New Chessnut vs Peptide Library
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
New Chessnut
Connect your electronic chessboard to a redesigned mobile interface for enhanced gameplay. Experience improved features and a streamlined user experience for all your chess matches.
- Connect electronic chessboards
- Redesigned UI
- Enhanced gameplay features
- iOS compatibility
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The new version of the Chessnut app for iOS. The redesigned UI and features allow you to connect your Chessnut electronic chessboard (Air/Air+/Pro/Go, etc.) for gameplay.
Peptide Library
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Peptide Library helps you track your peptide Cycle and research peptides and compounds in one place. Track your Cycle See what's scheduled today, record completed items, check your week, and use the calendar to look ahead or review what you've tracked. Build your Stack Add the compounds you're tracking, organize your schedule, set reminders, and keep your current Cycle in one place. Follow your progress Set goals, add measurements, and follow changes over time. Track weight and other measurable goals, along with check-ins for sleep, recovery, skin, and energy. Research peptides & compounds Explore an editorial library covering peptides and related compounds, with research context, safety information, administration information where supported, and source-backed references. Made for personal tracking Your Stack, amounts, schedules, goals, and measurements are entered by you. Peptide Library does not recommend compounds, combinations, dosages, or treatment protocols. Peptide Library is intended for educational and personal tracking purposes. It is not medical advice and is not a substitute for advice, diagnosis, or treatment from a qualified healthcare professional.
Screenshots
Verdict
The clearest difference is update cadence: Peptide Library at every 5 days against New Chessnut's monthly. New Chessnut's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 18.0). On price, ads and in-app purchases 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.
New Chessnut ships an update monthly, Peptide Library every 5 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.
| Parameter | New Chessnut | Peptide Library |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (45 ratings) — better | — |
| Positive reviews | 44.7% of reviews | — |
| Number of ratings | 45 — better | — |
| Update frequency | Monthly | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 527 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Xenx Technology Limited | Jay Park |
In-app purchases
New Chessnut
No in-app purchases
Peptide Library
No in-app purchases









