I tried this app, and it does its job quite well. It saves photos quickly, while preserving the pixel quality of the photo.
It also saves directly to your camera roll, and the app itself is quick to download.
You don’t need to open a special account, no strings attached here.
Unfortunately, it has a coin system, and you only have free 5 coins (1 coin per download).
Once you run out, you have to pay for more coins. Despite this, there are still ads everywhere.
Also, it only allows you to download the first photo in a bundle, but not the rest. Considering that fact that many photos on Instagram are in bundles, you can’t download all pictures on Instagram with this app.
But yes, it works, this app definitely has its uses.
If your intention is simply to quickly save a few photos from Instagram, or if you’re willing to pay money for this, I would recommend this app.
But if you want to save more photos (including bundles), or you are not willing to pay, I would not recommend this app at all.
For most intensive purposes, there are much better apps for Instagram repost than this app.
However, this app is good still.