String Tension Calc vs Bytebye
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
String Tension Calc
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Unlock the perfect tone and playability with precise string tension calculations. Whether you are a luthier, technician, or player, this app helps you optimize your guitar setup instantly. The intuitive String Tension Dashboard displays real-time data for all six strings. Simply input your scale length, string gauge, and tuning to see exact tension in pounds. Avoid breakage and improve intonation with data-driven precision. Designed for speed and accuracy, this tool supports standard and alternate tunings. Get the perfect feel for your instrument today. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Bytebye
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Your photo library fills up quietly. The same picture saved three times. A burst of forty near-identical shots. Screenshots you needed once. Blurry photos you never got around to deleting. Bytebye finds them and shows you exactly how much space you would get back โ before you pay anything. WHAT IT FINDS โข Exact duplicates โ the same photo saved more than once โข Similar photos โ burst shots and near-identical takes โข Screenshots โ the receipts and maps you already used โข Blurry photos โ out-of-focus and shaky shots โข Large videos โ anything over 100 MB, biggest first ONE PHOTO ALWAYS STAYS In every duplicate or similar group Bytebye keeps the best shot: the highest resolution, and the oldest one when resolutions match. That photo cannot be selected for deletion. You can hand the role to another shot whenever you disagree. NOTHING LEAVES YOUR PHONE There is no server, no account and no upload. Every scan runs on your device. Deleted items go to Recently Deleted, where your phone keeps them for 30 days. HONEST PRICING The scan is always free โ you see the full result and the exact figure before deciding anything. No weekly plan. No hidden trial charges. Pay once, or pay yearly. SUBSCRIPTION AND TERMS The yearly Bytebye Premium subscription renews automatically every year unless you cancel at least 24 hours before the period ends. You can manage or cancel it in your App Store account settings at any time. The one-time purchase is not a subscription and nothing renews. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://bytebye.app/privacy
Screenshots
Verdict
The clearest difference is ads: String Tension Calc at none against Bytebye's shown. Bytebye's advantage is update cadence (every 5 days vs every 3 weeks) and device support (3 vs 1). On price and in-app purchases there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. String Tension Calc sells 4 in-app purchases, starting at $2.99 per 7 days and Bytebye sells 2 in-app purchases, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.
String Tension Calc ships an update every 3 weeks, Bytebye every 5 days. The most recent releases landed on September 28, 2026 and October 3, 2026 respectively.
| Parameter | String Tension Calc | Bytebye |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 5 days โ better |
| Ads | No โ better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPad, iPod โ better |
| Requires iOS | 17.0 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 44 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | Vasilii Polovnikov | Ahmet Karaca |
In-app purchases
String Tension Calc
- Premium$2.997 Days
- Premium$3.991 Month
- Premium$5.991 Year
- Lifetime$7.99
Bytebye
- Bytebye Premium Yearly$9.991 Year
- Bytebye Premium Lifetime$19.99







