Comparison

Mnemo Major System Trainer vs Cerebri

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Mnemo Major System Trainer

Learn and master the Major System, a powerful mnemonic technique for remembering numbers. This app offers an integrated training program with visual aids and statistics to help you create and optimize your personalized number-to-image encoding system.

Highlights
  • Personalized Major System creation
  • Integrated training program
  • Reaction time analysis
  • Number sequence to image generator
  • Pre-installed Major System (0-99)
  • Customizable terms and images
  • CSV Import/Export
Features
Read full description

The Major System is an effective method for encoding numbers into images. Using this mnemonic technique, remembering a sequence of numbers is highly improved compared to simple memorization. (Synonyms: Major System, Master System, Digit Code according to Aimée Paris, Phonetic System, conversione fonetica etc.).  The Mnemo Major System Trainer allows you to create a personalised Major System for the mnemonics Major System. With the help of the integrated training programme - the trainer - the Major System can be quickly learned and further optimised. For this purpose, a traffic light system of reaction times to queried terms is used, which effectively exposes sub-optimally selected images and allows rapid optimisation in the development of one's own Major System. A summary overview of the reaction times - here called statistics - additionally supports this process. In addition to the master system, trainer and statistics, the generator was added as a further component, which enables the translation of arbitrarily long numerical sequences into the images of the major system. To further facilitate the process of creating your own major system, a ready-made major system for the number range 00 - 99 has been integrated. In addition, a list of alternative terms that satisfy the rules of the major system was added to each term. Attention: The selected images are to be understood as examples and logically cannot be the optimal memory image for everyone. (In ancient times, for example, teachers of mnemonics refrained from giving their students ready-made mnemonic systems. The students were supposed to develop their own systems. Even then, it was known that one's own associations facilitate memorisation). Features: INTUITIVELY DESIGNED LEARNING PROGRAM • Multiple training possibilities • Question mode for images or numbers • Training with major system terms instead of pictures • Free selection of the number range to be learned with optional restrictions to specific reaction time ranges, questions answered incorrectly or not yet processed terms • Training level indicator PREINSTALLED MAJOR SYSTEM • Major System Terms and selected images for the numbers 0 – 99 and 00 – 09 • Major System Terms for the numbers 000 – 999 • Freely customizable • Comprehensive collection of alternative Major System Terms • Choice of alternative images (camera, photo album, integrated web search for images) • Color codes for response times in the main view of the Major System • Cards view (comfortable learning like using file cards) • Optional extension to the three-digit major system (the trainer and the generator automatically use the chosen system: 2 or 3 digits) • Build optional major systems (in addition to the German, English and Italian Major System three custom major systems can be build) • CSV Import and Export • Import and export (incl. pictures) in Mnemo file format GENERATOR • Major System encoding for any numerical sequence • Possibility of adding notes • Saves any number of encodings • Settings (hide the notes field, hide the pictures, one or multiple terms per line) • Supports the Person – Action – Object (PAO) System (uses the optional master systems Custom 1, 2 and 3 alternately) Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://glab-apps.com/privacy.html

About

Cerebri

Features
Read full description

Cerebri turns any study material into flashcards in seconds, using Apple Intelligence right on your device. No cloud AI, no account, and nothing you import is ever sent to us. Every PDF, photo of notes and class recording is processed on-device. CAPTURE ANYTHING Import a PDF or Word doc, snap a photo of handwritten notes, or drop in a lecture recording. Audio and video are transcribed and turned into a flashcard deck automatically, all on-device. STUDY SMARTER WITH SPACED REPETITION The proven SM-2 algorithm schedules each card just before you'd forget it, and per-deck mastery shows what you've learned. Miss a card and it comes back later in the same session. AN AI TUTOR WITH NO USAGE CAP Miss a card? Get a clear 2–3 sentence explanation instantly. Want to go deeper? Chat with a tutor that knows your entire deck: unlimited questions, on-device, no per-query fees. BRING YOUR DECKS Import from Anki (.apkg and .colpkg), Quizlet exports, CSV or plain text. Group decks into folders and find any deck with search. Export to CSV, tab-separated text or a printable PDF study sheet. PRIVATE BY DESIGN There is no Cerebri server. Your decks stay on your device, and iCloud sync, if you keep it on, stores them in your own private iCloud. Cerebri works offline. ONE PAYMENT. YOURS FOREVER. One purchase unlocks everything, permanently. No subscription, no per-scan fees, no AI usage limits. Free: manual card creation, unlimited decks, card-flip study, PDF and Word flashcard creation, the tutor explanation after a wrong answer, folders, imports, exports and iCloud sync. Premium (one-time purchase): SM-2 spaced repetition with per-deck mastery, flashcards from photos, audio and video, and the unlimited AI tutor chat. AI features require a device with Apple Intelligence.

Screenshots

Mnemo Major System Trainer4 screens
Cerebri4 screens

Verdict

The call

The clearest difference is price: Cerebri at Free against Mnemo Major System Trainer's $12.99. Cerebri also leads on update cadence (every 3 weeks vs every 2 months). Mnemo Major System Trainer's advantage is in-app purchases (none vs 1) and iOS requirement (15.0 vs 26.0). 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

CostPrice · In-app purchases · Ads · Monetization

Cerebri is free to download; Mnemo Major System Trainer costs $12.99 up front. Cerebri sells 1 one-off in-app purchase. Mnemo Major System Trainer asks for nothing beyond the download.

UpkeepUpdate frequency

Mnemo Major System Trainer ships an update every 2 months, Cerebri every 3 weeks. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
Mnemo Major System Trainer versus Cerebri: the parameters behind the verdict, then further details
ParameterMnemo Major System TrainerCerebri
Price$12.99Free — better
Rating4.4 (18 ratings) — better—
Positive reviews88.1% of reviews—
Number of ratings18 — better—
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better26.0
Further details — not scored
Size54 MB2 MB
Age rating4+4+
DeveloperGerald ReindlFarid Yannick Senouvo

In-app purchases

None

Mnemo Major System Trainer

No in-app purchases

1 purchases

Cerebri

One-time1
  • Cerebri Premium$4.99

Questions

Is Mnemo Major System Trainer free?
Mnemo Major System Trainer costs $12.99, with no in-app purchases.
Is Cerebri free?
Cerebri is free to download, with in-app purchases available.
Do Mnemo Major System Trainer or Cerebri have ads?
Neither Mnemo Major System Trainer nor Cerebri shows ads.
Which is updated more often, Mnemo Major System Trainer or Cerebri?
Mnemo Major System Trainer ships an update every 2 months, and Cerebri every 3 weeks. Most recently, Mnemo Major System Trainer was updated on November 1, 2026 and Cerebri on October 25, 2026.

Other comparisons