Free iPhone ring sizer app: measure a ring on screen, measure finger width, convert US, UK, EU, JP and letter sizes, and save sizes in seconds.
5.84k+ downloads · 4.8 stars
Updated iPhone interface
The updated app keeps ring measurement, finger measurement, conversion, and saved sizes cleanly connected.
Measure a ring, measure a finger, convert standards, and save sizes without visiting a jeweler.
Ring Measurement
Place a ring on the circle and adjust the guide until the inner edge matches.
Saved Sizes
Keep important ring sizes ready for yourself, family, partners, and gift planning.
Global Size Standards
Convert between US, UK, EU, Japan, Australia, India, and millimeter measurements.
Finger Width Mode
No ring? Measure your finger directly across the on-screen bar and fine-tune the millimeter value.
Offline & Private
Works fully offline. Your data never leaves your device. Zero tracking.
Instant Results
Your size appears immediately in all major standards — US, UK, EU, and more.
Engagement Ready
Planning a surprise proposal? Secretly measure a ring while they're away.
Size History
Track how your ring size changes over time with measurement history.
Clean iPhone UI
Large controls, clear rulers, and focused sheets make each sizing task easy to follow.
A. Battery 2 is discontinued and uses an older authorization system incompatible with the current Native Access (NA2). You would need the older "Service Center" tool.
If you are looking to download and run Battery 2 today, you face several modern compatibility challenges. This comprehensive guide covers the history of Battery 2, legal download options, compatibility workarounds, and modern alternatives. The Legacy of Battery 2
Perfect your sound. * Version 1.4.11. * Mac OS: 65 MB. * Windows: 29 MB. * System requirements. Native Instruments Komplete 15 Standard - Native Instruments Native Instruments Battery 2 Download
Battery 2 expanded significantly on the original version. It introduced a matrix interface that made cell-by-cell sample triggering intuitive and highly visual.
It is rare, but sometimes available through older, unused licenses (second-hand market). However, authorization for older NI software can be complex due to the transition from the old authorization tools to Native Access. If you are looking to download and run
Battery 2 expanded drastically on the original version by introducing a 72-cell matrix (arranged in 6 rows of 12 cells). Each cell could host individual drum samples with independent tuning, filtering, compression, and modulation routing. Key features included:
Native Instruments no longer sells or provides direct download installers for Battery 2. It has been discontinued for over a decade. * Version 1
Battery 2 was released as a 32-bit VST and AU plugin. Modern Digital Audio Workstations (DAWs) like Logic Pro X, Ableton Live 11/12, and Cubase 13 have completely dropped support for 32-bit plugins. To load it, you would need a 32-bit to 64-bit bridge software like JBridge, though stability is not guaranteed. How to Access the Battery 2 Sample Library
Native Instruments officially ended support for its older "Service Center" activation tool on May 31, 2020. This change means that even if you have the original installer, the software can no longer be reactivated or reinstalled on new computers. Official Alternatives and Solutions
Do you already own a for Battery 2?
No jeweler visit. No guesswork. Just your phone.
Choose a Mode
Measure an existing ring on the circle, or switch to finger width mode when no ring is available.
Align the Guide
Use the ruler, slider, and plus/minus controls to match the ring or finger width precisely.
Save or Convert
See the measurement instantly, save it for later, or convert it between international standards.
Buy jewelry anywhere in the world with confidence.
US
& Canada
UK
& Australia
EU
Europe
JP
Japan
IN
India
mm
Diameter
Ring Sizer works entirely offline. Your measurements never leave your device. We don't collect, share, or sell any of your data. Ever.
"Used this app to measure ring size. It's accurate and it's really helpful."
Pradep12 · App Store Review
A. Battery 2 is discontinued and uses an older authorization system incompatible with the current Native Access (NA2). You would need the older "Service Center" tool.
If you are looking to download and run Battery 2 today, you face several modern compatibility challenges. This comprehensive guide covers the history of Battery 2, legal download options, compatibility workarounds, and modern alternatives. The Legacy of Battery 2
Perfect your sound. * Version 1.4.11. * Mac OS: 65 MB. * Windows: 29 MB. * System requirements. Native Instruments Komplete 15 Standard - Native Instruments
Battery 2 expanded significantly on the original version. It introduced a matrix interface that made cell-by-cell sample triggering intuitive and highly visual.
It is rare, but sometimes available through older, unused licenses (second-hand market). However, authorization for older NI software can be complex due to the transition from the old authorization tools to Native Access.
Battery 2 expanded drastically on the original version by introducing a 72-cell matrix (arranged in 6 rows of 12 cells). Each cell could host individual drum samples with independent tuning, filtering, compression, and modulation routing. Key features included:
Native Instruments no longer sells or provides direct download installers for Battery 2. It has been discontinued for over a decade.
Battery 2 was released as a 32-bit VST and AU plugin. Modern Digital Audio Workstations (DAWs) like Logic Pro X, Ableton Live 11/12, and Cubase 13 have completely dropped support for 32-bit plugins. To load it, you would need a 32-bit to 64-bit bridge software like JBridge, though stability is not guaranteed. How to Access the Battery 2 Sample Library
Native Instruments officially ended support for its older "Service Center" activation tool on May 31, 2020. This change means that even if you have the original installer, the software can no longer be reactivated or reinstalled on new computers. Official Alternatives and Solutions
Do you already own a for Battery 2?
Guides, tools, and charts to help you find the perfect fit.
Ring Size Chart
Complete conversion chart for US, UK, EU, Japan, and Australian ring sizes with diameter in mm.
How to Measure Ring Size at Home
5 free methods to find your ring size without visiting a jeweler — app, string, paper strip, and more.
Ring Size Calculator
Enter your ring diameter or circumference to instantly find your size in every international standard.
UK Ring Sizes (A–Z)
British letter-based sizing guide with full chart, Hatton Garden tips, and UK to US conversion.
Men's Ring Size Guide
Average men's ring sizes, measurement tips, and a complete chart for wedding bands and signet rings.
Secret Engagement Ring Sizing
How to find your partner's ring size without them knowing — clever tips for surprise proposals.
Free to download. Works on iPhone. No tools needed.
