Touchless Countdown vs Mumu Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Touchless Countdown
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Countdown without touching *This app uses the proximity sensor located next to the front camera. The proximity sensor detects when your hand is close to the front camera, allowing you to operate the app without touching it. 1. Tap the button for the time (seconds) you want to count down. 2. Hold your hand near the front camera to start the countdown.
Mumu Calculator
This app allows you to edit past calculations, making it easy to correct mistakes or continue complex math problems. It offers features like adding notes, tracking subtotals, and saving archives for organized financial management and everyday use.
- Edit past calculations with precise cursor placement
- Add notes to calculation groups
- Track subtotals
- Save and reopen calculation archives
- Restore deleted records
- Copy selected records
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Mumu Calculator helps you continue calculations instead of starting over. Tap any past calculation to bring it back into the editor, place the cursor exactly where you want, and keep calculating. Add notes, track subtotals, save archives, restore deleted records, and keep long calculations organized for shopping, budgeting, and everyday math. Key Features • Tap any history entry to restore it to the editor • Edit expressions with precise cursor placement • Add notes to calculation groups • Track subtotals for longer calculation sessions • Save and reopen archives anytime • Restore deleted records from Recycle Bin • Copy selected records • Optional key click sounds • Voice Readout available with Pro Great for • shopping totals • household budgets • expense calculations • receipt math • daily calculations that need revision Pro Features • History Sorting • Batch Delete • Voice Readout • Ongoing feature updates
Screenshots
Verdict
The clearest difference is in-app purchases: Touchless Countdown at none against Mumu Calculator's 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. Mumu Calculator sells 1 one-off in-app purchase. Touchless Countdown asks for nothing beyond the download.
Touchless Countdown ships an update fortnightly, Mumu Calculator every 3 weeks. The most recent releases landed on October 27, 2026 and October 14, 2026 respectively.
| Parameter | Touchless Countdown | Mumu Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.8.3 — better | 16.0 |
| Further details — not scored | ||
| Size | 36 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Hideaki Uchikoshi | 楠 李 |
In-app purchases
Touchless Countdown
No in-app purchases
Mumu Calculator
- Lifetime Pro$2.99
Questions
Is Touchless Countdown free?
Is Mumu Calculator free?
Do Touchless Countdown or Mumu Calculator have ads?
Which is updated more often, Touchless Countdown or Mumu Calculator?
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