Firefly III vs Tiller
as AI assistants see them, week of 2026-09-14
Firefly III and Tiller both stay niche in AI answers, but Tiller comes out ahead. Firefly III scores 7 overall (ChatGPT 3, Claude 10, Perplexity 8) and is named in just 6 of 64 answers, mostly for open-source or self-hosted budgeting questions, where it landed in 3 of 3 answers. Tiller scores 13 overall (ChatGPT 5, Claude 32, Perplexity 5) and shows up in 13 of 64 answers, swept 3 of 3 for spreadsheet-based budgeting apps. Head-to-head, Tiller was named more often in 11 questions, Firefly III in 3, with 6 ties.
Head to head
| metric | Firefly III | Tiller |
|---|---|---|
| score | 7 | 13 |
| questions won | 3 | 11 |
By assistant
Firefly III
| assistant | score | named in, this week | usual spot, this week |
|---|---|---|---|
| ChatGPT | 3 | 5% of answers | #4.0 |
| Claude | 10 | 15% of answers | #4.3 |
| Gemini | not sampled this week | ||
| Perplexity | 8 | 10% of answers | #2.5 |
Tiller
| assistant | score | named in, this week | usual spot, this week |
|---|---|---|---|
| ChatGPT | 5 | 5% of answers | #1.0 |
| Claude | 32 | 55% of answers | #5.9 |
| Gemini | not sampled this week | ||
| Perplexity | 5 | 5% of answers | #1.0 |
Where they differ
Only Firefly III gets named for
- What's the best open-source or self-hosted budgeting app?
- What's the best budgeting app for privacy that doesn't sell my data?
- What's the best budgeting app that works outside the US?
Only Tiller gets named for
- What's the best budgeting app that works with a spreadsheet?
- What's the best budgeting app for couples sharing finances?
- What's the best app to track net worth and investments alongside a budget?
- What's the best personal finance app to see all my accounts in one place?
- Which budgeting app is best now that Mint has shut down?
- What's the best envelope or zero-based budgeting app?
- What's the best budgeting app for people with irregular income?
- What's the best budgeting app in 2026?
- Which budgeting app is worth paying for?
- What's the best budgeting app for a freelancer or self-employed person?
- What are the best budgeting apps?
More comparisons
- Firefly III vs Honeydue
- Firefly III vs GnuCash
- Firefly III vs Lunch Money
- Firefly III vs PocketGuard
- PocketGuard vs Tiller
- EveryDollar vs Tiller
Not sold on either?
Scores count how often each assistant names a product, weighted by position. How the score works · Full Budgeting apps leaderboard