TL;DR
I tested 8 data recovery software tools across 160 measured sessions (5 runs × 4 scenarios × 8 tools), measuring recovery rate, MD5 file integrity, scan duration, and RAM usage. R-Studio achieves the highest precision (91.3% avg recovery, 95.5% integrity). EaseUS Data Recovery Wizard tops 3 of 4 scenarios for consumer cases. TestDisk + PhotoRec free combo covers 85% of common cases at zero cost.
Raw CSV + DOI on Zenodo: 10.5281/zenodo.20507434. Full methodology + per-scenario tables: Save My Disk.
The tools tested
| Software | Version | License | Free tier |
|---|---|---|---|
| EaseUS Data Recovery Wizard | 17.2 | $89.95/yr | 2 GB |
| Recuva (Piriform) | 1.53 | Free / $24.95 Pro | Unlimited |
| Disk Drill | 5.4 | $89 perpetual | 500 MB |
| Stellar Data Recovery | 11.5 | $79.99/yr | 1 GB |
| R-Studio | 9.4 | $79.99 perpetual | Preview only |
| TestDisk | 7.2 | GPL | Full |
| PhotoRec | 7.2 | GPL | Full |
| Wondershare Recoverit | 12.5 | $79.95/yr | 100 MB |
The four scenarios
| ID | Loss scenario | Method |
|---|---|---|
| A | Shift+Delete removal |
Remove-Item -Force on 100 random files (SSD, TRIM disabled) |
| B | NTFS quick format | format X: /fs:NTFS /q /y |
| C | exFAT full format |
format X: /fs:exFAT /y (no /q) |
| D | Partition deleted |
diskpart → clean
|
Each scenario was run 5 times per tool. Disks were restored from forensic dd clones between runs. Source files were MD5-hashed before deletion. Recovery results were scored double-blind — I didn't know which tool I was scoring until compilation, to mitigate the affiliate bias.
(Save My Disk earns a commission on EaseUS sales via Commission Junction. The methodological response is: publish all raw measurements so anyone can verify.)
Headline aggregated results
| Tool | Avg recovery | Avg integrity | Note |
|---|---|---|---|
| R-Studio | 91.3% | 95.5% | Highest precision, pro-tier UI |
| EaseUS Data Recovery Wizard | 90.5% | 91.3% | Best consumer-grade overall |
| Disk Drill | 85.8% | 87.8% | Mid-tier |
| Stellar Data Recovery | 86.0% | 87.3% | Mid-tier |
| PhotoRec | 81.5% | 83.0% | Best free signature-based |
| Wondershare Recoverit | 78.8% | 82.5% | Underwhelms vs marketing |
| TestDisk | 70.3% | 89.0% | Best for partition recovery only |
| Recuva | 66.8% | 78.8% | Aged poorly, still OK for simple cases |
The most surprising finding
Recuva's collapse on harder scenarios. On scenario A (simple deletion), Recuva recovers 84% — fine. On scenario C (full format), it crashes to 41%. The aging of the codebase since Piriform's CCleaner acquisition shows.
TestDisk's specialization. On scenario D (partition deleted), TestDisk hits 96% recovery — second-best after R-Studio's 97%. For partition-only cases, the free TestDisk is essentially tied with the most expensive paid tool tested.
What the data doesn't cover
Four documented limitations:
- SSDs with TRIM enabled were NOT tested in this iteration. TRIM wipes blocks immediately on deletion, dropping recovery to 0-15% across all tools. A dedicated TRIM study is planned for Q3 2026.
- Physically failing HDDs (clicking, dead sectors) are out of scope — that's a clean-room recovery service case, not a consumer software case.
- macOS-only and Linux-only were excluded from this iteration. macOS study planned 2026-09.
- Sample size of 100 files per run introduces statistical noise. Five runs reduce variance but the ±3% confidence interval applies.
Why this kind of study exists
The "best data recovery software 2026" Google SERP is mostly affiliate-driven content that ranks the highest-commission tool first. EaseUS happens to be high in our results — but it also happens to be our affiliate partner. The methodological response is to make the ranking falsifiable.
If you reproduce the protocol with the same disks + same software versions, you should get within ±3% of these numbers. If you don't, file an issue on the GitHub repo.
Raw data download
- Zenodo DOI (permanent academic citation): 10.5281/zenodo.20507434
- CSV with per-cell measurements (8 software × 4 scenarios × 12 metrics): available in the Zenodo deposit
- Full methodology + per-scenario tables: save-my-disk.com
This post is the developer-focused condensed version. The original article includes complete per-scenario tables and a decision flowchart for matching tool to use case.
→ Full study: save-my-disk.com/en/blog/data-recovery-software-benchmark-2026
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