ChatNPU vs TidyType
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ChatNPU
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ChatNPU Keyboard rewrites your text instantly in the style you choose. Select an identity, tap once, and you are offered a new version powered by on-device AI. Built for privacy, your typed and rewritten text stays on device. ChatNPU is available on supported devices with the required on-device AI capabilities.
TidyType
This smart keyboard automatically corrects grammar, spelling, and phrasing as you type. It also offers instant translation between English, Korean, and Spanish, with adjustable formality levels. Use it across all your apps to refine your messages and emails.
- Grammar, spelling, and phrasing correction
- English, Korean, and Spanish translation
- Adjustable output formality
- Works in any app
- Highlight specific text for editing
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TidyType is a smart keyboard that fixes typos and translates your text right where you type — with a single tap. Whether you're smoothing out a text message, tightening up an email, or writing to a Korean friend in casual 반말, TidyType edits your draft in place. Type the way you usually do, then tap Tidy. WHAT IT DOES • Fixes grammar, spelling, and phrasing • Translates between English, Korean, and Spanish • Formality control for output (auto, casual / 반말, or formal / 존댓말) • Works wherever you type — messages, email, notes, social media • Highlight specific text to Tidy just that part BUILT FOR • Non-native speakers writing in English or another language • Anyone messaging friends or family across a language gap • Fast typers who don't want to slow down to fix mistakes Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://tidytype.a19labs.com/privacy.html
Screenshots
Verdict
The clearest difference is update cadence: ChatNPU at every 8 days against TidyType's every 3 weeks. On price, ads, in-app purchases and 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ChatNPU ships an update every 8 days, TidyType every 3 weeks. Both last shipped on October 31, 2026.
| Parameter | ChatNPU | TidyType |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (5 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Every 8 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 3 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | RBN SPC LTD | 0923Labs LLC |
In-app purchases
ChatNPU
No in-app purchases
TidyType
No in-app purchases









