Diffchecker vs UltraCompare
Diffchecker
diffchecker.comUltraCompare
ultraedit.comSide by side
| Figure | Diffchecker | UltraCompare |
|---|---|---|
| Price from | $15/mo | $8.33/mo |
| Free plan | Yes | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | — |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | Yes | Yes |
| iOS | Yes | — |
| API | Yes | — |
| Plans published | 8 | 4 |
| Spec score · File Comparison Software | 9.2 (#1) | 8.3 (#7) |
| Spec score · Document Comparison Software | 9.3 (#1) | 8.3 (#9) |
| Spec score · Diff and Merge Tools | 9.2 (#2) | 8.3 (#9) |
| Integrations | Published integrations include Git, Microsoft Word and iManage Work; Enterprise also supports SAML identity providers and SCIM provisioning. | It integrates as a diff and merge tool for Git and also supports Subversion and CVS. |
| Intended users | The site describes use cases for developers and engineers, writers and editors, and data and operations teams. | The maker lists developers and engineers, IT and system administrators, QA and technical writers, and legal, compliance, and business teams as users. |
| Security | The site states that traffic between the browser and Diffchecker is encrypted with TLS and that its information security program is certified to ISO/IEC 27001. | The company says its products appeal to teams requiring high security capability. |
| Support | The pricing page lists priority support for Pro, Desktop, Legal, and Enterprise, with dedicated support channels and a service-level agreement for Enterprise. | The maker offers an AI assistant for feature, setup, workflow, or licensing help, support cases, FAQs, documentation, and a community run forum. |
| Trial | The Desktop product page advertises a 14-day trial with no credit card required. | The product page says a free, full-feature trial is available to download before purchase, but does not specify its duration. |
Plans
Diffchecker
- API BasicFree
- BasicFree
- Pro + Desktop$15 a month
- Diffchecker Legal$20 a month
- Enterprise$40 a month
- API Standard$99 a month
- API Business$299 a month
- API EnterprisePriced on request
UltraCompare
- UltraEdit Core Subscription$99.95 a year
- UltraEdit Enterprise Subscription$119.95 a year
- UltraEdit Core Perpetual$179.95, paid once
- UltraEdit Enterprise Perpetual$249.95, paid once
In their own words
Diffchecker
Diffchecker compares text, code, and data in a browser or offline with its desktop app, highlighting additions, removals, and edits. Text comparisons can use side-by-side or unified views, adjustable precision, custom ignore rules, syntax highlighting, real-time editing, and change merging. Listed comparison options also include documents, images, spreadsheets, and folders, with features such as OCR, redlines, formula detection, and batch comparison. Basic is free, but some tools have monthly use limits: unified view and real-time editing each allow five tries, while character-level differences and merge changes each allow ten. Pro + Desktop costs $15 a month per user and includes offline comparisons with desktop apps for Windows, Mac, and Linux. Legal costs $20 a month per user and adds iManage integration and comparison-setting profiles. Enterprise costs $40 a month per user with annual billing, and includes SAML SSO, SCIM provisioning, and dedicated support. Browser comparisons stay in the browser unless saved and shared; Desktop comparisons run locally. The site states browser traffic is TLS-encrypted and its security program is ISO/IEC 27001 certified.
UltraCompare
UltraCompare compares and merges files, folders, and documents, including Word, Excel, and PDF. It can show two or three files side by side and lets users merge differences visually. Folder tools compare, merge, and synchronize directory structures, with rule-based automation available. For spreadsheets and other tabular data, it can compare and merge cells, rows, or columns, including across multiple Excel sheets. UltraCompare works as a diff and merge tool with Git, Subversion, and CVS. It can compare remote files over FTP or SFTP and by URL, and folders over FTP and network shares. ZIP, RAR, and JAR contents can be compared without extraction. Additional tools include highlighting for characters, words, or lines; options to ignore whitespace or case; editable comparisons; saved sessions; and HTML or text reports. The maker lists Windows, macOS, and Linux, while a fully functional Windows trial includes all features for 30 days. There is no free plan. Subscriptions start at $99.95 a year for Core or $119.95 a year for Enterprise; perpetual options cost 179.95 USD or 249.95 USD once.