Hi AJ, Merry Christmas!
I've been meaning to do a write up on Mpengo myself, but haven't gotten around to it yet. I've been using it in the field about a week now and am loving it. It allows you to attach pictures of completed work, existing pre-flooded laundry rooms, previous damage etc. I've been using it for authorization for work sign off before ordering parts and it allows you to categorize the work order as 'waiting on parts' and the job just stays open in your queue until you close it out.
MPengo service tells me that there are some 'very nice changes' coming with a soon to be released update. I'm pumped to see what they are. As Aggieland said - $20 is a steal for that app. Love it.
Other apps I use are:
StockControl ($10) which allows for me to enter in my on hand parts, take pictures of them, notes, set inventory thresholds to remind me to reorder at a certain level, etc. I've just recently gotten this one, but I can already tell it's going to be a lifesaver.
Kashoo ($50/year) for my accounting software and can I just say Love Love Love. I don't have an ultra strong grasp of accounting in general, but this program makes it simple enough. It imports all your transactions from your bank so you can periodically reconcile your bank statement. Also, it allows you to snap a picture of the receipt so you can tie that to the transaction. I basically just throw all my receipts in a folder to never be thought about again, but they're there in case of audit or an EMP attack.
Square Up for my payments which is....eh. It does the job, but the notes feature are lacking and it's tough to match up transactions with a bank statement later if you don't take special note of the transaction number. That would be about my only complaint. It's fairly good for the most part.
90% of what I do is on my iPad. I use the Mpengo & Square while in the customer's home & the inventory & Kashoo once I'm in the vehicle. It takes an extra 2-3 minutes after your call to get the paperwork done, but then you're done.
Also, for check payments - I typically use Chase picture deposit and hardly ever need to go to the bank.
I used to keep a running excel sheet of customer info that I'd fill in at the end if the day, but that is about to die off completely. The only thing I still need to find a way to track is for sending out thank you/review cards. I'm thinking Mpengo may have a way.
Let me know if you have any questions.