Call Recording & Analysis App Development

I need a cross-platform app (iOS & Android) that can record both incoming and outgoing calls, with a focus on analyzing employee performance and customer feedback.

Key Features:
- Handle both incoming and outgoing call recordings
- Analyze various aspects of employee performance: call duration, response time, and conversation quality
- Evaluate customer feedback through call analysis
- Text message analysis
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Ideal Skills:
- Cross-platform app development
- Expertise in call recording technology
- Experience in developing apps with analytics features
- Knowledge in text message analysis capabilities

Main requirement
1) This app will be for Android and iOS operating systems.
2) Recording of incoming and outgoing calls on the SIM card as well as call analysis is to be stored on the server. Along with this, records of text messages are also to be stored.
3) Sound quality of call recording, must work properly on all Android and iOS phones.
4) There should be no announcement of call recording.
5) All rules must be followed for call recording on Google and Android as well as IOS.
6) This app is for custom use, not for updating on the Play Store.

We need an honest and experienced developer, who can complete this project within the stipulated time.