older Apps

Others here will know more, but my guess would be that Jailbreaking ( if it's even possible ) would be your only possible way of achieving this. Apple pull older versions of apps from the store, so you won't find them there.

Someone should chip in with the JB option.

It is important to maintain BACKUPS of your favorite applications.

In fact, unrelated to iOS, you should be keeping backups of your system, regardless. The iPod touch (third generation) came out in 2009. You never made any backups since then?

Retrieve an old copy of the program from your backup that is compatible with your device. That is the only way Apple allows this to work. It's a terrible policy they have, but you have to deal with it if you wish to continue using Apple products.

If you failed to make a backup, there are two alternatives:
1: buy a newer iOS device.

2: jailbreak your device, install a piracy tool, then install a cracked copy of the app.

I wrote a new app store app to help people with earlier devices discover and install the many many many earlier iOS apps that are still available. This 99 cent app works on any iOS device.
Vintapps info/support:* https://www.facebook.com/VintApps313

For a web based method see,
https://sites.google.com/site/apple...e-and-articles/finding-apps-for-older-devices

Note that "VintApps" can not find earlier apps that are no longer available in the app store.