ISO8583 Bitmap Calculator vs EZ OTA
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.
EZ OTA
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This App EZ OTA is designed to update device firmware automatcially according to the device names.
Screenshots
Verdict
The clearest difference is update cadence: EZ OTA at every 3 days against ISO8583 Bitmap Calculator's every 32 months. EZ OTA also leads on iOS requirement (12.0 vs 15.0). 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.
ISO8583 Bitmap Calculator ships an update every 32 months, EZ OTA every 3 days. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.
| Parameter | ISO8583 Bitmap Calculator | EZ OTA |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 32 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Dario Fanjul | 文栋 顾 |
In-app purchases
ISO8583 Bitmap Calculator
No in-app purchases
EZ OTA
No in-app purchases
Questions
Is ISO8583 Bitmap Calculator free?
Is EZ OTA free?
Do ISO8583 Bitmap Calculator or EZ OTA have ads?
Which is updated more often, ISO8583 Bitmap Calculator or EZ OTA?
Other comparisons
