# OpenPPG vs Chimer

The clearest difference is in-app purchases: OpenPPG at none against Chimer's 1. OpenPPG also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Chimer sells 1 one-off in-app purchase. OpenPPG asks for nothing beyond the download.

OpenPPG ships an update monthly, Chimer every 6 weeks. The most recent releases landed on October 30, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | OpenPPG | Chimer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 6 weeks |
| Size | 9 MB | 485 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [research app](https://appshunter.io/developer/1807596075) | [PING HUA HSIEH](https://appshunter.io/developer/6772143497) |

## What reviewers say

### OpenPPG

[App page](https://appshunter.io/ios/app/openppg/id6744415040)

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

**In-app purchases:** none


### Chimer

[App page](https://appshunter.io/ios/app/chimer-voice-time-announcer/id6796601123)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 永久移除廣告 | $5.99 | one-time |


## Frequently asked questions

### Is OpenPPG free?

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

### Is Chimer free?

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

### Do OpenPPG or Chimer have ads?

Chimer shows ads; OpenPPG does not.

### Which is updated more often, OpenPPG or Chimer?

OpenPPG ships an update monthly, and Chimer every 6 weeks. Most recently, OpenPPG was updated on October 30, 2026 and Chimer on November 6, 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.*