# OnTrac POS vs Spark Tester

The clearest difference is update cadence: OnTrac POS at every 3 weeks against Spark Tester's every 41 months. Spark Tester's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 15.0). On price, 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.

OnTrac POS ships an update every 3 weeks, Spark Tester every 41 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | OnTrac POS | Spark Tester |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ontrac-pos/id1434054162/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 41 months |
| Monetization | Free | — |
| Size | 15 MB | 2 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Steve Slack](https://appshunter.io/developer/1434054161) | [John Dee Martin Company](https://appshunter.io/developer/1451328915) |

## What reviewers say

### OnTrac POS

[App page](https://appshunter.io/ios/app/ontrac-pos/id1434054162)

This point-of-sale system is designed for thrift stores, offering tools to streamline sales, manage payments, and track store performance. It allows for centralized configuration of sales categories, tax information, and receipt layouts.

**Highlights:** Integrated payment processing, Centralized online management portal, Cash drawer reconciliation, Customizable receipt printing, Store performance metrics, Manager approval for payments

**In-app purchases:** none


### Spark Tester

[App page](https://appshunter.io/ios/app/spark-tester/id1551845475)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OnTrac POS free?

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

### Is Spark Tester free?

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

### Do OnTrac POS or Spark Tester have ads?

Neither OnTrac POS nor Spark Tester shows ads.

### Which is updated more often, OnTrac POS or Spark Tester?

OnTrac POS ships an update every 3 weeks, and Spark Tester every 41 months. Most recently, OnTrac POS was updated on November 2, 2026 and Spark Tester on November 7, 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.*