Thread Stash vs EFKey
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Thread Stash
Manage your sewing thread collection effortlessly. Scan labels to add threads to your inventory and automatically create shopping lists for your projects.
- Scan thread labels for automatic entry
- Manage thread inventory
- Generate project shopping lists
- Track project thread requirements
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Thread Stash is a thread inventory management app that allows you to scan thread labels to automatically add them to your inventory. Automatically generate shopping lists by entering project thread requirements.
EFKey
This keyboard app offers a native iOS experience with advanced gesture controls for faster typing. It features a familiar layout, offline prediction, and robust privacy measures, ensuring your data stays on your device.
- Gesture-based typing
- Hold key for symbols
- Swipe to delete words
- Trackpad cursor control
- On-device prediction
- 18 language support
- Private and offline operation
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EFKey types like the keyboard you already use. It has the parts that one is missing. Typing runs on your phone, in 90 languages, and stays free. GESTURES INSTEAD OF PAGES Hold any key and its second character comes up. @ # % € sit in the corner of every key, so the numbers page stays where it is. Flick left on the delete key and it erases whole words. Hold the spacebar and the keyboard turns into a trackpad. Slide, and the cursor lands where you meant it. Glide over the letters and the word types itself, accents and apostrophes included. Pick another word once and the next identical swipe follows your pick. Double-space ends the sentence. 84 LANGUAGES, TWO AT A TIME Turn on two languages and write in both in one sentence: dakujem becomes ďakujem while dont gets its apostrophe. Nothing to switch. 26 languages are fully verified. 62 more are in beta: they work, a native speaker just hasn't checked them yet. The app itself speaks 26 languages. QWERTY, QWERTZ, AZERTY, Dvorak, Colemak. A number row that adds a row instead of shrinking your keys. CORRECTION THAT READS THE SENTENCE Autocorrect looks at up to three words of context. "i said hat" becomes "that"; "red hat" stays as it is. It fixes a word with three mistakes in it and leaves alone the one that was already right. Type germany or iphone and get Germany and iPhone. Names from your contacts show up in suggestions and in swipe. No contacts permission needed. Prediction learns how you write. Give it a few days. Fix a word once and press backspace: it never touches that word again. THE TOOLS. EFKEY PRO. Clipboard history with your own categories, pinning and search. Translator. Type in one language, insert the other, without leaving the keyboard. Dictation. Speak and it types, translated if you want, with a Live Activity in the Dynamic Island. AI edits. Rewrite, fix the grammar, change the tone. Or swipe down from the spacebar and the whole field gets rewritten. GIF search, a calculator that answers in the suggestion bar, text shortcuts, My info autofill, one-handed mode, typing stats. Shortcuts on the keys: hold C to copy, H for clipboard history, D for dictation. Remappable. Your own colours and saved themes, key press animations, more swipe trail effects. iCloud sync of learned words and settings. One purchase. No subscription. Seven days free when you start the trial yourself, no card and no account. Typing stays free either way. Translation, dictation and AI edits run on-device where iOS supports it. Or bring your own API key (Anthropic, Gemini, OpenAI, Groq, OpenRouter). It stays in your Keychain, and your text goes only to the provider you picked. MADE TO FEEL RIGHT Native down to the pixel, light and dark, and it follows the appearance of the app you are in. Multi-touch that keeps up at full speed. No dropped keys. Emoji with search, skin tones and suggestions as you type. Settings you can search. Type a word and it takes you to the switch. PRIVATE BY DESIGN No keystroke logging. No analytics or tracking SDKs. No server of ours anywhere. Typing, prediction and autocorrect work offline. iOS never lets a custom keyboard into a password field, and when a password is shown in plain text, EFKey stops correcting and learns nothing from it. The only things that leave your phone are the ones you switch on yourself: GIF search, your own AI key, iCloud sync (learned words end-to-end encrypted, settings through your private iCloud). efkey.app/privacy says what, where and when. Full Access is optional. The keyboard types at full strength without it. Only the tools that reach outside the keyboard need it. Your learned and blocked words export and import anytime. LIGHT ON STORAGE Every language except English downloads when you enable it. Nothing you don't type in sits in your phone. Set it up in a minute. Questions? dev@eef.sk · efkey.app
Screenshots
Verdict
The clearest difference is review sentiment: EFKey at 95% against Thread Stash's 50%. EFKey also leads on rating (4.8 vs 3.3) and update cadence (every 9 days vs monthly). Thread Stash's advantage is in-app purchases (none vs 6) and device support (3 vs 1). On price, ads and monetization model 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. EFKey sells 6 one-off in-app purchases. Thread Stash asks for nothing beyond the download.
EFKey holds the better App Store score, 4.8 against 3.3. That said, the two scores are not equally well evidenced: EFKey has 48 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 50% of Thread Stash's written reviews are positive against 95% of EFKey's.
Thread Stash ships an update monthly, EFKey every 9 days. Both last shipped on October 31, 2026.
| Parameter | Thread Stash | EFKey |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (6 ratings) | 4.8 (48 ratings) — better |
| Positive reviews | 50.0% of reviews | 95.2% of reviews — better |
| Number of ratings | 6 | 48 — better |
| Update frequency | Monthly | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.5 — better | 17.0 |
| Further details — not scored | ||
| Size | 64 MB | 103 MB |
| Age rating | 4+ | 4+ |
| Developer | VICTORIA VASEY JOY-WARREN | Peter Feranc |
Customer experience
Thread Stash
EFKey
In-app purchases
Thread Stash
No in-app purchases
EFKey
- Small tip$1.99
- Nice tip$3.99
- EFKey Pro — Early Bird$5.99
Show 3 moreShow fewer
- Big tip$8.99
- EFKey Pro$14.99
- Huge tip$17.99









