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Twin Convert icon

Twin Convert

Two-sided unit converter
Shalom Zohar Cohen · Utilities
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App info

Developer
Shalom Zohar Cohen
Category
Utilities, Finance
Released
Sep 29, 2026
Version
1.1 (Oct 11, 2026)
Price
Free
Size
0.5 MB
Requires
iOS 17.0
Age rating
4+
Languages
English

In-app purchases

Unlock Twin Convert$6.99
Current prices, App Store US.
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About Twin Convert

Twin Convert is a two-sided converter. Change one value and the other updates immediately. Convert currency, length, mass, volume, and temperature. On a large iPhone display the two fields sit side by side. On a smaller display they stack on one screen, with a swap control between them. On iPhone Duo the fields sit on either side of the fold when the phone is open, and stack when it is closed. Currency uses a cached rate table and can refresh from the network. Conversion itself is free. Unlock once for unlimited favorite pairs and a 90-day currency chart (free includes 4 favorites and a 30-day chart). No account. No ads. Events stay on the device.
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