# Format Conversion格式转换 vs SubMaker

The clearest difference is update cadence: SubMaker at every 5 days against Format Conversion格式转换's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Format Conversion格式转换 sells 4 in-app purchases, starting at $1.99 per 7 days and SubMaker sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Format Conversion格式转换 ships an update every 5 months, SubMaker every 5 days. The most recent releases landed on September 30, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Format Conversion格式转换 | SubMaker |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 29 MB | 625 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [彦 唐](https://appshunter.io/developer/1438972298) | [瑞华 张](https://appshunter.io/developer/1608130007) |

## What reviewers say

### Format Conversion格式转换

[App page](https://appshunter.io/ios/app/format-conversion/id6744088667)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Weekly Subscription | $1.99 | per 7 days |
| PRO Monthly Subscription | $3.99 | per month |
| PRO Yearly Subscription | $14.99 | per year |
| Permanent PRO | $24.99 | one-time |


### SubMaker

[App page](https://appshunter.io/ios/app/submaker-ai-captions-offline/id6772058875)

This AI-powered tool offers offline transcription, summarization, and translation for audio and video. It provides instant meeting summaries, lecture transcriptions, and SRT captions with a focus on privacy and speed. Export notes in TXT or SRT formats.

**Highlights:** AI Smart Summary, Offline & Private Mode, Built-in Voice Recorder, Auto-Translate to English, Dual Export Options (.srt, .txt), Warp Speed Cloud Engine (PRO)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pass | $4.99 | per month |
| Lifetime Pro | $29.99 | one-time |


## Frequently asked questions

### Is Format Conversion格式转换 free?

Format Conversion格式转换 is free to download, with in-app purchases available.

### Is SubMaker free?

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

### Do Format Conversion格式转换 or SubMaker have ads?

Neither Format Conversion格式转换 nor SubMaker shows ads.

### Which is updated more often, Format Conversion格式转换 or SubMaker?

Format Conversion格式转换 ships an update every 5 months, and SubMaker every 5 days. Most recently, Format Conversion格式转换 was updated on September 30, 2026 and SubMaker on September 28, 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.*