO₂ and cylinder weight • Record cylinder weight readings • View bottle and cylinder history • Track refill and replacement costs • See estimated cost per bottle and per litre • Track more than one bottle at home • View simple usage charts • Export reports • Back up and restore your local app data • Restore a backup during first setup • Choose English, Polish or system language • Use light, dark or system theme • Works fully offline FizzCounter is private by design. It does not require an account, does not contain adverts, does not use analytics, does not track you and does not send your data to our servers. Your app data is stored locally on your device. Exporting or sharing data only happens when you choose it. Your device’s normal system backup may include FizzCounter’s local app data if you have device backup enabled. This is not live sync, and FizzCounter does not provide cloud syncing. FizzCounter is an independent utility app. It can be used with selected compatible home sparkling-water setups, but it is not affiliated with, endorsed by or sponsored by SodaStream or any sparkling water brand. SodaStream is a trademark of its owner. Estimates are for household tracking only.
Screenshots
Verdict
The clearest difference is in-app purchases: FizzCounter at none against Sarotis's 4. FizzCounter also leads on update cadence (every 2 days vs every 6 weeks). On price, ads, device support and iOS requirement 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. Sarotis sells 4 in-app purchases, starting at $1.99 per month. FizzCounter asks for nothing beyond the download.
Sarotis ships an update every 6 weeks, FizzCounter every 2 days. The most recent releases landed on October 24, 2026 and October 5, 2026 respectively.
| Parameter | Sarotis | FizzCounter |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (7 ratings) — better | — |
| Positive reviews | 78.9% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 6 weeks | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 7 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Tobias Hauss | Michal Kurzdym |
In-app purchases
Sarotis
- Sarotis PRO – Monthly Subscription$1.991 Month
- Sarotis Pro - yearly subscription3 Days trial$11.991 Year
- Sarotis PRO (All Features)$7.99
- Sarotis PRO Lifetime$24.99
FizzCounter
No in-app purchases









