Matrix math calculator vs MIMI Private Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Matrix math calculator
Perform various matrix operations including addition, subtraction, and multiplication. Calculate the transposed matrix, adjoint, inverse, determinant, and rank. Supports matrices of any size (MxN).
- Matrix Addition
- Matrix Subtraction
- Matrix Multiplication
- Transposed Matrix
- Adjoint Matrix
- Inverse Matrix
- Determinant Calculation
- Rank Calculation
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A spectacular application in which you can do operations with matrices, such as Addition, Subtraction and Multiplication. In addition you can also find the Transposed matrix, Adjoint matrix, Inverse matrix, Determinant and Rank of a matrix. (MxN)
MIMI Private Timer
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MIMI Private Timer lets you play alerts through headphones for quiet, personal use. Use it for short breaks, commuting, focused work, study sessions, reminders, and private timing without disturbing people around you. Key features: Private audio alerts through headphones Simple timer setup Quiet, personal reminders Useful for work, travel, study, and daily routines Designed for situations where speaker-based playback is not appropriate This app is suitable for: commuters office workers students anyone who needs discreet personal alerts Note: A connected wired or Bluetooth headphone device may be required for the intended experience.
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Verdict
The clearest difference is in-app purchases: Matrix math calculator at none against MIMI Private Timer's 2. Matrix math calculator also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). MIMI Private Timer's advantage is update cadence (every 6 days vs every 3 months). On price and ads 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. MIMI Private Timer sells 2 one-off in-app purchases. Matrix math calculator asks for nothing beyond the download.
Matrix math calculator ships an update every 3 months, MIMI Private Timer every 6 days. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.
| Parameter | Matrix math calculator | MIMI Private Timer |
|---|---|---|
| Price | Free | Free |
| Rating | 1.5 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 52 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | camilo arcila | Ryoma Inoue |
In-app purchases
Matrix math calculator
No in-app purchases
MIMI Private Timer
- Remove Ads$0.99
- Buy me a coffee$2.99
Questions
Is Matrix math calculator free?
Is MIMI Private Timer free?
Do Matrix math calculator or MIMI Private Timer have ads?
Which is updated more often, Matrix math calculator or MIMI Private Timer?
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