# Spark Tester vs Happy Tails Eufaula

The clearest difference is update cadence: Happy Tails Eufaula at every 5 weeks against Spark Tester's every 41 months. Spark Tester's advantage is iOS requirement (13.0 vs 16.7.16). 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.

Spark Tester ships an update every 41 months, Happy Tails Eufaula every 5 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Spark Tester | Happy Tails Eufaula |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 5 weeks** |
| Size | 2 MB | 5 MB |
| Requires iOS | **13.0** | 16.7.16 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [John Dee Martin Company](https://appshunter.io/developer/1451328915) | [Pawzlove, Inc.](https://appshunter.io/developer/1470136559) |

## What reviewers say

### Spark Tester

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Happy Tails Eufaula

[App page](https://appshunter.io/ios/app/happy-tails-eufaula/id6746340202)

**In-app purchases:** none


## Frequently asked questions

### Is Spark Tester free?

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

### Is Happy Tails Eufaula free?

Happy Tails Eufaula is free to download, with no in-app purchases.

### Do Spark Tester or Happy Tails Eufaula have ads?

Neither Spark Tester nor Happy Tails Eufaula shows ads.

### Which is updated more often, Spark Tester or Happy Tails Eufaula?

Spark Tester ships an update every 41 months, and Happy Tails Eufaula every 5 weeks. Most recently, Spark Tester was updated on November 3, 2026 and Happy Tails Eufaula on October 30, 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.*