16 Personalities Test vs Stillkeep
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
16 Personalities Test
Discover your personality type with a comprehensive cognitive function test. This app provides detailed insights into your type, tendencies, and compatibility, featuring original illustrations and the ability to share your results. Take additional assessments for deeper self-understanding.
- 96-question cognitive function test
- 16 personality type combinations
- Personality type keywords and tendencies
- Compatibility insights
- Original illustrations for types
- Shareable results
- Additional personality assessments
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- Based on the Sakinorva cognitive function test with 96 questions, this is the most accurate personality test compared to any MBTI test as of 2025. - Clearly displays your personality type using all 16 combinations of I/E, S/N, T/F, and P/J. - Discover your personality type, type keywords, tendencies, and best compatibility through the most accurate personality assessment of 2026. - Uses Redev’s original illustrations representing the 16 personality types. - Easily share your results with others. - Take additional personality assessments for deeper insights. - Check your personality type and 8 key personality traits quickly and accurately — no login required.
Stillkeep
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Stillkeep is a calm personal inventory app for tracking the things you own and the things you are thinking about buying. Record item names, photos, categories, prices, purchase dates, notes, and favorite ratings. Keep a wishlist for future purchases, give impulses time to cool down, and review your habits with simple stats for item count, category distribution, holding cost, and daily cost. Stillkeep is designed for people who want to organize their belongings, reduce impulse purchases, and build a clearer relationship with everyday objects.
Screenshots
Verdict
The clearest difference is price: 16 Personalities Test at Free against Stillkeep's $0.99. 16 Personalities Test also leads on update cadence (every 4 days vs every 8 days) and iOS requirement (15.0 vs 17.0). On ads, in-app purchases 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
16 Personalities Test is free to download; Stillkeep costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
16 Personalities Test ships an update every 4 days, Stillkeep every 8 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.
| Parameter | 16 Personalities Test | Stillkeep |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.7 (1.3K ratings) — better | — |
| Positive reviews | 64.1% of reviews | — |
| Number of ratings | 1.3K — better | — |
| Update frequency | Every 4 days — better | Every 8 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 17 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Redev Inc. | 楠 刘 |
Bugs and requests
16 Personalities Test
Reported bugs
2 issues- Questions make no sense
- Switching between pronouns is confusing
Requested features
2 requests- Add language selection option
- Provide more detailed results and explanations
Stillkeep
Not enough reviews yet to summarise bugs or requests.
In-app purchases
16 Personalities Test
No in-app purchases
Stillkeep
No in-app purchases
Questions
Is 16 Personalities Test free?
Is Stillkeep free?
Do 16 Personalities Test or Stillkeep have ads?
Which is updated more often, 16 Personalities Test or Stillkeep?
Other comparisons
