# WattTools

> WattTools (iPhone/iPad app by 源 张.)

- Source: https://appshunter.io/ios/app/watttools/id6476344694 (this page in markdown: same URL + `.md`)
- Developer: [源 张](https://appshunter.io/developer/1649775012)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 101 MB
- Languages: English, Japanese, Korean, Chinese, Chinese
- Released: 2024-03-05
- Data updated: 2026-03-26
- User reviews in markdown: https://appshunter.io/ios/app/watttools/id6476344694/reviews.md

## What is WattTools?

An audio, video, picture, GIF, document converter tool.

【Video】

1. Support MP4, AMV, AVI, MOV, MPG, M4V, MKV, WMV, FLV, MPEG, RM, VOB, TS, WEBM, ASF, 3GP, SWF, MXF, F4V, 3G2, OGV formats.
2. Support functions: format conversion, video audio extraction, video compression, video cropping, video merging, video speed changing, volume adjustment, and video noise reduction.

【Audio】

1. Support MP3, WAV, FLAC, M4A, AAC, OGG, AC3, AMR, OPUS, AIFF, MP2, GSM, DTS, AU, CAF, OGA, W64, VOC, SPX, IRCAM, WMA formats.
2. Support functions: format conversion, audio compression, audio cropping, audio merging, audio speed changing, volume adjustment, audio noise reduction, audio to text, text to audio.

【Image】

1. Support JPG, PNG, JPEG, WEBP, TGA, BMP, JP2, GIF, PXC, TIF, TIFF, PBM, PGM, EXR, PAM, PFM, RAS, SGI, SUN, XBM, XWD, YUV formats.
2. Support functions: format conversion, image compression, ID photo.

【GIF】

Support video to GIF.

【Document】

Supports converting images to PDF.


More features will be added in the future.

【WattTools automatic renewal VIP service statement】

1. After the purchase is confirmed, your iTunes account will be charged and the subscription will be automatically renewed unless automatic renewal is turned off at least 24 hours before the end of the current subscription. Your account will be charged for renewal within the last 24 hours prior to the end of the current subscription, and the cost of the renewal will be determined.

2. If you need to cancel your subscription, please manually open "Settings" on your Apple phone --> Enter "iTunes Store and App Store" --> Click "Apple ID", select "View Apple ID", enter the "Account Settings" page, and click "Subscribe", select WattToolsVIP to cancel the subscription


User Agreement：https://doc-hosting.flycricket.io/watttoolsterms/9af75cf3-424d-4c82-bc73-fc895bfd953a/terms
Privacy Policy：https://doc-hosting.flycricket.io/watttools/83c8178a-3717-4dd6-8181-376aaa46900d/privacy

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Weekly subscription | $0.99 | per 7 days |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 3Credits | $0.99 | one-time |



## Version history (last 4 releases)

### 1.0.3 — 2024-06-12

Fix known bugs.

### 1.0.2 — 2024-04-16

Fix known bugs.

### 1.0.1 — 2024-03-24

1. Add "audio to text", "text to audio", "ID photo" functions, and add ID photo beautification function.
2. Add local resource management.
3. Fixed bugs.

### 1.0 — 2024-03-06

No release notes.

## Apps similar to WattTools

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| --- | --- | --- | --- |
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| [JTsee](https://appshunter.io/ios/app/jtsee/id6746297708) | — | Free | Utilities |
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| [VideoXpert](https://appshunter.io/ios/app/videoxpert/id1565898859) | 5.0 (1) | Free | Utilities |

## More apps by 源 张

- [WattWidgets](https://appshunter.io/ios/app/wattwidgets/id6458647353)

All apps by 源 张: https://appshunter.io/developer/1649775012

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-03-26.*