Comparison

Sarotis vs Dido

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

Head to head
About

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.

Highlights
  • 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
Read full description

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/

About

Dido

Features
Read full description

Follow every project from start to finish without losing the thread. DIDO brings your requests, quotes, messages, and deliveries together in a single, fast, and clear app. What you can do • Track each request's progress, step by step • Chat directly with the team — attachments, quotes, and updates all stay in the conversation • Browse the full history of your projects anytime A clear 7-step journey From request submitted to project closed, every stage is visible: request created, quote received, quote accepted, development started, delivery available, delivery approved, project closed. No more "where do we stand?" Built for teams DIDO smooths collaboration between clients and the technical team. Everything lives in a single thread — messages, documents, decisions. No more lost emails or misplaced attachments. Why DIDO? • Clean interface, intuitive navigation • Secure sign-in • Instant notifications so nothing slips through • Full history, accessible anytime • Optimized for iPhone Sign in, pick up where you left off, approve quotes, and stay in touch with the team. DIDO makes project tracking simple, transparent, and effortless.

Screenshots

Sarotis4 screens
Dido4 screens

Verdict

The call

The clearest difference is in-app purchases: Dido at none against Sarotis's 4. Dido also leads on update cadence (weekly 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Sarotis sells 4 in-app purchases, starting at $1.99 per month. Dido asks for nothing beyond the download.

UpkeepUpdate frequency

Sarotis ships an update every 6 weeks, Dido weekly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level
Sarotis versus Dido: the parameters behind the verdict, then further details
ParameterSarotisDido
PriceFreeFree
Rating3.9 (7 ratings) — better—
Positive reviews78.9% of reviews—
Number of ratings7 — better—
Update frequencyEvery 6 weeksWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.0 — better16.4
Further details — not scored
Size7 MB36 MB
Age rating4+17+
DeveloperTobias HaussMONITORING AND CLOUD MANAGEMENT SOLUTION

In-app purchases

4 purchases

Sarotis

Subscriptions2
  • Sarotis PRO – Monthly Subscription$1.991 Month
  • Sarotis Pro - yearly subscription3 Days trial$11.991 Year
One-time2
  • Sarotis PRO (All Features)$7.99
  • Sarotis PRO Lifetime$24.99
None

Dido

No in-app purchases

Questions

Is Sarotis free?
Sarotis is free to download, with in-app purchases available.
Is Dido free?
Dido is free to download, with no in-app purchases.
Do Sarotis or Dido have ads?
Neither Sarotis nor Dido shows ads.
Which is updated more often, Sarotis or Dido?
Sarotis ships an update every 6 weeks, and Dido weekly. Most recently, Sarotis was updated on October 25, 2026 and Dido on October 24, 2026.

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