# Essence Flex Spend vs KRMIC Black Diamond

The clearest difference is update cadence: KRMIC Black Diamond at every 2 months against Essence Flex Spend's every 4 months. KRMIC Black Diamond also leads on iOS requirement (15.5 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Essence Flex Spend ships an update every 4 months, KRMIC Black Diamond every 2 months. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Essence Flex Spend | KRMIC Black Diamond |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.9 (24 ratings)](https://appshunter.io/ios/app/essence-flex-spend/id6479701344/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 7.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 29 MB | 141 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Essence Healthcare, Inc](https://appshunter.io/developer/1736959493) | [KRMIC Black Diamond](https://appshunter.io/developer/1879617483) |

## What reviewers say

### Essence Flex Spend

[App page](https://appshunter.io/ios/app/essence-flex-spend/id6479701344)

Manage your Flex Card on the go with this secure mobile app. Check balances, scan product barcodes for eligibility, and view account summaries. Retrieve forgotten credentials and report lost or stolen cards.

**Highlights:** Secure card management, Check available balances, Scan product barcodes for eligibility, View account summaries, Retrieve forgotten credentials, Report lost/stolen cards, Set notification preferences

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


### KRMIC Black Diamond

[App page](https://appshunter.io/ios/app/krmic-black-diamond/id6759579080)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Essence Flex Spend free?

Essence Flex Spend is free to download, with no in-app purchases.

### Is KRMIC Black Diamond free?

KRMIC Black Diamond is free to download, with no in-app purchases.

### Do Essence Flex Spend or KRMIC Black Diamond have ads?

Neither Essence Flex Spend nor KRMIC Black Diamond shows ads.

### Which is updated more often, Essence Flex Spend or KRMIC Black Diamond?

Essence Flex Spend ships an update every 4 months, and KRMIC Black Diamond every 2 months. Most recently, Essence Flex Spend was updated on November 4, 2026 and KRMIC Black Diamond on October 31, 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.*