# ERP iMax vs Play Duo

The clearest difference is in-app purchases: ERP iMax at none against Play Duo's 10. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Play Duo sells 10 one-off in-app purchases. ERP iMax asks for nothing beyond the download.

ERP iMax ships an update every 5 days, Play Duo every 8 days. The most recent releases landed on October 8, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | ERP iMax | Play Duo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/play-duo/id6742088668/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 8 days |
| Monetization | — | Free with in-app purchases |
| Size | 127 MB | 298 MB |
| Requires iOS | 16.0 | **15** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Nguyen Cuong](https://appshunter.io/developer/1445522749) | [BTG TECHNOLOGY DEVELOPMENT COMPANY LIMITED](https://appshunter.io/developer/6813053079) |

## What reviewers say

### ERP iMax

[App page](https://appshunter.io/ios/app/erp-imax/id6466155367)

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

**In-app purchases:** none


### Play Duo

[App page](https://appshunter.io/ios/app/play-duo/id6742088668)

Connect with fellow gamers and streamers to find teammates, join voice chats, and share your gaming moments. Build your fan community and express appreciation through virtual gifts in a vibrant social environment.

**Highlights:** Find gaming partners, Private and voice chat, Join voice chat rooms, Become an SPlayer, Send virtual gifts, Share gaming moments, Active gaming community

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 16 Diamond Pack | $0.99 | one-time |
| 30 Diamond Pack | $0.99 | one-time |
| 70 Diamond Pack | $0.99 | one-time |
| 21 Diamond Pack | $0.99 | one-time |
| 46 Diamond Pack | $0.99 | one-time |
| Gói 21 Kim Cương | $0.99 | one-time |
| Gói 46 Kim Cương | $0.99 | one-time |
| 121 Diamond Pack | $1.99 | one-time |
| Gói 121 Kim Cương | $1.99 | one-time |
| 251 Diamond Pack | $3.99 | one-time |


## Frequently asked questions

### Is ERP iMax free?

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

### Is Play Duo free?

Play Duo is free to download, with in-app purchases available.

### Do ERP iMax or Play Duo have ads?

Neither ERP iMax nor Play Duo shows ads.

### Which is updated more often, ERP iMax or Play Duo?

ERP iMax ships an update every 5 days, and Play Duo every 8 days. Most recently, ERP iMax was updated on October 8, 2026 and Play Duo on November 4, 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.*