半角カナ入力 vs SubmitPic
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
半角カナ入力
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全角カタカナを半角カタカナに変換できる、もっともシンプルなアプリです。 - ひらがなも半角カタカナに変換できる - 起動時に自動ペーストできる - iPadに対応している
SubmitPic
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SubmitPic quickly resizes photos of documents, ID photos, and application forms down to a size that's easy to submit. Built for the 2 MB limits on web forms, email attachments, and paperwork like school applications or insurance claims — no fiddling with settings required. ■ Who it's for - Anyone who has hit a file-size limit on an online application - People who photograph documents or ID photos on their phone and need to submit them right away - Anyone tired of manually shrinking photos every time ■ Key features Built-in presets Pick a preset like "Submission (Auto ≤2 MB)" and it automatically hits your target size while preserving quality. Compress right from the Share Sheet (NEW) Select "SubmitPic" from the share menu in Photos and other apps to compress and save instantly, without opening the app. JPEG, HEIC, and PNG output (NEW) Choose the format that matches what your destination requires. Before / After comparison (NEW) Compare the original and converted photo side by side with a slider, along with size and reduction percentage. Percentage resize Skip the presets and scale down anywhere from 10% to 100%. My Presets Save your favorite settings and reuse them in one tap. Batch processing Convert multiple photos at once, and optionally bundle them into a single ZIP file. Save to Photos or Files Save converted photos directly to your Photo Library, or send them to other apps via Files. Automatic location removal Location metadata is stripped during conversion for your privacy. ■ Built with peace of mind - No account or sign-in required - Everything happens on your device — no network connection needed - No ads Whether you're submitting paperwork, uploading an ID photo, or preparing photos for a marketplace listing, SubmitPic gets them to just the right size.
Screenshots
Verdict
The clearest difference is price: 半角カナ入力 at Free against SubmitPic's $1.99. 半角カナ入力 also leads on iOS requirement (14.0 vs 16.6). SubmitPic's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
半角カナ入力 is free to download; SubmitPic costs $1.99 up front. 半角カナ入力 sells 1 one-off in-app purchase. SubmitPic asks for nothing beyond the download.
半角カナ入力 ships an update every 9 months, SubmitPic every 4 months. The most recent releases landed on October 12, 2026 and September 21, 2026 respectively.
| Parameter | 半角カナ入力 | SubmitPic |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 76.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 9 months | Every 4 months — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 23 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | GREENSTUDIO | Ryo Sato |
In-app purchases
半角カナ入力
- 半角かな入力の広告非表示$0.99
SubmitPic
No in-app purchases









