Timer99 vs VoiceCards
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Timer99
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Timer app that can measure 1 to 999 minutes easily and quickly with only 3 taps. This timer does not have a start button. Just tap the number you want to measure and the timer countdown will start. For example ... -To measure 120 minutes, just press 1,2,0. -To measure 45 minutes, just press 4,5. -Just press 8 to measure 8 minutes.
VoiceCards
Transform notes, photos, and PDFs into interactive flashcards for effective exam preparation. Utilize AI for card creation and grading, with options to speak answers or listen to content on the go. Focus on challenging material and sync across devices.
- Create flashcards from notes, photos, PDFs, and spreadsheets
- AI-powered card generation and answer grading
- Speak answers with speech recognition
- Listen mode with customizable audio playback
- Focus on difficult or bookmarked cards
- Sync decks across devices via Google Drive
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Cramming for an exam or test? Turn your notes, photos, and PDFs into flashcards, then quiz yourself out loud or listen on the go. VoiceCards has two study modes. Speak mode captures your spoken answer and checks it against the card. Listen mode reads the question and answer aloud and moves through the deck without requiring taps. START WITH YOUR OWN MATERIAL • Enter questions and answers yourself • Create cards with AI from a topic or pasted text • Attach up to 10 photos or a PDF • Import CSV and Excel files • Import a shared Google Sheet • Copy a ready-made template SPEAK OR LISTEN Use your device's speech recognition for a standard answer check. Optional AI grading can evaluate longer answers by meaning and suggest a clearer response. In Listen mode, choose separate voices and speeds for the question and answer. Change the wait before the answer, shuffle the deck, or review only bookmarked cards. Screen-off playback works while you have credits or an active listening period from a credit pack. FOCUS ON HARD CARDS Mark answers right or wrong and bookmark anything you want to revisit. Focus order puts cards you have practiced less or missed more often near the front. You can also create a smaller Focus deck from hard and bookmarked cards. START WITHOUT AN ACCOUNT You can begin without signing in. Free users can keep a limited number of decks. Decks created without signing in are saved on this device. Connect Google when you want to back up decks to Google Drive, edit them in Google Sheets, or continue on another device. VoiceCards only requests access to files it creates or that you select. CREDITS Credits create premium audio, generate cards with AI, and run AI grading. Replaying premium audio already created does not use more credits. After you buy a pack, saved premium audio keeps its original quality at zero credits. Some packs also include a listening period for screen-off playback. VoiceCards works for language practice, exams, certifications, interviews, definitions, formulas, and any other material you can write as a question and answer.
Screenshots
Verdict
The clearest difference is in-app purchases: Timer99 at none against VoiceCards's 4. Timer99 also leads on iOS requirement (13.0 vs 15.1). On price, update cadence, ads 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
Both are free to download. VoiceCards sells 4 one-off in-app purchases. Timer99 asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on October 27, 2026 and November 5, 2026 respectively.
| Parameter | Timer99 | VoiceCards |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 2 days | Every 2 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 8 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Takahashi Naoto | Willow Investments Inc. |
In-app purchases
Timer99
No in-app purchases
VoiceCards
- 100 Credits$0.99
- 1000 Credits$9.99
- 5,500 Credits$49.99
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- 12,000 Credits$99.99









