# Sioux Valley CCU vs NatriumEFCU

The clearest difference is review sentiment: NatriumEFCU at 100% against Sioux Valley CCU's 25%. NatriumEFCU also leads on ads (none vs shown) and rating (5.0 vs 4.7). Sioux Valley CCU's advantage is update cadence (every 4 months vs every 25 months) and ratings volume (93 vs 1). On price, 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.

NatriumEFCU holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Sioux Valley CCU has 93 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 25% of Sioux Valley CCU's written reviews are positive against 100% of NatriumEFCU's.

Sioux Valley CCU ships an update every 4 months, NatriumEFCU every 25 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Sioux Valley CCU | NatriumEFCU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (93 ratings)](https://appshunter.io/ios/app/sioux-valley-ccu/id1455981362/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/natriumefcu/id1521880597/reviews)** |
| Number of ratings | **93** | 1 |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 25 months |
| Monetization | Ad-supported | **Free** |
| Size | 111 MB | 13 MB |
| Requires iOS | 15.0 | **12.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sioux Valley Community Credit Union](https://appshunter.io/developer/1075417187) | [Natrium Employees Federal Credit Union](https://appshunter.io/developer/1521880599) |

## What reviewers say

### Sioux Valley CCU

[App page](https://appshunter.io/ios/app/sioux-valley-ccu/id1455981362)

Manage your finances conveniently from your mobile device. Check balances, review transactions, transfer funds between accounts, and pay bills on the go. Requires enrollment in online banking.

**Highlights:** Check account balances, Review recent transactions, Transfer funds, View and pay bills, Secure access

**Features:** macOS Compatibility

**In-app purchases:** none


### NatriumEFCU

[App page](https://appshunter.io/ios/app/natriumefcu/id1521880597)

Manage your credit union accounts conveniently and securely from your mobile device. Check balances, view transaction history, transfer funds, and access current rates anytime, anywhere. This app is free for enrolled NEFCU members.

**Highlights:** Account balance checks, Transaction history viewing, Cleared check viewing, Fund transfers, Current rate information, 24/7 account access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sioux Valley CCU free?

Sioux Valley CCU is free to download, with no in-app purchases.

### Is NatriumEFCU free?

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

### Which has better reviews, Sioux Valley CCU or NatriumEFCU?

NatriumEFCU is rated higher. Sioux Valley CCU averages 4.7 out of 5 from 93 ratings, while NatriumEFCU averages 5.0 from 1 ratings.

### Do Sioux Valley CCU or NatriumEFCU have ads?

Sioux Valley CCU shows ads; NatriumEFCU does not.

### Which is updated more often, Sioux Valley CCU or NatriumEFCU?

Sioux Valley CCU ships an update every 4 months, and NatriumEFCU every 25 months. Most recently, Sioux Valley CCU was updated on November 2, 2026 and NatriumEFCU 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.*