# Spring Development Bank vs Exch Rate Lab

The clearest difference is update cadence: Spring Development Bank at every 9 days against Exch Rate Lab's every 3 months. Spring Development Bank also leads on device support. Exch Rate Lab's advantage is iOS requirement (13.0 vs 15.1). On price and in-app purchases there is nothing between them.

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

Spring Development Bank ships an update every 9 days, Exch Rate Lab every 3 months. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Spring Development Bank | Exch Rate Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (331 ratings)](https://appshunter.io/ios/app/spring-development-bank/id6479963336/reviews)** | — |
| Number of ratings | **331** | — |
| Positive reviews | 99.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Every 9 days** | Every 3 months |
| Monetization | Free | — |
| Size | 70 MB | 192 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Spring Development Bank](https://appshunter.io/developer/1737679810) | [Peach (KR)](https://appshunter.io/developer/1765705176) |

## What reviewers say

### Spring Development Bank

[App page](https://appshunter.io/ios/app/spring-development-bank/id6479963336)

Experience a revolutionary multi-currency banking service powered by blockchain technology. Manage funds globally, transfer money instantly, and access investment opportunities all from your mobile device.

**Highlights:** Manage multiple currencies, Instant free fund transfers, Real-time exchange rates, Digital asset management, Investment opportunities

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

**In-app purchases:** none

**What reviewers like**

- 👍 Reliable
- 🚀 Easy to use
- 🔒 Secure
- 💰 Supports multiple currencies
- 💳 Convenient banking features

**What reviewers complain about**

- 🔑 Requires login every time
- 🔒 Could use more security options (e.g., biometric login)

**Reported bugs**

- Occasional crashes or freezes

**Requested features**

- Dark mode option
- Advanced analytics dashboard
- More investment/savings features


### Exch Rate Lab

[App page](https://appshunter.io/ios/app/exch-rate-lab/id6759355780)

**In-app purchases:** none


## Frequently asked questions

### Is Spring Development Bank free?

Spring Development Bank is free to download, with no in-app purchases.

### Is Exch Rate Lab free?

Exch Rate Lab is free to download, with no in-app purchases.

### Which is updated more often, Spring Development Bank or Exch Rate Lab?

Spring Development Bank ships an update every 9 days, and Exch Rate Lab every 3 months. Most recently, Spring Development Bank was updated on October 30, 2026 and Exch Rate Lab on November 5, 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.*