Meridian 157 vs Sumloom
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Meridian 157
Embark on the thrilling conclusion of an island mystery. Explore ancient caverns and advanced labs to uncover a sinister project and prevent a global disaster. Solve challenging puzzles and unravel unsettling secrets in this epic adventure.
- Final and longest chapter
- Unique and challenging puzzles
- Immersive graphics
- Custom ambient soundtrack
- Two-tier hint system
- Available in 9 languages
- Color blind mode
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You have ventured this far, now there is no turning back. Uncover the island’s dark history by travelling through crumbling caverns and mysterious laboratories, but be warned, some may not be too welcoming of your presence… The epic conclusion to the Meridian 157 series has arrived! Follow Dr. Zander into the heart of the facility to discover the sinister purpose behind the FLARE project, and to avert the impending disaster brought on by its conception. With the most unique puzzles of the series, Meridian 157: Chapter 3 takes you to the source of the anomaly through a thrilling journey of mind-bending enigmas, perilous exploration and unsettling secrets of the island’s previous inhabitants. Follow Dr. Zander as he is pushed to his wits-end in this final adventure. Features: • The final and longest chapter in the Meridian 157 storyline! • The most unique and challenging puzzles to date • Immersive graphics • Custom ambient soundtrack • A logical two tier hint system • Available in 9 different languages • Color blind mode
Sumloom
A compact number puzzle game where you swipe through tiles to match sums and complete orders. Create loops to double your rewards and enjoy endless levels with streak bonuses. Play offline with no ads or registration required.
- One-finger swipe controls
- Three orders available simultaneously
- Small even numbers for simple calculations
- Endless levels and streak bonuses
- Double rewards for closed loops
- Boosts: Refresh, Swap, Undo
- Daily challenges
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Sumloom — компактная головоломка о числах, цепочках и петлях. Выберите один из трёх коротких заказов и проведите пальцем через соседние плитки с числами 2, 4, 6 и 8. Соберите точную сумму, чтобы выполнить заказ. Замкните линию в петлю, захватите клетки внутри и удвойте награду. Обычная игра не ограничена партиями: каждые 10 заказов начинается новый уровень. Выполняйте заказы подряд, увеличивайте множитель серии и улучшайте рекорд столько, сколько захотите. В игре есть: • понятное управление одним пальцем; • три доступных заказа одновременно; • небольшие чётные числа без сложных вычислений; • бесконечные уровни и бонусы за серии; • удвоенная награда за замкнутые петли; • бусты «Обновить», «Обмен» и «Отмена»; • интерактивное обучение прямо на игровом поле; • ежедневное испытание, одинаковое для выбранной даты; • локальные достижения, статистика и цветовые темы; • звук, вибрация и настраиваемая интенсивность эффектов; • автоматическое сохранение бесконечной игры; • полноценная работа без регистрации, рекламы и интернета. Играйте короткими сессиями или улучшайте рекорд столько, сколько захотите. Все игровые данные остаются на вашем iPhone.
Screenshots
Verdict
The clearest difference is price: Sumloom at Free against Meridian 157's $3.99. Sumloom also leads on update cadence (every 2 days vs every 5 months). Meridian 157's advantage is ratings volume (3.2K vs 1) and chart position (#73 vs unranked). On rating, review sentiment, ads and in-app purchases 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
Sumloom is free to download; Meridian 157 costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.9 for Meridian 157 against 5.0 for Sumloom. That said, the two scores are not equally well evidenced: Meridian 157 has 3.2K ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 96% of Meridian 157's written reviews are positive against 100% of Sumloom's.
Meridian 157 ships an update every 5 months, Sumloom every 2 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | Meridian 157 | Sumloom |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 4.9 (3.2K ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 96.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 3.2K — better | 1 |
| Update frequency | Every 5 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Best chart rank | #73 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 750 MB | 3 MB |
| Age rating | 12+ | 4+ |
| Developer | NovaSoft Interactive Ltd | LLC VIZIRION |
Customer experience
Meridian 157
Sumloom
Bugs and requests
Meridian 157
Reported bugs
2 issues- Stacked boxes puzzle in Chapter 3 unplayable on iOS devices
- Occasional freezing or crashes reported
Requested features
3 requests- Option to turn off the Bunsen burner in the chemistry lab
- More varied puzzles and less repetition
- Ability to change difficulty settings mid-game
Sumloom
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Meridian 157
No in-app purchases
Sumloom
No in-app purchases
