# SUNNY vs 100ZG

The clearest difference is in-app purchases: SUNNY at none against 100ZG's 4. SUNNY also leads on ads (none vs shown) and iOS requirement (11.0 vs 13.0). 100ZG's advantage is update cadence (every 3 weeks vs every 2 months). On price and device support there is nothing between them.

Both are free to download. 100ZG sells 4 in-app purchases, starting at $2.99 per 7 days. SUNNY asks for nothing beyond the download.

SUNNY ships an update every 2 months, 100ZG every 3 weeks. The most recent releases landed on October 1, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SUNNY | 100ZG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/100zg-format-conversion/id1594498120/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 15.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 14 MB | 131 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Sunny Industrial Co., Ltd.](https://appshunter.io/developer/1220003986) | [NetPocket Co., Ltd.](https://appshunter.io/developer/1594498122) |

## What reviewers say

### SUNNY

[App page](https://appshunter.io/ios/app/sunny/id1492048575)

**Features:** macOS Compatibility

**In-app purchases:** none


### 100ZG

[App page](https://appshunter.io/ios/app/100zg-format-conversion/id1594498120)

This app converts various file types including video, audio, images, and documents. It also offers file management, compression/decompression, and a built-in media player. A VIP subscription unlocks full functionality.

**Highlights:** Video, audio, image, and document format conversion, File management and organization, ZIP and 7z compression/decompression, Preview for images, GIFs, and documents, Built-in video and audio player with playback controls

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly membership | $2.99 | per 7 days |
| Monthly membership | $4.99 | per month |
| Annual membership | $19.99 | per year |
| PPT conversion recharge card | $1.99 | one-time |


## Frequently asked questions

### Is SUNNY free?

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

### Is 100ZG free?

100ZG is free to download, with in-app purchases available.

### Do SUNNY or 100ZG have ads?

100ZG shows ads; SUNNY does not.

### Which is updated more often, SUNNY or 100ZG?

SUNNY ships an update every 2 months, and 100ZG every 3 weeks. Most recently, SUNNY was updated on October 1, 2026 and 100ZG on October 10, 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.*