Comparison

Sayee vs SoloPDF

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Sayee

Features
Read full description

Sayee is an offline AI translation and live interpretation app for iPhone and iPad. It combines text translation, speech input, spoken output, and local AI models to help you understand and communicate across languages in travel, study, meetings, and everyday conversations. After downloading a model, core translation features can run directly on your device, reducing reliance on network connections and cloud services. Key features: Text translation: enter text and get translations quickly Speech input: capture spoken content with system speech recognition Live interpretation: useful for conversations, lectures, and multilingual settings Spoken output: listen to translated results with system voices On-device AI: run supported local models directly on your device Offline-first design: use core features after model setup, even with limited connectivity Sayee is designed for users who want a more private, flexible, and dependable translation experience.

About

SoloPDF

Features
Read full description

SoloPDF is a clean, fast, fully local PDF reader — no ads, no account, nothing ever uploaded. â€ĸ Reading: multiple tabs, outline, page thumbnails, full-text search, fit-width/fit-page zoom. Huge files open instantly thanks to on-demand loading. â€ĸ Highlights become notes: highlight any text and the annotation is saved as a Markdown notes file (.annotations.md) right next to the PDF — open, edit, and version it with any editor (including our SoloMD). solopdf:// links inside the notes jump straight back to the highlighted passage. â€ĸ Forms: fill AcroForm PDFs (text fields, checkboxes, dropdowns) and save the result. â€ĸ Export to Markdown: turn a whole PDF into a Markdown document, outline headings included. â€ĸ Dark mode with smart page inversion for comfortable night reading. â€ĸ Interface in English, įŽ€äŊ“中文, įšéĢ”ä¸­æ–‡, and æ—ĨæœŦčĒž. Everything runs on your device. No network calls, no data collection.

Screenshots

Sayee4 screens
SoloPDF4 screens

Verdict

The call

The clearest difference is update cadence: SoloPDF at every 2 weeks against Sayee's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ¡ Rating ¡ Positive reviews ¡ Number of ratings ¡ Update frequency ¡ Ads ¡ In-app purchases ¡ Monetization ¡ Best chart rank ¡ Devices ¡ Requires iOS

CostPrice ¡ In-app purchases ¡ Ads ¡ Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Sayee ships an update every 2 months, SoloPDF every 2 weeks. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

Scorecard1 real difference ¡ 5 level
Sayee versus SoloPDF: the parameters behind the verdict, then further details
ParameterSayeeSoloPDF
PriceFreeFree
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS15.015.0
Further details — not scored
Size8 MB16 MB
Age rating4+4+
DeveloperįŽĨ į†Šå‘ä¸œ 李

In-app purchases

None

Sayee

No in-app purchases

None

SoloPDF

No in-app purchases

Questions

Is Sayee free?
Sayee is free to download, with no in-app purchases.
Is SoloPDF free?
SoloPDF is free to download, with no in-app purchases.
Do Sayee or SoloPDF have ads?
Neither Sayee nor SoloPDF shows ads.
Which is updated more often, Sayee or SoloPDF?
Sayee ships an update every 2 months, and SoloPDF every 2 weeks. Most recently, Sayee was updated on October 7, 2026 and SoloPDF on October 10, 2026.

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