Missing Numbers Minds vs 1x1 Coach Voice
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Missing Numbers Minds
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Improve your mind skill finding out the missing number. Choose the up to 10 levels: Easy, Medium, Hard , ( linear, recurrence or both ) or Random. Push START- Time Up or Time Down Guess the missing numbers to get points. Higher Level , more points. Ideal for kinds and people who need to exercise their brain. Very easy to use. Donations for App maintenance welcome. Thanks.
1x1 Coach Voice
This educational app helps children master multiplication tables up to 20x20 using a Montessori-inspired approach. It offers customizable exercises and tracks progress, allowing for independent learning with tailored practice.
- Multiplication table up to 20x20
- Random or frequent task selection
- 12 exercise variants
- Progress tracking (total, correct, incorrect tasks)
- Montessori-inspired learning
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The idea behind this app is inspired by the learning materials of the Italian educator Maria Montessori. Maria Montessori recognized that children learn best independently when they are given the right tools. This second version of the app has been significantly expanded: You can now practice the full multiplication table up to 20 × 20. In addition, you can choose whether tasks are presented randomly or whether selected tasks appear more frequently (factor 3). The type of exercises can also be adjusted, with 12 different variants available. The app keeps track of: • the total number of tasks • correctly solved tasks • incorrectly solved tasks
Screenshots
Verdict
The clearest difference is in-app purchases: 1x1 Coach Voice at none against Missing Numbers Minds's 2. 1x1 Coach Voice also leads on update cadence (daily vs every 5 months). On price, ads, device support and iOS requirement 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. Missing Numbers Minds sells 2 one-off in-app purchases. 1x1 Coach Voice asks for nothing beyond the download.
Missing Numbers Minds ships an update every 5 months, 1x1 Coach Voice daily. The most recent releases landed on October 26, 2026 and October 23, 2026 respectively.
| Parameter | Missing Numbers Minds | 1x1 Coach Voice |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 months | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.1 | 26.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Juan Fullana | Helmut Krause |
In-app purchases
Missing Numbers Minds
- Donation for maintenance.$0.99
- Extra for develop and maintenance$0.99
1x1 Coach Voice
No in-app purchases
Questions
Is Missing Numbers Minds free?
Is 1x1 Coach Voice free?
Do Missing Numbers Minds or 1x1 Coach Voice have ads?
Which is updated more often, Missing Numbers Minds or 1x1 Coach Voice?
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