Smartap vs 21
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smartap
Easily read and write information to NFC tags. This utility allows for quick data transfer and interaction with NFC-enabled devices.
- Read NFC tags
- Write NFC tags
- NFC data interaction
- NFC tag management
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Introducing Smartap - NFC tools app Write & Read your NFC tag using Smartap For more information please visit our website https://smartap.me
21
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21-Card is a simple app that lets you store your cards especially those with barcodes all in one place. - Add cards quickly and easily. - No sign-up required. - Completely ad-free - No tracking of any kind - Works offline, no internet needed - Scan your physical cards directly - Import cards from your photo library
Screenshots
Verdict
The clearest difference is iOS requirement: Smartap at 15.1 against 21's 18.4. On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Smartap | 21 |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 34 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 — better | 18.4 |
| Further details — not scored | ||
| Size | 17 MB | 11 MB |
| Age rating | 17+ | 4+ |
| Developer | Safeair Media Inc. | Najib El guertit |
In-app purchases
Smartap
No in-app purchases
21
No in-app purchases
