gThumb comparisons
gThumb is compared head-to-head with XnView MP, FastStone Image Viewer and IrfanView and more: 7 head-to-heads in Photo Viewer Software, each with the specs and prices we checked.
gThumb head-to-head
- gThumb vs XnView MP
- gThumb vs FastStone Image Viewer
- gThumb vs IrfanView
- gThumb vs Geeqie
- gThumb vs Photo Mechanic
- gThumb vs Gwenview
- gThumb vs Loupe
gThumb vs each of them
| # | Tool | Free plan | Paid from | Supported platforms | RAW image support | Side-by-side compare | Contact sheets | Score |
|---|---|---|---|---|---|---|---|---|
| 6 | gThumb | Yes | Free | Linux | Yes | 8.5 | ||
| 1 | XnView MP | Yes | €3.90/unit one-time | Windows, macOS, Linux | Yes | Yes | Yes | 9.3 |
| 2 | FastStone Image Viewer | Yes | Windows | Yes | Yes | Yes | 9.1 | |
| 3 | IrfanView | Yes | $18/device one-time | 9.0 | ||||
| 4 | Geeqie | Yes | Free | Linux, macOS, Windows | Yes | Yes | Yes | 8.8 |
| 5 | Photo Mechanic | No | $149/yr | macOS, Windows | Yes | Yes | Yes | 8.7 |
| 7 | Gwenview | Yes | Free | Linux | Yes | 8.4 | ||
| 8 | Loupe | Yes | Free | linux | 8.2 |
Compare gThumb with any photo viewer
These are the matchups our editors wrote up. The compare tool pairs gThumb with any other product in Photo Viewer Software — and up to four at once — from the same checked specs.
Compare gThumb with any tool side by side →
Every photo viewer software head-to-head →
Our full gThumb verdict, pricing and fact sheet →
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Compared by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update