Works on your iPad again now.

- Subscription restore fixed.
- Minor bug fixes.
- Performance improvements.

- Minor bug fixes.
- Performance improvements.

- Fixed an error that caused the test timer to run too fast.
- Fixed an error with the simulated test 4 and 5.
- Minor improvements.

Minor error fixes and improvements.

Minor error fix.

Fixed a minor error in the Math Study Guide.

Minor bug fixes and performance optimizations.

Fixed a bug that caused the "Online Account Missing" prompt to stick on the screen.

- Fixed a rare error with the test timer.
- Other minor improvements and fixes.

Fixed an error with the Vocabulary Trainer.

Minor bug fixes