# OkuloPay vs Spark Systems

The clearest difference is iOS requirement: OkuloPay at 10.0 against Spark Systems's 16.6. On price, update cadence, ads 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.

OkuloPay ships an update monthly, Spark Systems every 4 weeks. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | OkuloPay | Spark Systems |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 weeks** |
| Size | 35 MB | 26 MB |
| Requires iOS | **10.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Okulo Inc.](https://appshunter.io/developer/1009164717) | [Spark Systems Pte. Ltd.](https://appshunter.io/developer/1433658743) |

## What reviewers say

### OkuloPay

[App page](https://appshunter.io/ios/app/okulopay/id1247337966)

**Features:** macOS Compatibility

**In-app purchases:** none


### Spark Systems

[App page](https://appshunter.io/ios/app/spark-systems/id1433658744)

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

**In-app purchases:** none


## Frequently asked questions

### Is OkuloPay free?

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

### Is Spark Systems free?

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

### Do OkuloPay or Spark Systems have ads?

Neither OkuloPay nor Spark Systems shows ads.

### Which is updated more often, OkuloPay or Spark Systems?

OkuloPay ships an update monthly, and Spark Systems every 4 weeks. Most recently, OkuloPay was updated on September 17, 2026 and Spark Systems on September 18, 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.*