Is IPad app Smallchess good for analyzing my games?

SmallChess does not use Stockfish engine, however on same site you find SmallFish app that: 1) uses Stockfish; 2) is free; 3) has excellent user interface. I use it on my iPhone and just love it.
Sometimes I do, but I prefer to analyze my own games on PC's large screen with software like Fritz or Aquarium. However if I can't use my PC then yes - I will use SmallFish on my iPhone. Try it - you will be amazed!
I mostly use SmallFish for training while commuting - playing tactical, strategical, endgame positions against Stockfish, then analysing where did I go wrong.

Hi, I'm the creator for both SmallChess and SmallFish.
SmallChess runs my own chess engine and have no resemble to the Stockfish engine. It has many features, like variation board and control panel that you can't see anywhere.
SmallFish is another app, which is independent. It runs the Stockfish engine, and is totally free.
My recommendation is: try both. SmallFish is stronger, but it doesn't have as many features as SmallChess.