UBio vs Chat Export Viewer
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
UBio
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Chat Export Viewer
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Chat Export Viewer opens WhatsApp exported chats on your phone β privately, offline, and without uploading anything to the cloud. SAVE SPACE, SKIP THE CLOUD BILL Cloud backups fill up fast, and extra storage gets expensive. Import a WhatsApp export, then keep it as a compact ZIP or TXT on your device. Bundle every chat into one space-saving ZIP β already-compressed chats stay nested without wasteful re-packing, so you avoid duplicate bulk. Same history, much smaller footprint β no monthly cloud plan required. IMPORT YOUR EXPORT β’ Open .zip or .txt files from a WhatsApp export β’ Import a multi-chat ZIP (or the appβs all-chats backup) in one go β’ Re-import updates existing chats when there are new messages β skips duplicates READ LIKE A CHAT β’ Familiar bubbles, timestamps, and date separators β’ Search, filters, and jump to a date β’ Photos, videos, audio, and PDF previews β’ Reply quotes and photo captions in the same bubble ORGANIZE & SHARE β’ Media and documents gallery β’ Multi-select to copy or share messages and attachments β’ Export one chat as compressed ZIP or lightweight TXT; PDF export with Premium β’ Export all chats as a single re-importable ZIP backup PRIVATE BY DESIGN β’ No account required β’ Your chats stay on your device β’ Interface in 23 languages Premium unlocks PDF export and an ad-free experience. Chat Export Viewer is an independent app and is not affiliated with WhatsApp or Meta. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://github.com/KennyHacrt/chat-export-viewer-privacy/blob/master/PRIVACY_POLICY.md
Screenshots
Verdict
The clearest difference is in-app purchases: UBio at none against Chat Export Viewer's 3. Chat Export Viewer's advantage is update cadence (weekly vs every 21 months) and device support. On price and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Chat Export Viewer sells 3 in-app purchases, starting at $1.99 per month. UBio asks for nothing beyond the download.
UBio ships an update every 21 months, Chat Export Viewer weekly. The most recent releases landed on November 12, 2026 and November 13, 2026 respectively.
| Parameter | UBio | Chat Export Viewer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 21 months | Weekly β better |
| Ads | β | Yes |
| In-app purchases | No β better | Yes |
| Devices | β | iPhone, iPad, iPod β better |
| Requires iOS | 15.6 | 15.0 β better |
| Further details β not scored | ||
| Size | 40 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | UNION biometrics Co., Ltd. | Ming Hin Lee |
In-app purchases
UBio
No in-app purchases
Chat Export Viewer
- Premium Monthly$1.991 Month
- Premium Annual$8.991 Year
- Premium Lifetime$14.99









