ISO8583 Bitmap Calculator vs EMVDecoder Toolkit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ISO8583 Bitmap Calculator
This utility helps you understand active data elements within ISO8583 messages by visualizing the bitmap. Easily enable or disable fields to see the updated bitmap representation. Supports primary, secondary, and tertiary bitmaps.
- Visualize active data elements
- Enable/disable fields
- Update bitmap in real-time
- Support for primary bitmaps
- Support for secondary bitmaps
- Support for tertiary bitmaps
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ISO8583 Bitmap Calculator app allows you to know which data elements are active in the ISO8583 message entering the bitmap. Fields can be enabled or disabled pressing each data element showing up the updated bitmap. Primary, secondary and tertiary bitmaps are supported.
EMVDecoder Toolkit
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EMVDecoder Toolkit is your all-in-one solution for payment card industry professionals, engineers, testers, and auditors. This app provides a comprehensive suite of tools for cryptography, card security, EMV, ISO 8583, and more—right from your mobile device. Key Features: - Cryptography Tools: DES/3DES, AES, SHA, and HMAC calculators for secure encryption, decryption, and hashing. - Card Security: Generate and validate CVV, CVV2, CVC, and CAVV codes. Validate card numbers and check digits using the Luhn algorithm. - PIN Tools: Calculate PIN blocks (ISO 9564, VISA, IBM 3624), PVV, PIN offsets, and perform PIN extraction and brute force analysis. Simulate HSM PIN operations. - EMV & TLV: Parse TLV data and decode EMV tags for in-depth card data analysis. - ISO 8583: Build and analyze bitmaps, parse and validate ISO 8583 messages, and work with TR-31 key blocks. - Key Tools: Calculate KCV, split and share keys using Shamir’s Secret Sharing, and simulate HSM key operations. - Luhn Tools: Validate PANs, calculate check digits, and generate test card numbers. - Converters: Convert between ASCII, Hex, Binary, and various date/time formats. - Field Decoders: Analyze POS data and decode entry mode fields. the tool is useful for Payment system engineers, QA testers, security auditors, fintech developers, and anyone working with payment cards, POS, or transaction systems.
Screenshots
Verdict
The clearest difference is price: ISO8583 Bitmap Calculator at Free against EMVDecoder Toolkit's $7.99. EMVDecoder Toolkit's advantage is update cadence (every 8 months vs every 32 months). On ads, in-app purchases, 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
ISO8583 Bitmap Calculator is free to download; EMVDecoder Toolkit costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ISO8583 Bitmap Calculator ships an update every 32 months, EMVDecoder Toolkit every 8 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.
| Parameter | ISO8583 Bitmap Calculator | EMVDecoder Toolkit |
|---|---|---|
| Price | Free — better | $7.99 |
| Rating | 4.5 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 32 months | Every 8 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 4 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Dario Fanjul | bzhar badawy |
In-app purchases
ISO8583 Bitmap Calculator
No in-app purchases
EMVDecoder Toolkit
No in-app purchases
Questions
Is ISO8583 Bitmap Calculator free?
Is EMVDecoder Toolkit free?
Do ISO8583 Bitmap Calculator or EMVDecoder Toolkit have ads?
Which is updated more often, ISO8583 Bitmap Calculator or EMVDecoder Toolkit?
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