Forge Sharpening Log vs KnifeKeep
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Forge Sharpening Log
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Forge is a focused sharpening log for cooks, bushcrafters, and tool nerds who actually use their knives. Track every knife in your block, every stone on your bench, and every session at the bench. Forge stays out of your way so you can pay attention to the edge, not the screen. KEY FEATURES β’ Knife drawer β store every blade with steel type, bevel angle, and a color tag so the list reads at a glance β’ Stone bench β keep every whetstone, including grit, brand, and base material (synthetic, natural, diamond) β’ Sharpening sessions β start a timer, log grit phases as you progress through coarse, medium, and finishing stones β’ Live timer β monospaced ember readout while the session runs, so you can glance from across the bench β’ Phase log β record minutes spent on each stone with notes and a five-star result rating β’ History β every session is preserved with knife, phases used, notes, and date so you can spot what works β’ Dark, gunmetal interface designed to read in low light at the bench DESIGNED FOR THE BENCH Forge is built for the way real sharpening sessions go β pick a knife, run a sequence of stones, finish, take notes. No accounts, no upsells, no popups. PRIVACY No tracking. No accounts. Your knives, stones, and sessions live on your device.
KnifeKeep
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Keep your knives at their sharpest. "When did I last sharpen this?" "I pulled it out and it had rusted." Your knives deserve better β let KnifeKeep look after their sharpening and rust care. β Sharpening timing by steel Stainless, carbon steel, Damascus, ceramic β each holds an edge differently. KnifeKeep estimates the sharpening timing and gently reminds you as it approaches. β Spot the ones about to rust Carbon steel and Damascus rust when left unused or wet. From the last day used, see "Cared for" or "May rust" β a nudge to wipe it or add oil. β Your collection, in photos Photograph each knife and the subject is cut out automatically. Your personal collection lined up beautifully. β Three-stage sharpening reminders Ahead of time (2 weeks, a few days) β on the day β and gently every day after until it's done. A dull edge is unsafe β never miss it. β Tips for cooks From sharpening angle and whetstone grit to no-dishwasher and choosing a cutting board β 24 tips and a mascot make care more fun. β Widget support See knives due for sharpening and their status at a glance on your Home Screen. [Free] β’ Register up to 3 knives β’ Sharpening reminders [Premium] β’ Unlimited knives β’ Group by storage β’ Care log (type, whetstone, notes) β’ No ads One-time $20 or $1.49/week (no free trial). Subscriptions auto-renew and are billed to your Apple ID unless canceled at least 24 hours before the period ends. Cancel anytime in Settings. Sharpening cycles are general guides based on the steel. Adjust to how often you use it and your preference. β LINKS β’ Support: https://tsuzukit.com/contact/ β’ Terms of Service: https://tsuzukit.com/legal/terms-of-service.html β’ Privacy Policy: https://tsuzukit.com/legal/privacy-policy.html
Screenshots
Verdict
The clearest difference is in-app purchases: Forge Sharpening Log at none against KnifeKeep's 2. Forge Sharpening Log also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. KnifeKeep sells 2 in-app purchases, starting at $0.99 per 7 days. Forge Sharpening Log asks for nothing beyond the download.
| Parameter | Forge Sharpening Log | KnifeKeep |
|---|---|---|
| Price | Free | Free |
| Ads | No β better | Yes |
| In-app purchases | No β better | Yes |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details β not scored | ||
| Size | 1 MB | 7 MB |
| Age rating | 4+ | 17+ |
| Developer | Linh Phan Nhat Khanh | Ryo Tsudukihashi |
In-app purchases
Forge Sharpening Log
No in-app purchases
KnifeKeep
- Premium (Weekly)$0.997 Days
- Premium (Lifetime)$19.99





