Niki Diary vs AboutNumbers
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Niki Diary
This app helps individuals with communication difficulties express their daily activities and plans through images, videos, text, and speech. It also serves as a memory aid, allowing users to review past events. Multiple user profiles can be created for different environments.
- Image, video, text, and speech communication
- Memory support for past events
- Multiple user profiles
- Supports various disabilities
- Enhances autonomy and participation
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Niki Diary was developed for children, teen-agers and adults with disabilities that experience difficulties in explaining what they have done or what they plan to do. Niki Diary enables them to tell people around them what they did or what they plan to do a certain day using images, videos, text and speech. The application can also be used as a memory support to that one can watch or listen what one has done earlier. One may choose to let each user have several profiles, for example "At home", "At school", "At work" or create different users with their own profile. Especially this helps people with communication difficulties and behavior problems to increase their levels of autonomy and participation. It can be very helpful for subjects with autism, mental retardation, behavior disorders, language disorders, pervasive developmental disorder, aphasia, attention deficit disorder, dyslexia, emotional disturbances, learning disabilities, brain trauma.
AboutNumbers
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AboutNumbers is an early math application aimed at dealing with counting, sets, numbers and calculating in the number domain up to 10. An important feature throughout the entire applications is the structured representation of sets (2 lines and 5 columns) to facilitate non-counting strategies of recognizing sets, the understanding of the relation among numbers and the notion of numbers in general. AboutNumbers for iPad is available in 2 versions: - AboutNumbers: Only a limited number of exercises can be used. An In-App Purchase is required to use all exercises. - AboutNumbers PRO: All exercises can be used without limitation. The application is designed for pre-school and elementary school children with or without impairments, for people with math deficiencies, as well as young people and adults with learning disabilities. The application contains a wide number of increasingly complex exercises. Each exercise is aimed to further a specific skill (e.g. counting or calculating). Completed exercises are recorded by the application to document the learning progress. To enable the use of this application with several people, a user manager is offered. Individual settings and results will be saved and can be loaded quickly. The exercises can be operated by alternative input devices such as external switches or eye tracking. Objectives: Practice counting and calculating in the number domain up to 10 Train non-counting strategies of recognizing sets Areas of application: Early Intervention Children and adults with learning disabilities Dyscalculia
Verdict
The clearest difference is price: AboutNumbers at Free against Niki Diary's $8.99. AboutNumbers also leads on iOS requirement (12.0 vs 15.0). Niki Diary's advantage is in-app purchases (none vs 1) and update cadence (every 4 months vs every 11 months). On 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
AboutNumbers is free to download; Niki Diary costs $8.99 up front. AboutNumbers sells 1 one-off in-app purchase. Niki Diary asks for nothing beyond the download.
Niki Diary ships an update every 4 months, AboutNumbers every 11 months. The most recent releases landed on October 23, 2026 and October 10, 2026 respectively.
| Parameter | Niki Diary | AboutNumbers |
|---|---|---|
| Price | $8.99 | Free — better |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 months — better | Every 11 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPad | iPad |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 32 MB | 103 MB |
| Age rating | 4+ | 4+ |
| Developer | Alessandro La Rocca | IntegraTools GmbH |
In-app purchases
Niki Diary
No in-app purchases
AboutNumbers
- All exercises$44.99









