# ISO8583 Bitmap Calculator vs Solaris Optics

The clearest difference is rating: ISO8583 Bitmap Calculator at 4.5 against Solaris Optics's 3.3. Solaris Optics's advantage is update cadence (every 3 weeks vs every 32 months) and ratings volume (6 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ISO8583 Bitmap Calculator holds the better App Store score, 4.5 against 3.3. Both are backed by a comparable volume of ratings — 2 and 6 respectively.

ISO8583 Bitmap Calculator ships an update every 32 months, Solaris Optics every 3 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | ISO8583 Bitmap Calculator | Solaris Optics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/iso8583-bitmap-calculator/id607389533/reviews)** | [3.3 (6 ratings)](https://appshunter.io/ios/app/solaris-optics/id1580420859/reviews) |
| Number of ratings | 2 | **6** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 32 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 4 MB | 50 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dario Fanjul](https://appshunter.io/developer/607389536) | [Solaris Oilfield Infrastructure, LLC](https://appshunter.io/developer/1201366762) |

## What reviewers say

### ISO8583 Bitmap Calculator

[App page](https://appshunter.io/ios/app/iso8583-bitmap-calculator/id607389533)

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.

**Highlights:** Visualize active data elements, Enable/disable fields, Update bitmap in real-time, Support for primary bitmaps, Support for secondary bitmaps, Support for tertiary bitmaps

**Features:** macOS Compatibility

**In-app purchases:** none


### Solaris Optics

[App page](https://appshunter.io/ios/app/solaris-optics/id1580420859)

Monitor industrial equipment remotely for maintenance and repair. Designed for field personnel to keep track of machinery status and facilitate timely interventions.

**Highlights:** Remote equipment monitoring, Maintenance tracking, Repair facilitation, Field personnel support, Industrial equipment oversight

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ISO8583 Bitmap Calculator free?

ISO8583 Bitmap Calculator is free to download, with no in-app purchases.

### Is Solaris Optics free?

Solaris Optics is free to download, with no in-app purchases.

### Which has better reviews, ISO8583 Bitmap Calculator or Solaris Optics?

ISO8583 Bitmap Calculator is rated higher. ISO8583 Bitmap Calculator averages 4.5 out of 5 from 2 ratings, while Solaris Optics averages 3.3 from 6 ratings.

### Do ISO8583 Bitmap Calculator or Solaris Optics have ads?

Neither ISO8583 Bitmap Calculator nor Solaris Optics shows ads.

### Which is updated more often, ISO8583 Bitmap Calculator or Solaris Optics?

ISO8583 Bitmap Calculator ships an update every 32 months, and Solaris Optics every 3 weeks. Most recently, ISO8583 Bitmap Calculator was updated on November 1, 2026 and Solaris Optics on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*