# EchoVis Quiz vs axel pong

The clearest difference is price: EchoVis Quiz at Free against axel pong's $2.99. EchoVis Quiz also leads on iOS requirement (13.0 vs 15.0). axel pong's advantage is in-app purchases (none vs 6) and update cadence (every 2 months vs every 6 months). On ads and device support there is nothing between them.

EchoVis Quiz is free to download; axel pong costs $2.99 up front. EchoVis Quiz sells 6 one-off in-app purchases. axel pong asks for nothing beyond the download.

EchoVis Quiz ships an update every 6 months, axel pong every 2 months. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | EchoVis Quiz | axel pong |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Size | 22 MB | 181 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Transition Technologies S.A.](https://appshunter.io/developer/388173587) | [Mieczyslaw Bak](https://appshunter.io/developer/1861429541) |

## What reviewers say

### EchoVis Quiz

[App page](https://appshunter.io/ios/app/echovis-quiz/id1584085519)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package 1 | $1.99 | one-time |
| Package 2 | $1.99 | one-time |
| Package 3 | $1.99 | one-time |
| Package 4 | $1.99 | one-time |
| Package 6 | $1.99 | one-time |
| Package 5 | $1.99 | one-time |


### axel pong

[App page](https://appshunter.io/ios/app/axel-pong/id6756565708)

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

**In-app purchases:** none


## Frequently asked questions

### Is EchoVis Quiz free?

EchoVis Quiz is free to download, with in-app purchases available.

### Is axel pong free?

axel pong costs $2.99, with no in-app purchases.

### Do EchoVis Quiz or axel pong have ads?

Neither EchoVis Quiz nor axel pong shows ads.

### Which is updated more often, EchoVis Quiz or axel pong?

EchoVis Quiz ships an update every 6 months, and axel pong every 2 months. Most recently, EchoVis Quiz was updated on October 7, 2026 and axel pong on October 13, 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.*