# SPS Exam Simulator vs Echo Bat

The clearest difference is price: SPS Exam Simulator at Free against Echo Bat's $1.99. SPS Exam Simulator also leads on iOS requirement (15.6 vs 17.0). Echo Bat's advantage is in-app purchases (none vs 3). On ads and device support there is nothing between them.

SPS Exam Simulator is free to download; Echo Bat costs $1.99 up front. SPS Exam Simulator sells 3 in-app purchases, starting at $3.99 per month. Echo Bat asks for nothing beyond the download.

## The numbers

| Metric | SPS Exam Simulator | Echo Bat |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Size | 93 MB | 17 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [Nguyen Duy Khanh](https://appshunter.io/developer/1345775745) | [TRIMECH Dhaker](https://appshunter.io/developer/1832697893) |

## What reviewers say

### SPS Exam Simulator

[App page](https://appshunter.io/ios/app/sps-exam-simulator/id1633885177)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |
| Premium Quarterly | $8.99 | per 3 months |
| Premium Yearly | $24.99 | per year |


### Echo Bat

[App page](https://appshunter.io/ios/app/echo-bat-sonar-sound-explorer/id6758017893)

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

**In-app purchases:** none


## Frequently asked questions

### Is SPS Exam Simulator free?

SPS Exam Simulator is free to download, with in-app purchases available.

### Is Echo Bat free?

Echo Bat costs $1.99, with no in-app purchases.

### Do SPS Exam Simulator or Echo Bat have ads?

Neither SPS Exam Simulator nor Echo Bat shows ads.

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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.*