# Weight on Other Planets Conv vs PING

The clearest difference is price: PING at Free against Weight on Other Planets Conv's $2.99. PING also leads on update cadence (every 3 months vs every 39 months). Weight on Other Planets Conv's advantage is iOS requirement (12.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

PING is free to download; Weight on Other Planets Conv costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Weight on Other Planets Conv ships an update every 39 months, PING every 3 months. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Weight on Other Planets Conv | PING |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 3 months** |
| Size | 9 MB | 9 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Heng Jia Liang](https://appshunter.io/developer/1532000635) | [Roy Tay](https://appshunter.io/developer/1796107864) |

## What reviewers say

### Weight on Other Planets Conv

[App page](https://appshunter.io/ios/app/weight-on-other-planets-conv/id6443611912)

**Features:** macOS Compatibility

**In-app purchases:** none


### PING

[App page](https://appshunter.io/ios/app/ping-send-notifications/id6765935406)

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

**In-app purchases:** none


## Frequently asked questions

### Is Weight on Other Planets Conv free?

Weight on Other Planets Conv costs $2.99, with no in-app purchases.

### Is PING free?

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

### Do Weight on Other Planets Conv or PING have ads?

Neither Weight on Other Planets Conv nor PING shows ads.

### Which is updated more often, Weight on Other Planets Conv or PING?

Weight on Other Planets Conv ships an update every 39 months, and PING every 3 months. Most recently, Weight on Other Planets Conv was updated on November 7, 2026 and PING on November 9, 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.*